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Karaca I, Bromeo AJ, Mobasserian A, Akhavanrezayat A, DeBoer C, Thng ZX, Hung JH, Yoo WS, Khatri A, Yavari N, Nguyen BT, El Feky D, Yasar C, Elaraby O, Saengsirinavin AO, Zhang X, Anover FA, Gupta AS, Do DV, Or C, Nguyen QD. IgG4-related ophthalmic disease presenting as posterior scleritis in a pediatric patient. J Ophthalmic Inflamm Infect 2025; 15:34. [PMID: 40146480 PMCID: PMC11950618 DOI: 10.1186/s12348-025-00459-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2024] [Accepted: 01/24/2025] [Indexed: 03/28/2025] Open
Abstract
PURPOSE To report IgG4-related ophthalmic disease (IgG4-ROD) presenting as posterior scleritis in a pediatric patient. OBSERVATIONS A 7-year-old girl presented with proptosis, painful eyelid swelling, and restricted extraocular movements (EOM) of her left eye (OS). Visual acuity (VA) was 20/20 in right eye (OD) and counting fingers (CF) at 1 foot in OS. Slit lamp examination revealed 2 + anterior chamber (AC) cells, optic disc edema (ODE) with elevated appearance of macula in OS. Optical coherence tomography (OCT) showed significant subretinal fluid (SRF) in macula, B-scan ultrasound (US) demonstrated T-sign in OS. Orbital MRI was also consistent with posterior scleritis and periorbital inflammation. Extensive systemic work-up was unremarkable. Thus, the patient was started on intravenous methylprednisolone (IVMP) 30 mg/kg/day for 3 days, along with topical therapy in OS, which led to an improvement of proptosis, EOM restriction, AC cells, as well as ODE and SRF in macula in OS. Fluorescein angiography (FA) showed leakage from optic disc in OS. The patient was then switched to oral prednisone with slow tapering and started on methotrexate (MTX). Given the recurrence of proptosis and painful eyelid swelling on systemic steroid tapering, serum IgG4 levels were ordered and found to be elevated at 149.9 mg/dL (range, 1-99). Therefore, the patient was diagnosed as 'possible' IgG4-ROD (based on diagnostic criteria) and started on infliximab (7.5 mg/kg) and IVMP monthly infusions with continuation of MTX 20 mg weekly and slower tapering of oral prednisone, which led to resolution of clinical findings, improvement of VA to 20/20 in OS. CONCLUSION AND IMPORTANCE Posterior scleritis may be the initial presentation of IgG4-ROD in children. Refractory course is not uncommon. Biologics are effective in the long-term control of inflammation.
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Affiliation(s)
- Irmak Karaca
- Spencer Center for Vision Research, Byers Eye Institute, School of Medicine, Stanford University, 2370 Watson Court, Palo Alto, CA, USA
- Moran Eye Center, University of Utah, Salt Lake City, UT, USA
| | - Albert John Bromeo
- Spencer Center for Vision Research, Byers Eye Institute, School of Medicine, Stanford University, 2370 Watson Court, Palo Alto, CA, USA
- Asian Eye Institute, Makati, Philippines
| | - Azadeh Mobasserian
- Spencer Center for Vision Research, Byers Eye Institute, School of Medicine, Stanford University, 2370 Watson Court, Palo Alto, CA, USA
| | - Amir Akhavanrezayat
- Spencer Center for Vision Research, Byers Eye Institute, School of Medicine, Stanford University, 2370 Watson Court, Palo Alto, CA, USA
| | - Charles DeBoer
- Spencer Center for Vision Research, Byers Eye Institute, School of Medicine, Stanford University, 2370 Watson Court, Palo Alto, CA, USA
| | - Zheng Xian Thng
- Spencer Center for Vision Research, Byers Eye Institute, School of Medicine, Stanford University, 2370 Watson Court, Palo Alto, CA, USA
- National Healthcare Group Eye Institute, Tan Tock Seng Hospital, Singapore, Singapore
| | - Jia-Horung Hung
- Spencer Center for Vision Research, Byers Eye Institute, School of Medicine, Stanford University, 2370 Watson Court, Palo Alto, CA, USA
| | - Woong-Sun Yoo
- Spencer Center for Vision Research, Byers Eye Institute, School of Medicine, Stanford University, 2370 Watson Court, Palo Alto, CA, USA
| | - Anadi Khatri
- Spencer Center for Vision Research, Byers Eye Institute, School of Medicine, Stanford University, 2370 Watson Court, Palo Alto, CA, USA
- Birat Aankha Aspatal, Biratnagar, Nepal
| | - Negin Yavari
- Spencer Center for Vision Research, Byers Eye Institute, School of Medicine, Stanford University, 2370 Watson Court, Palo Alto, CA, USA
| | - Ba Trung Nguyen
- Spencer Center for Vision Research, Byers Eye Institute, School of Medicine, Stanford University, 2370 Watson Court, Palo Alto, CA, USA
| | - Dalia El Feky
- Spencer Center for Vision Research, Byers Eye Institute, School of Medicine, Stanford University, 2370 Watson Court, Palo Alto, CA, USA
| | - Cigdem Yasar
- Spencer Center for Vision Research, Byers Eye Institute, School of Medicine, Stanford University, 2370 Watson Court, Palo Alto, CA, USA
| | - Osama Elaraby
- Spencer Center for Vision Research, Byers Eye Institute, School of Medicine, Stanford University, 2370 Watson Court, Palo Alto, CA, USA
| | - Aim-On Saengsirinavin
- Spencer Center for Vision Research, Byers Eye Institute, School of Medicine, Stanford University, 2370 Watson Court, Palo Alto, CA, USA
| | - Xiaoyan Zhang
- Spencer Center for Vision Research, Byers Eye Institute, School of Medicine, Stanford University, 2370 Watson Court, Palo Alto, CA, USA
| | - Frances Andrea Anover
- Spencer Center for Vision Research, Byers Eye Institute, School of Medicine, Stanford University, 2370 Watson Court, Palo Alto, CA, USA
| | - Ankur Sudhir Gupta
- Spencer Center for Vision Research, Byers Eye Institute, School of Medicine, Stanford University, 2370 Watson Court, Palo Alto, CA, USA
| | - Diana V Do
- Spencer Center for Vision Research, Byers Eye Institute, School of Medicine, Stanford University, 2370 Watson Court, Palo Alto, CA, USA
| | - Christopher Or
- Spencer Center for Vision Research, Byers Eye Institute, School of Medicine, Stanford University, 2370 Watson Court, Palo Alto, CA, USA
| | - Quan Dong Nguyen
- Spencer Center for Vision Research, Byers Eye Institute, School of Medicine, Stanford University, 2370 Watson Court, Palo Alto, CA, USA.
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Shah M, Bajan K, Samant R. Navigating the labyrinth: Phenotypes of IgG4-related disease. J Postgrad Med 2025; 71:45-48. [PMID: 40085066 PMCID: PMC12011329 DOI: 10.4103/jpgm.jpgm_757_24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2024] [Revised: 01/08/2025] [Accepted: 01/20/2025] [Indexed: 03/16/2025] Open
Abstract
ABSTRACT We report a case of an elderly female with subacute submental neck swelling, dry cough, and a history of significant weight loss. Unexpectedly, a left submandibular chronic sialadenitis was noted on ultrasound of the neck, along with a thyroid nodule that, on biopsy, showed lymphocytic infiltration. High-resolution computed tomography of the lungs revealed multifocal irregular consolidations with lymphadenopathy, and possible infective causes, including tuberculosis, were ruled out after a thorough microbiological evaluation. It was only after a positron emission tomography-guided lung biopsy with specialized immunohistochemical staining was performed that the diagnosis of IgG4-related disease (IgG4-RD) was confirmed. Our patient exhibited overlapping features of head and neck-limited and Mikulicz/systemic phenotype of IgG4. In this case report, we highlight the clinical phenotypes of IgG4-RD, their respective differential diagnoses, and discuss our approach to this challenging case.
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Affiliation(s)
- M Shah
- Department of Internal Medicine, P. D. Hinduja Hospital and Medical Research Centre, Mumbai, Maharashtra, India
| | - K Bajan
- Department of Critical Care Medicine, P. D. Hinduja Hospital and Medical Research Centre, Mumbai, Maharashtra, India
| | - R Samant
- Department of Rheumatology, P. D. Hinduja Hospital and Medical Research Centre, Mumbai, Maharashtra, India
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Santamarina MG, Necochea Raffo JA, Lavagnino Contreras G, Recasens Thomas J, Volpacchio M. Predominantly multiple focal non-cystic renal lesions: an imaging approach. Abdom Radiol (NY) 2025; 50:224-260. [PMID: 38913137 DOI: 10.1007/s00261-024-04440-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2024] [Revised: 06/06/2024] [Accepted: 06/06/2024] [Indexed: 06/25/2024]
Abstract
Multiple non-cystic renal lesions are occasionally discovered during imaging for various reasons and poses a diagnostic challenge to the practicing radiologist. These lesions may appear as a primary or dominant imaging finding or may be an additional abnormality in the setting of multiorgan involvement. Awareness of the imaging appearance of the various entities presenting as renal lesions integrated with associated extrarenal imaging findings along with clinical information is crucial for a proper diagnostic approach and patient work-up. This review summarizes the most relevant causes of infectious, inflammatory, vascular, and neoplastic disorders presenting as predominantly multiple focal non-cystic lesions.
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Affiliation(s)
- Mario G Santamarina
- Radiology Department, Hospital Naval Almirante Nef, Subida Alesandri S/N., Viña del Mar, Provincia de Valparaíso, Chile.
- Radiology Department, Hospital Dr. Eduardo Pereira, Valparaiso, Chile.
| | - Javier A Necochea Raffo
- Radiology Department, Hospital Naval Almirante Nef, Subida Alesandri S/N., Viña del Mar, Provincia de Valparaíso, Chile
| | | | - Jaime Recasens Thomas
- Departamento de Radiología, Escuela de Medicina, Universidad de Valparaíso, Valparaiso, Chile
| | - Mariano Volpacchio
- Radiology Department, Centro de Diagnóstico Dr. Enrique Rossi, Buenos Aires, Argentina
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Lu C, He D, Wang R, Mou H, Bi G, Liu C, Zhou G, Bao P. Elevated polyclonal IgG4 mimicking a monoclonal gammopathy in IgG4-related disease-a case-based review. Clin Rheumatol 2024; 43:3019-3028. [PMID: 38990379 DOI: 10.1007/s10067-024-07062-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 06/29/2024] [Accepted: 07/04/2024] [Indexed: 07/12/2024]
Abstract
IgG4-related diseases (IgG-RDs) are a group of fibroinflammatory diseases that affect a variety of tissues, resulting in tumour-like effects and/or organ dysfunction. Monoclonal gammopathies (MGPs) are a group of disorders characterized by clonal proliferation of plasma cells or lymphoid cells resulting in the secretion of a monoclonal immunoglobulin. Cases of MGPs in IgG4-RDs coexisting with plasma cell dyscrasias and lymphoid neoplasms have been reported over the past few years. Therefore, the results of examinations of M protein in IgG4-RD patients should be interpreted with caution. Herein, we report the case of a 58-year-old male with a history of type 2 diabetes who presented with submandibular masses, anosmia, swollen lymph nodes, proteinuria, and renal impairment. Laboratory tests revealed hyperglobulinemia and elevated levels of IgG4 (124 g/L) and serum-free light chains (sFLCs). Serum protein electrophoresis (SPEP) revealed an M spike of 5.6 g/dL, and immunofixation electrophoresis (IPE) revealed biclonal IgG-κ and IgG-λ. The patient underwent bone marrow, lymph node, and kidney biopsy, which ruled out plasma cell disorders and lymphoma. He was finally diagnosed with an IgG4-RD comorbid with diabetic nephropathy. The findings in this case highlight that significant activation of B cells in IgG4-RD patients, especially those with multiorgan involvement can lead to significant hyperglobulinemia and high sFLC and IgG4 levels, which are more pronounced in the setting of renal impairment. Relatively high concentrations of polyclonal IgG4 can give rise to a focal band bridging the β and γ fractions, which may mimic the appearance of a monoclonal band on SPEP and monoclonal gammaglobulinemia in IFE. The patient experienced considerable improvement in his symptoms after rituximab combined with glucocorticoid therapy, and a monoclonal immunoglobulin was not detected.
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Affiliation(s)
- Chunlei Lu
- Nephrology Department, Northern Jiangsu People's Hospital Affiliated to Yangzhou University, #98 Nantong West Road, Yangzhou, 225001, China
| | - Dafeng He
- Nephrology Department, Northern Jiangsu People's Hospital Affiliated to Yangzhou University, #98 Nantong West Road, Yangzhou, 225001, China
| | - Rong Wang
- Nephrology Department, Northern Jiangsu People's Hospital Affiliated to Yangzhou University, #98 Nantong West Road, Yangzhou, 225001, China
| | - Hongbin Mou
- Nephrology Department, Northern Jiangsu People's Hospital Affiliated to Yangzhou University, #98 Nantong West Road, Yangzhou, 225001, China
| | - Guangyu Bi
- Nephrology Department, Northern Jiangsu People's Hospital Affiliated to Yangzhou University, #98 Nantong West Road, Yangzhou, 225001, China
| | - Changhua Liu
- Nephrology Department, Northern Jiangsu People's Hospital Affiliated to Yangzhou University, #98 Nantong West Road, Yangzhou, 225001, China
| | - Gang Zhou
- Nephrology Department, Northern Jiangsu People's Hospital Affiliated to Yangzhou University, #98 Nantong West Road, Yangzhou, 225001, China.
| | - Ping Bao
- Functional Examination Room, Northern Jiangsu People's Hospital Affiliated to Yangzhou University, #98 Nantong West Road, Yangzhou, 225001, China.
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Neralla M, Satheesh T, Murugan MS. A Rare Presentation of Isolated IgG4-RD in the Oral Cavity Mimicking Oral Cancer: A Case Report. J Maxillofac Oral Surg 2024; 23:984-989. [PMID: 39118936 PMCID: PMC11303350 DOI: 10.1007/s12663-023-02018-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Accepted: 09/11/2023] [Indexed: 08/10/2024] Open
Affiliation(s)
- Mahathi Neralla
- Department of Oral and Maxillofacial SuregrySaveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai, 600077 India
| | - Tharini Satheesh
- Department of Oral and Maxillofacial SuregrySaveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai, 600077 India
| | - M. Senthil Murugan
- Department of Oral and Maxillofacial SuregrySaveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai, 600077 India
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Morão B, Ramos LR, Oliveira MH, Glória L. Malignancy and mass-forming phenotypes of IgG4-related disease: a challenging diagnosis. BMJ Case Rep 2024; 17:e257372. [PMID: 38960429 DOI: 10.1136/bcr-2023-257372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/05/2024] Open
Abstract
Mass-forming phenotypes of IgG4-related disease (IgG4-RD) mimic malignancy and histological confirmation can be challenging. A woman in her 70s with HIV infection presented with painless obstructive jaundice and weight loss. Magnetic resonance imaging was suggestive of unresectable cholangiocarcinoma. Tumour markers and serum IgG4 were normal. Percutaneous liver biopsy was consistent with IgG4-RD inflammatory pseudotumour, with complete response to glucocorticoid therapy. Two years later, a new episode of obstructive jaundice occurred, with CT showing a solid lesion in the head of the pancreas with double duct sign and encasement of the portal vein. Re-induction therapy was tried without response. Fine-needle biopsy was consistent with pancreatic cancer. Supportive care was offered and the patient died 8 months later, with no signs of disease progression on subsequent imaging. We discuss the challenges of IgG4-RD diagnosis and treatment and the differential diagnosis between mass-forming phenotypes and malignancy, highlighting the difficulties in managing such patients.
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Affiliation(s)
- Bárbara Morão
- Gastroenterology, Hospital Beatriz Angelo, Loures, Lisboa, Portugal
| | | | | | - Luísa Glória
- Gastroenterology, Hospital Beatriz Angelo, Loures, Lisboa, Portugal
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Ortiz Requena D, Poveda J, McDonald OG, Ronquillo N, Garcia-Buitrago M, Montgomery EA. IgG4-related Sclerosing Disease of the Gallbladder: Incidental Malignancy Mimicker Associated With Cholelithiasis? Adv Anat Pathol 2024; 31:251-255. [PMID: 38712814 DOI: 10.1097/pap.0000000000000453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Affiliation(s)
- Domenika Ortiz Requena
- Department of Pathology and Laboratory Medicine, University of Miami Miller School of Medicine, Miami, FL
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Gorial FI, Awadh NI, Ali SB, Mirza SA, Abbas MH. Sinonasal immunoglobulin G4-related disease: a case report of an atypical and rare entity. J Med Case Rep 2024; 18:268. [PMID: 38835063 DOI: 10.1186/s13256-024-04594-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Accepted: 05/16/2024] [Indexed: 06/06/2024] Open
Abstract
BACKGROUND Immunoglobulin G4-related disease is marked by extensive inflammation and fibrosis of an unknown autoimmune component, with an overall incidence ranging from 0.78 to 1.39 per 105 person-years. Sinonasal immunoglobulin G4-related disease is atypical and exceedingly uncommon in the existing literature, frequently manifesting clinically as chronic rhinosinusitis, epistaxis, and facial pain. CASE PRESENTATION This report describes a 25-year-old Iraqi female who has been suffering from symptoms of chronic rhinosinusitis for 8 years. Despite undergoing several surgeries, there has been no improvement in her symptoms. A tissue biopsy that revealed dense lymphoplasmocytosis with noticeable plasma cell infiltration, storiform fibrosis, and obliterative angitis, along with positive immunohistochemical staining for Immunoglobulin G4 plasma cells, finally confirmed the diagnosis of sinonasal immunoglobulin G4-related disease. The patient responded well to oral prednisolone and methotrexate treatments. CONCLUSIONS The main objective of the current report is to raise awareness among physicians about the significance of promptly identifying and diagnosing this rarity, thus preventing the adverse consequences linked to delayed diagnosis and treatment initiation.
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Affiliation(s)
- Faiq I Gorial
- Department of Internal Medicine, Rheumatology Unit, College of Medicine, University of Baghdad, Baghdad, Iraq
| | - Nabaa Ihsan Awadh
- Department of Internal Medicine, Rheumatology Unit, Baghdad Teaching Hospital, Baghdad Medical City, Baghdad, Iraq.
| | - Shahlaa B Ali
- Department of Internal Medicine, Rheumatology Unit, Al-Imamain Al-Kadhimain Medical City, Alkarkh Health Directorate, Baghdad, Iraq
| | - Sazan Abdulwahab Mirza
- Department of Pathology and Forensic Medicine, College of Medicine, University of Baghdad, Baghdad, Iraq
| | - Murtadha Hussein Abbas
- Department of Internal Medicine, Rheumatology Unit, Baghdad Teaching Hospital, Baghdad Medical City, Baghdad, Iraq
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Muniz VRVM, Altemani A, Freitas VS, Pires BC, de Santana DA, Couto LA, Cangussu MCT, Gomez RS, de Souza SCOM, Vargas PA, Cury PR, de Araújo IB, Chaves RRM, Fonseca FP, Dos Santos JN. Chronic Sclerosing Sialadenitis of the Submandibular Gland and its Histopathological Spectrum in the IgG4-Related Disease: a Series of 17 Cases. Head Neck Pathol 2024; 18:42. [PMID: 38735890 PMCID: PMC11089028 DOI: 10.1007/s12105-024-01651-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Accepted: 04/30/2024] [Indexed: 05/14/2024]
Abstract
PURPOSE This study aimed to characterize the histopathological immunohistochemical features of chronic sclerosing sialadenitis, emphasizing the IgG4-related disease. METHODS Seventeen cases of chronic sclerosing sialoadenitis were examined for histopathological aspects, (inflammation, fibrosis, glandular parenchyma, and lymphoid follicles) and immunohistochemistry (BCL2, CD3, CD20, CD34, CD163, p63, cyclin D1, mast cell, SMA, S100A4, IgG, and IgG4) which were scored. IgG4-related disease features were investigated. Demographic and clinical data were also collected. RESULTS Males predominated (10:7), with an average lesion size of 3.9 cm. Common histopathological findings included reduced acinar parenchyma, lymphoid follicle formation, and ductular proliferation. CD3-positive T lymphocytes and CD34- and SMA-positive stromal fibroblasts were abundant. Nine cases (53%) showed sialoliths and three cases met the criteria for IgG4-related disease. CONCLUSION CSS of the submandibular gland represents a reactive pattern rather than IgG4-RD as only 3 cases seemed to be related to IgG4-RD. The immunohistochemical profile revealed an abundant population of CD3-positive T lymphocytes, as opposed to regulatory proteins such as cyclin D1, demonstrating that populations of CD34- and SMA-positive stromal fibroblasts contribute to the fibrosis characteristic of CSS. In addition, our results provide a comprehensive insight into the study of CSS and its relationship with IgG4-RD.
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Affiliation(s)
| | - Albina Altemani
- Department of Pathology, School of Medical Sciences, State University of Campinas, Campinas (UNICAMP), Campinas, São Paulo, Brazil
| | - Valéria Souza Freitas
- Department of Health, School of Dentistry, State University of Feira de Santana (UEFS), Feira de Santana, Feira de Santana, Bahia, Brazil
| | | | - Dandara Andrade de Santana
- Department of Biological Sciences, State University of Feira de Santana (UEFS), Feira de Santana, Bahia, Brazil
| | - Larissa Abbehusen Couto
- Department of Biological Sciences, State University of Feira de Santana (UEFS), Feira de Santana, Bahia, Brazil
| | | | - Ricardo Santiago Gomez
- Department of Oral Surgery and Pathology, School of Dentistry, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | | | - Pablo Augustin Vargas
- Oral Diagnosis Department, Piracicaba Dental School, University of Campinas (UNICAMP), Piracicaba, São Paulo, Brazil
| | - Patrícia Ramos Cury
- Department of Biological Sciences, State University of Feira de Santana (UEFS), Feira de Santana, Bahia, Brazil
| | - Iguaracyra Barreto de Araújo
- Department of Pathology and Forensic Medicine, School of Medicine, Federal University of Bahia (UFBA), Salvador, Bahia, Brazil
| | - Roberta Rayra Martins Chaves
- Department of Oral Surgery and Pathology, School of Dentistry, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Felipe Paiva Fonseca
- Department of Oral Surgery and Pathology, School of Dentistry, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Jean Nunes Dos Santos
- Laboratory of Oral and Maxillofacial Pathology, School of Dentistry, Federal University of Bahia (UFBA), Salvador, Bahia, Brazil.
- Faculdade de Odontologia - UFBA, Laboratório de Patologia Oral e Maxilofacial, Avenida Araújo Pinho, 62, Canela, Salvador, 40110-150, Bahia, Brazil.
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Wheeler S, Andeen N, Reddy R. Isolated IgG4 related disease of the trachea. Respir Med Case Rep 2024; 49:102031. [PMID: 38712313 PMCID: PMC11070757 DOI: 10.1016/j.rmcr.2024.102031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 04/26/2024] [Indexed: 05/08/2024] Open
Abstract
IgG4 related disease (IgG4-RD) is a multisystem inflammatory disease and can affect several organs including salivary glands, orbits, lungs, pancreas, kidneys and lymph nodes. Up to 40 % of patients have allergic manifestations including asthma, chronic rhinosinusitis, eczema and asthma. Commonly pulmonary manifestations include pulmonary nodules ranging from <1 to 5 cm in diameter, interstitial opacities and mediastinal lymphadenopathy. Rarely, IgG4-RD presents as isolated tracheal disease. Symptoms include dyspnea and stridor due to airway narrowing. Diagnosis of IgG4-RD including tracheal IgG4-RD requires a biopsy. The histologic specimen is characterized by lymphoplasmacytic infiltrate with high density of IgG4 positive plasma cells, and storiform fibrosis (a cartwheel appearance of fibroblasts and inflammatory cells). Up to 30 % of patients with IgG4-RD have normal serum IgG4 levels. The mainstay of therapy is glucocorticoids for those with systemic disease. Rituximab is an alternative for those who cannot tolerate glucocorticoids or those with disease recurrence. Patients with tracheal disease often require balloon dilation. Recurrence is common in patients and up to two thirds of patients have residual disease despite treatment. These patients often require surgical resection of affected area for symptomatic relief.
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Affiliation(s)
- Sarah Wheeler
- Division of Pulmonary, Allergy and Critical Care Medicine, Oregon Health and Science University, Portland, OR, USA
| | - Nicole Andeen
- Department of Pathology and Laboratory Medicine, Oregon Health and Science University, Portland, OR, USA
| | - Raju Reddy
- Division of Pulmonary, Allergy and Critical Care Medicine, Oregon Health and Science University, Portland, OR, USA
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Czarnywojtek A, Agaimy A, Pietrończyk K, Nixon IJ, Vander Poorten V, Mäkitie AA, Zafereo M, Florek E, Sawicka-Gutaj N, Ruchała M, Ferlito A. IgG4-related disease: an update on pathology and diagnostic criteria with a focus on salivary gland manifestations. Virchows Arch 2024; 484:381-399. [PMID: 38316669 DOI: 10.1007/s00428-024-03757-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 01/12/2024] [Accepted: 01/29/2024] [Indexed: 02/07/2024]
Abstract
Immunoglobulin G4-related disease (IgG4-RD) is a multi-organ disorder characterized by a highly variable clinical presentation depending on the affected organ/s, extent of tumefactive fibroinflammatory lesions, and associated functional impairment. The disease pursues a chronic, relapsing, often asymptomatic course and hence may pose a significant diagnostic challenge. Diagnostic delay can lead to progressive fibrosis and irreversible organ damage resulting into significant morbidity and even mortality. Given its broad clinical spectrum, physicians of all specialties may be the first clinicians facing this diagnostic challenge. Outside the pancreatobiliary system, the head and neck represents the major site of IgG4-RD with variable organ-specific diffuse or mass-forming lesions. In up to 75% of cases, elevated serum IgG4 levels are observed, but this figure possibly underestimates the fraction of seronegative cases, as the disease manifestations may present metachronously with significant intervals. Together with negative serology, this can lead to misdiagnosis of seronegative cases. A standardized nomenclature and diagnostic criteria for IgG4-RD were established in 2012 and revised in 2020 facilitating scientific research and expanding the range of diseases associated with IgG4 abnormalities. In addition to orbital pseudotumor, dacryoadenitis, Riedel thyroiditis, sinonasal manifestations, and rare miscellaneous conditions, IgG4-related sialadenitis is one of the most frequent presentations in the head and neck region. However, controversy still exists regarding the relationship between sialadenitis and IgG4-RD. This review focuses on the clinicopathological features of IgG4-related sialadenitis and its contemporary diagnostic criteria.
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Affiliation(s)
- Agata Czarnywojtek
- Department of Pharmacology, Poznan University of Medical Sciences, 60-806, Poznan, Poland
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, 60-355, Poznan, Poland
| | - Abbas Agaimy
- Institute of Pathology, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nürnberg (FAU), 91054, Erlangen, Germany
| | | | - Iain J Nixon
- Department of Otorhinolaryngology Head and Neck Surgery, NHS Lothian, Edinburgh, EH8 9YL, UK
| | - Vincent Vander Poorten
- Otorhinolaryngology-Head and Neck Surgery, KU Leuven University Hospitals, 3000, Leuven, Belgium
- Department of Oncology, Section Head and Neck Oncology, KU Leuven, 3000, Leuven, Belgium
| | - Antti A Mäkitie
- Department of Otorhinolaryngology-Head and Neck Surgery, University of Helsinki and Helsinki University Hospital, and the Research Program in Systems Oncology, Faculty of Medicine, University of Helsinki, 00014, Helsinki, Finland
| | - Mark Zafereo
- Department of Head & Neck Surgery, MD Anderson Cancer Center, Houston, TX, 77005, USA
| | - Ewa Florek
- Laboratory of Environmental Research, Department of Toxicology, Poznan University of Medical Sciences, 60-806, Poznan, Poland.
| | - Nadia Sawicka-Gutaj
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, 60-355, Poznan, Poland
| | - Marek Ruchała
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, 60-355, Poznan, Poland
| | - Alfio Ferlito
- International Head and Neck Scientific Group, 35100, Padua, Italy
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12
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Park BU, Lee HE, Zhang L. Mimickers of immunoglobulin G4-related hepatobiliary disease on biopsy. Semin Diagn Pathol 2024; 41:95-107. [PMID: 38238218 DOI: 10.1053/j.semdp.2024.01.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 01/04/2024] [Accepted: 01/05/2024] [Indexed: 03/24/2024]
Abstract
With the growing recognition of IgG4-related hepatobiliary disease, establishing a definitive diagnosis relies mainly on a combination of clinical findings, serological markers, and imaging modalities. However, the role of histopathological evaluation remains indispensable, particularly in cases necessitating differential diagnosis or malignancy exclusion. While diagnosing IgG4-related hepatobiliary disease through surgical resection specimens is often straightforward, pathologists encounter substantial challenges when evaluating biopsies. The increasing rarity of surgical interventions exacerbates this due to improved disease recognition and suspicion. Numerous confounding factors, including the absence of the characteristic histologic features, limited tissue sample size, biopsy artifacts, and the limited value of IgG4 counts, further complicate the diagnostic process. Additionally, many other disorders exhibit clinical and histological features that overlap with IgG4-related disease, intensifying the complexity of interpreting biopsy specimens. This article explores the clinical and histomorphologic features of IgG4-related hepatobiliary disease and its potential mimickers. It offers valuable insights for pathologists and clinicians when confronted with biopsy specimens from hepatobiliary organs.
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Affiliation(s)
- Byoung Uk Park
- Division of Anatomic Pathology, Mayo Clinic, Rochester, MN 55905, United States
| | - Hee Eun Lee
- Division of Anatomic Pathology, Mayo Clinic, Rochester, MN 55905, United States
| | - Lizhi Zhang
- Division of Anatomic Pathology, Mayo Clinic, Rochester, MN 55905, United States.
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13
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Li CMF, Kim DD, Allen LH. Ophthalmoplegia With Isolated Extraocular Muscle Hypertrophy. JAMA Neurol 2024; 81:190-191. [PMID: 38190137 DOI: 10.1001/jamaneurol.2023.5056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
A 60-year-old man is experiencing diplopia but no problems with visual acuity, pain, or other symptoms. A magnetic resonance image of the head shows abnormal thickening and T2 hyperintensity of the right lateral rectus muscle. What is your diagnosis?
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Affiliation(s)
- Cathy Meng Fei Li
- Department of Clinical Neurological Sciences, Western University, London, Ontario, Canada
| | | | - Larry H Allen
- Department of Ophthalmology, Western University, London, Ontario, Canada
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14
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Vernia F, Cirella L, Calvisi G, Viscido A, Latella G. Immunoglobulin G4-Related Disease of the Intestine: A Clinicopathological Entity to Be Considered. MEDICINA (KAUNAS, LITHUANIA) 2023; 60:57. [PMID: 38256319 PMCID: PMC10818347 DOI: 10.3390/medicina60010057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/18/2023] [Accepted: 12/26/2023] [Indexed: 01/24/2024]
Abstract
Background and Objectives: Immunoglobulin G4-related disease (IgG4-RD) is a recently recognized immune-mediated, systemic condition of unknown etiology, associated with fibroinflammatory lesions. Diagnosis is set in the presence of IgG4-positive plasma cell infiltration of the involved tissue and elevated serum IgG4 levels. However, approximately 30% of patients have normal serum IgG4 levels. IgG4-RD may affect several organs, including the pancreas, bile ducts, mesentery, retroperitoneum, and salivary glands, but the involvement of the gastrointestinal tract is uncommon. Materials and Methods: The case series of 4 patients with IgG4-RD involving the intestinal tract was observed in the period of 2017-2022. Colorectal and ileal biopsy specimens were stained with hematoxylin and eosin and immunohistochemical techniques using monoclonal antihuman IgG4 primary antibody. Diagnosis of IgG4-RD was based on the presence of >50 cells/ HPF and IgG4/IgG ratio >40 confirmed by two pathologists. Results: IgG4-RD was set in patients previously diagnosed as affected by Crohn's disease. Conclusions: Systematic IgG4 immunohistochemical staining should be considered in the diagnostic workup of patients with gastrointestinal strictures, mimicking Crohn's disease. The exact prevalence of the condition is likely more frequent than reported and should be defined by a large series of consecutive patients.
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Affiliation(s)
- Filippo Vernia
- Department of Life, Health, and Environmental Sciences, Division of Gastroenterology, Hepatology, and Nutrition, University of L’Aquila, Piazza S. Tommasi, 1, Coppito, 67100 L’Aquila, Italy; (F.V.); (A.V.)
| | - Laura Cirella
- Pathology Unit, San Salvatore Hospital, Via Lorenzo Natali, 1, Coppito, 67100 L’Aquila, Italy; (L.C.); (G.C.)
| | - Giuseppe Calvisi
- Pathology Unit, San Salvatore Hospital, Via Lorenzo Natali, 1, Coppito, 67100 L’Aquila, Italy; (L.C.); (G.C.)
| | - Angelo Viscido
- Department of Life, Health, and Environmental Sciences, Division of Gastroenterology, Hepatology, and Nutrition, University of L’Aquila, Piazza S. Tommasi, 1, Coppito, 67100 L’Aquila, Italy; (F.V.); (A.V.)
| | - Giovanni Latella
- Department of Life, Health, and Environmental Sciences, Division of Gastroenterology, Hepatology, and Nutrition, University of L’Aquila, Piazza S. Tommasi, 1, Coppito, 67100 L’Aquila, Italy; (F.V.); (A.V.)
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15
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Kersten R, Trampert DC, Herta T, Hubers LM, Maillette de Buy Wenniger LJ, Verheij J, van de Graaf SFJ, Beuers U. IgG4-related cholangitis - a mimicker of fibrosing and malignant cholangiopathies. J Hepatol 2023; 79:1502-1523. [PMID: 37598939 DOI: 10.1016/j.jhep.2023.08.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 07/24/2023] [Accepted: 08/14/2023] [Indexed: 08/22/2023]
Abstract
IgG4-related cholangitis (IRC) is the major hepatobiliary manifestation of IgG4-related disease (IgG4-RD), a systemic fibroinflammatory disorder. The pathogenesis of IgG4-RD and IRC is currently viewed as multifactorial, as there is evidence of a genetic predisposition while environmental factors, such as blue-collar work, are major risk factors. Various autoantigens have been described in IgG4-RD, including annexin A11 and laminin 511-E8, proteins which may exert a partially protective function in cholangiocytes by enhancing secretion and barrier function, respectively. For the other recently described autoantigens, galectin-3 and prohibitin 1, a distinct role in cholangiocytes appears less apparent. In relation to these autoantigens, oligoclonal expansions of IgG4+ plasmablasts are present in patients with IRC and disappear upon successful treatment. More recently, specific T-cell subtypes including regulatory T cells, follicular T helper 2 cells, peripheral T helper cells and cytotoxic CD8+ and CD4+ SLAMF7+ T cells have been implicated in the pathogenesis of IgG4-RD. The clinical presentation of IRC often mimics other biliary diseases such as primary sclerosing cholangitis or cholangiocarcinoma, which may lead to inappropriate medical and potentially invalidating surgical interventions. As specific biomarkers are lacking, diagnosis is made according to the HISORt criteria comprising histopathology, imaging, serology, other organ manifestations and response to therapy. Treatment of IRC aims to prevent or alleviate organ damage and to improve symptoms and consists of (i) remission induction, (ii) remission maintenance and (iii) long-term management. Glucocorticosteroids are highly effective for remission induction, after which immunomodulators can be introduced for maintenance of remission as glucocorticosteroid-sparing alternatives. Increased insight into the pathogenesis of IRC will lead to improved diagnosis and novel therapeutic strategies in the future.
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Affiliation(s)
- Remco Kersten
- Department of Gastroenterology & Hepatology, Tytgat Institute for Liver and Intestinal Research, AGEM, Amsterdam University Medical Centers, Amsterdam, the Netherlands
| | - David C Trampert
- Department of Gastroenterology & Hepatology, Tytgat Institute for Liver and Intestinal Research, AGEM, Amsterdam University Medical Centers, Amsterdam, the Netherlands
| | - Toni Herta
- Department of Gastroenterology & Hepatology, Tytgat Institute for Liver and Intestinal Research, AGEM, Amsterdam University Medical Centers, Amsterdam, the Netherlands; Division of Hepatology, Department of Medicine II, Leipzig University Medical Center, Leipzig, Germany
| | - Lowiek M Hubers
- Department of Gastroenterology & Hepatology, Tytgat Institute for Liver and Intestinal Research, AGEM, Amsterdam University Medical Centers, Amsterdam, the Netherlands
| | | | - Joanne Verheij
- Department of Pathology, Amsterdam University Medical Centers, the Netherlands
| | - Stan F J van de Graaf
- Department of Gastroenterology & Hepatology, Tytgat Institute for Liver and Intestinal Research, AGEM, Amsterdam University Medical Centers, Amsterdam, the Netherlands
| | - Ulrich Beuers
- Department of Gastroenterology & Hepatology, Tytgat Institute for Liver and Intestinal Research, AGEM, Amsterdam University Medical Centers, Amsterdam, the Netherlands.
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16
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Wu S, Wang H. IgG4-related digestive diseases: diagnosis and treatment. Front Immunol 2023; 14:1278332. [PMID: 37868965 PMCID: PMC10585276 DOI: 10.3389/fimmu.2023.1278332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 09/22/2023] [Indexed: 10/24/2023] Open
Abstract
IgG4-related digestive diseases encompass a group of chronic inflammatory disorders characterized by autoimmune reactions and fibrosis affecting multiple digestive organs. These diseases are identified by elevated serum levels of IgG4 and the presence of IgG4-positive plasma cell infiltration in the affected sites, along with storiform fibrosis, obliterative phlebitis, and eosinophilic infiltration. Although extensive research has been conducted, a comprehensive understanding of these conditions remains elusive. Current clinical diagnosis often relies on the application of integrated diagnostic criteria for IgG4-related diseases, combined with specific organ involvement criteria. Distinguishing them from malignancies poses considerable challenges. Moreover, further investigations are required to elucidate the underlying pathogenic mechanisms and explore potential therapeutic interventions. This review provides a systematic classification of IgG4-related digestive diseases while discussing their diagnostic strategies, clinical presentations, and treatment modalities. The comprehensive insights shared herein aim to guide clinicians in their practice and contribute to the advancement of knowledge in this field.
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Affiliation(s)
- Siyu Wu
- Graduate School, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Haiqiang Wang
- Department of Internal Medicine, First Affiliated Hospital, Heilongjiang University of Chinese Medicine, Harbin, China
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17
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Peña-Urbina P, Burgos-Blasco B, Llorente-La Orden C, Ortega-Candil A, Romo-López A. Ophthalmoparesis and bilateral orbital mass in an HIV patient: A diagnostic dilemma. J Fr Ophtalmol 2023; 46:e174-e176. [PMID: 36849289 DOI: 10.1016/j.jfo.2022.07.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 07/06/2022] [Accepted: 07/25/2022] [Indexed: 02/27/2023]
Affiliation(s)
- P Peña-Urbina
- Ophthalmology Department, San Carlos Clinic Hospital, Calle del Prof Martín Lagos, s/n, 28040 Madrid, Spain.
| | - B Burgos-Blasco
- Ophthalmology Department, San Carlos Clinic Hospital, Calle del Prof Martín Lagos, s/n, 28040 Madrid, Spain
| | - C Llorente-La Orden
- Ophthalmology Department, San Carlos Clinic Hospital, Calle del Prof Martín Lagos, s/n, 28040 Madrid, Spain
| | - A Ortega-Candil
- Nuclear Medicine Department, San Carlos Clinic Hospital, Calle del Prof Martín Lagos, s/n, 28040 Madrid, Spain
| | - A Romo-López
- Ophthalmology Department, San Carlos Clinic Hospital, Calle del Prof Martín Lagos, s/n, 28040 Madrid, Spain
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18
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Sugawara E, Sato T, Katsumata K. Dr. Sugawara et al reply. J Rheumatol 2023; 50:715. [PMID: 36319010 DOI: 10.3899/jrheum.220923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Eri Sugawara
- Department of Rheumatology, Tonan Hospital, Sapporo, Japan.
| | - Taiki Sato
- Department of Rheumatology, Tonan Hospital, Sapporo, Japan
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19
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A lesson learnt from laboratory error: isoelectric focusing improves the accuracy in interpreting polyclonal or monoclonal IgG4. Pathology 2023; 55:402-405. [PMID: 36002359 DOI: 10.1016/j.pathol.2022.05.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 05/16/2022] [Accepted: 05/22/2022] [Indexed: 11/24/2022]
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20
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Omer Mirghani M, Zia Z, Haytham Mawardi M, Almansouri Z, Ahmad N. IgG4-related inflammatory pseudotumor of the liver presenting as an incidental solitary liver mass. INTERNATIONAL JOURNAL OF HEPATOBILIARY AND PANCREATIC DISEASES 2023. [DOI: 10.5348/100101z04mm2023cr] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
Abstract
Inflammatory pseudotumor is increasingly being recognized as a definitive pathological entity affecting many organ systems and often difficult to distinguish from malignancy. We report a case of a 48-year-old female who presented with right hypochondrial pain associated with nausea and vomiting and recent weight loss. An ultrasound scan demonstrated gallstones without evidence of cholecystitis and an incidental 1.5 cm mass in the left liver lobe. A computed tomography (CT) and a magnetic resonance imaging (MRI) scan described the mass suspicious of a malignant tumour. An ultrasound-guided biopsy confirmed a benign inflammatory mass with lymphoplasmacytic infiltration staining for IgG4 and no evidence of malignancy. The patient had an elevated serum IgG4 levels. The patient was kept under surveillance. She underwent a laparoscopic cholecystectomy and at 18 months following the initial presentation the patient remains asymptomatic with stable liver lesion on ultrasound scan.
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Affiliation(s)
- Mohammed Omer Mirghani
- Department of Surgery, Section of Hepatobiliary and Transplantation Surgery, King Faisal Specialist Hospital and Research Centre, Jeddah, Saudi Arabia
| | - Zergham Zia
- Department of Radiology, King Faisal Specialist Hospital and Research Centre, Jeddah, Saudi Arabia
| | - Mohammad Haytham Mawardi
- Department of Medicine, King Faisal Specialist Hospital and Research Centre, Jeddah, Saudi Arabia
| | - Zuhoor Almansouri
- Department of Anatomic Pathology, King Faisal Specialist Hospital and Research Centre, Jeddah, Saudi Arabia
| | - Niaz Ahmad
- Departmet of Surgery, Section of Hepatobiliary and Transplantation Surgery, King Faisal Specialist Hospital and Research Centre, Jeddah, Saudi Arabia
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21
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Capurso G, Pedica F, Palumbo D, Della-Torre E. IgG4-related autoimmune liver disease. Minerva Gastroenterol (Torino) 2023; 69:23-49. [PMID: 33267565 DOI: 10.23736/s2724-5895.20.02794-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/02/2023]
Abstract
The term IgG4-related autoimmune liver disease (AILD) refers to hepato-biliary manifestations of Immunoglobin G4-related disease (IgG4-RD) including IgG4-related sclerosing cholangitis and IgG4-related pseudotumor. The association of some forms of autoimmune hepatitis to IgG4-RD remains controversial. Although autoimmune phenomena have not been clearly observed in IgG4-AILD, perturbation of the adaptive immune system and activation of the humoral response represent established pathophysiological hallmarks and potential therapeutic targets. Clinical manifestations of IgG4-AILD are virtually indistinguishable from bile duct cancer or primary sclerosing cholangitis and are due to mass forming lesions and thickening of the biliary tract that progressively lead to biliary ducts obstruction. There are no current reliable biomarkers for IgG4-AILD and diagnosis should rely on the integration of clinical, serological, radiological, and histological findings. In analogy to most IgG4-RD manifestations, and in contrast to its major mimickers, IgG4-AILD promptly responds to glucocorticoids but frequently relapses, thus requiring long-term maintenance therapy to avoid progressive fibrosclerotic disease and liver cirrhosis. Accumulating evidence on the efficacy of B-cell depletion therapy in patients with systemic IgG4-RD is gradually changing the treatment paradigm of IgG4-AILD and biologics will be increasingly used also for gastroenterological manifestations of IgG4-RD to spare glucocorticoids and traditional immunosuppressive agents. Looking ahead, identification of reliable biomarkers and of mini-invasive strategies to obtain informative biopsies from the biliary tree represent unavoidable priorities to optimize diagnosis and management of IgG4-AILD.
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Affiliation(s)
- Gabriele Capurso
- IRCCS San Raffaele Hospital, Vita-Salute San Raffaele University, Milan, Italy -
- Division of Pancreato-Biliary Endoscopy and Endosonography, IRCCS San Raffaele Hospital, Milan, Italy -
- Division of Pancreatic Surgery, Pancreas Translational and Clinical Research Center, IRCCS San Raffaele Hospital, Milan, Italy -
| | - Federica Pedica
- IRCCS San Raffaele Hospital, Vita-Salute San Raffaele University, Milan, Italy
- Unit of Pathology, IRCCS San Raffaele Hospital, Milan, Italy
| | - Diego Palumbo
- IRCCS San Raffaele Hospital, Vita-Salute San Raffaele University, Milan, Italy
- Unit of Clinical and Experimental Radiology, Experimental Imaging Center, IRCCS San Raffaele Hospital, Milan, Italy
| | - Emanuel Della-Torre
- IRCCS San Raffaele Hospital, Vita-Salute San Raffaele University, Milan, Italy
- Division of Pancreatic Surgery, Pancreas Translational and Clinical Research Center, IRCCS San Raffaele Hospital, Milan, Italy
- Unit of Immunology, Rheumatology, Allergy and Rare Diseases (UnIRAR), IRCCS San Raffaele Hospital, Milan, Italy
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22
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Caba O, Diéguez-Castillo C, Martínez-Galán J, González-Cebrián I, Jiménez-Luna C. Serum biomarkers for the differentiation of autoimmune pancreatitis from pancreatic ductal adenocarcinoma. World J Gastrointest Oncol 2023; 15:268-275. [PMID: 36908319 PMCID: PMC9994052 DOI: 10.4251/wjgo.v15.i2.268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 11/29/2022] [Accepted: 01/17/2023] [Indexed: 02/14/2023] Open
Abstract
Autoimmune pancreatitis (AIP), a chronic inflammation caused by the immune system attacking the pancreas, usually presents imaging and clinical features that overlap with those of pancreatic ductal adenocarcinoma (PDAC). Serum biomarkers, substances that quantitatively change in sera during disease development, are a promising non-invasive tool with high utility for differentiating between these diseases. In this way, the presence of AIP is currently suspected when serum concentrations of immunoglobulin G4 (IgG4) antibody are elevated. However, this approach has some drawbacks. Notably, IgG4 antibody concentrations are also elevated in sera from some patients with PDAC. This review focuses on the most recent and relevant serum biomarkers proposed to differentiate between AIP and PDAC, evaluating the usefulness of immunoglobulins, autoantibodies, chemokines, and cytokines. The proposed serum biomarkers have proven useful, although most studies had a small sample size, did not examine their presence in patients with PDAC, or did not test them in humans. In addition, current evidence suggests that a single serum biomarker is unlikely to accurately differentiate these diseases and that a set of biomarkers will be needed to achieve adequate specificity and sensitivity, either alone or in combination with clinical data and/or radiological images.
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Affiliation(s)
- Octavio Caba
- Institute of Biopathology and Regenerative Medicine (IBIMER), University of Granada, Granada 18016, Spain
- Biosanitary Institute of Granada (ibs.GRANADA), 18014 Granada, Spain
| | | | - Joaquina Martínez-Galán
- Department of Medical Oncology, Virgen de las Nieves University Hospital, Granada 18014, Spain. Biosanitary Institute of Granada (ibs.GRANADA), 18014 Granada, Spain
| | | | - Cristina Jiménez-Luna
- Institute of Biopathology and Regenerative Medicine (IBIMER), University of Granada, Granada 18016, Spain
- Biosanitary Institute of Granada (ibs.GRANADA), 18014 Granada, Spain
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23
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Champion B, Chai SM, Bhandari M, Gunawardena D. IgG4-related autoimmune pancreatitis-like mass-forming lesion on a background of immune checkpoint inhibitor immunotherapy. Pathology 2023; 55:133-136. [PMID: 35842321 DOI: 10.1016/j.pathol.2022.04.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 04/08/2022] [Accepted: 04/26/2022] [Indexed: 01/24/2023]
Affiliation(s)
- Benjamin Champion
- Department of Anatomical Pathology, PathWest, Fiona Stanley Hospital, Murdoch, WA, Australia.
| | - Siaw Ming Chai
- Department of Anatomical Pathology, PathWest, Fiona Stanley Hospital, Murdoch, WA, Australia
| | - Mayank Bhandari
- Department of General Surgery, Fiona Stanley Hospital, Murdoch, WA, Australia
| | - Dilini Gunawardena
- Department of Anatomical Pathology, PathWest, Fiona Stanley Hospital, Murdoch, WA, Australia
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24
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Chakraborty AM, Sahoo SK, Chatterjee D, Dutta P, Kumar R, Bhadada SK. IgG4-related hypophysitis: A monocentric experience from North India. Surg Neurol Int 2022; 13:578. [PMID: 36600729 PMCID: PMC9805655 DOI: 10.25259/sni_1013_2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 11/29/2022] [Indexed: 12/23/2022] Open
Abstract
Background Immunoglobulin (Ig)G4-related disease is a systemic fibroinflammatory disease characterized by dense infiltration of IgG4-positive plasma cells in the affected tissue(s) with or without elevated plasma levels of IgG4. Hypophysitis itself is a very rare disease with reported prevalence in the operative specimens are around 0.2-0.88%. IgG4-related hypophysitis (IgG4-RH) may account for a substantial percentage of cases previously regarded as idiopathic hypophysitis. Methods This study is a registry-based, retrospective, and cohort study from a tertiary care hospital in North India. The medical records and clinical data of biopsy-proven and suspected IgG4-RH patients registered were retrospectively analyzed. Treatment outcome of cases was also explored during this analysis. Results Two thousand and six sellar area space-occupying lesions have been operated-on since 2006, among them only four patients had IgG4-RH on histopathological specimen. One case was diagnosed on clinical suspicion. Mean age of the patients was 31.8 ± 6.32 years. Most frequent presenting complaint was headaches. Extracranial manifestations were present in four patients. The most common pituitary dysfunction was cortisol deficiency. 18 F-fluorodeoxyglucose positron emission tomography (18F FDG PET) was helpful in three cases for diagnosis of hypophysitis and other organ involvement. Classical histological findings with storiform fibrosis, obliterative phlebitis seen in two cases, and IgG4-positive plasma cell infiltration were positive in four cases. Surgery was the primary modality of treatment in all four cases. Only one patient received steroids as a primary therapeutic modality. Conclusion IgG4-RH is rare. High index of suspicion is required to diagnosis the case precisely. FDG PET is helpful in diagnosing hypophysitis and extrapituitary lesions.
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Affiliation(s)
- Ananda Mohan Chakraborty
- Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Sushant Kumar Sahoo
- Department of Neurosurgery, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Debajyoti Chatterjee
- Department of Histopathology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Pinaki Dutta
- Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh, India.,Corresponding author: Pinaki Dutta, Professor, Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Rajender Kumar
- Department of Nuclear Medicine, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Sanjay Kumar Bhadada
- Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
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25
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Pucar D, Hinchcliff M. FDG PET vascular imaging in IgG4-RD: Potential and challenges. J Nucl Cardiol 2022; 29:2934-2937. [PMID: 34964084 DOI: 10.1007/s12350-021-02887-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Accepted: 11/29/2021] [Indexed: 01/18/2023]
Affiliation(s)
- Darko Pucar
- Section of Nuclear Medicine, Department of Radiology and Biomedical Imaging, Yale University School of Medicine, 333 Cedar Street, New Haven, CT, 06511, USA.
| | - Monique Hinchcliff
- Department of Rheumatology, Allergy and Immunology, Yale University School of Medicine, New Haven, CT, USA
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26
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Imai S, Tahara N, Igata S, Tahara A, Bekki M, Sugiyama Y, Maeda-Ogata S, Honda A, Otsuka H, Ushijima T, Okabe Y, Kaida H, Abe T, Tanaka H, Fukumoto Y, Tayama E. Vascular/perivascular inflammation in IgG4-related disease. J Nucl Cardiol 2022; 29:2920-2933. [PMID: 34704218 DOI: 10.1007/s12350-021-02812-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 09/12/2021] [Indexed: 01/29/2023]
Abstract
BACKGROUND Immunoglobulin G4-related disease (IgG4-RD) is characterized by the infiltration of IgG4-positive plasma cells and fibrosclerotic inflammation in multiple organs. Although vascular complications are present in some patients with IgG4-RD, vascular and/or perivascular inflammatory activity compared to control subjects remains unknown. This study sought to investigate vascular/perivascular inflammation in IgG4-RD patients compared to control subjects using 18F-fluorodeoxyglucose-positron emission tomography combined with computed tomography (FDG-PET/CT). METHODS We examined 37 consecutive patients diagnosed as IgG4-RD (29 males, mean age of 64.3 ± 8.3 years old), who underwent FDG-PET/CT. Thirty-seven age- and gender-matched subjects without IgG4-RD were employed as controls. Vascular/perivascular inflammation was quantified by blood-normalized standardized uptake value, known as a target-to-background ratio (TBR). RESULTS All IgG4-RD patients presented with multiple region involvements. Twelve (32.4%) of the IgG4-RD patients had vascular complications, all of which appeared in the abdominal aorta. IgG4-RD patients had significantly higher TBR values in the descending aorta, abdominal aorta, and common iliac artery than control subjects. Also, IgG4-RD patients with vascular complication exhibited higher TBR values in the infra-renal aorta and common iliac artery than those without vascular complication. CONCLUSIONS We found that vascular FDG activity is significantly elevated in IgG4-RD patients regardless of vascular complication than control subjects. FDG-PET/CT is a useful modality for assessing vascular/perivascular inflammation, which may contribute vascular complication in IgG4-RD patients.
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Affiliation(s)
- Shinichi Imai
- Department of Surgery, Kurume University School of Medicine, Kurume, Japan
| | - Nobuhiro Tahara
- Division of Cardiovascular Medicine, Department of Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan.
| | - Sachiyo Igata
- Division of Cardiovascular Medicine, Department of Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan
| | - Atsuko Tahara
- Division of Cardiovascular Medicine, Department of Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan
| | - Munehisa Bekki
- Division of Cardiovascular Medicine, Department of Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan
| | - Yoichi Sugiyama
- Division of Cardiovascular Medicine, Department of Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan
| | - Shoko Maeda-Ogata
- Division of Cardiovascular Medicine, Department of Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan
| | - Akihiro Honda
- Division of Cardiovascular Medicine, Department of Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan
| | - Hiroyuki Otsuka
- Department of Surgery, Kurume University School of Medicine, Kurume, Japan
| | - Tomoyuki Ushijima
- Division of Gastroenterology, Department of Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Yoshinobu Okabe
- Division of Gastroenterology, Department of Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Hayato Kaida
- Department of Radiology, Kindai University Faculty of Medicine, Osakasayama, Japan
| | - Toshi Abe
- Department of Radiology, Kurume University School of Medicine, Kurume, Japan
| | - Hiroyuki Tanaka
- Department of Surgery, Kurume University School of Medicine, Kurume, Japan
| | - Yoshihiro Fukumoto
- Division of Cardiovascular Medicine, Department of Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan
| | - Eiki Tayama
- Department of Surgery, Kurume University School of Medicine, Kurume, Japan
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Badheeb M, Abdelrahim A, Esmail A, Umoru G, Abboud K, Al-Najjar E, Rasheed G, Alkhulaifawi M, Abudayyeh A, Abdelrahim M. Pancreatic Tumorigenesis: Precursors, Genetic Risk Factors and Screening. Curr Oncol 2022; 29:8693-8719. [PMID: 36421339 PMCID: PMC9689647 DOI: 10.3390/curroncol29110686] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/09/2022] [Accepted: 11/14/2022] [Indexed: 11/17/2022] Open
Abstract
Pancreatic cancer (PC) is a highly malignant and aggressive tumor. Despite medical advancement, the silent nature of PC results in only 20% of all cases considered resectable at the time of diagnosis. It is projected to become the second leading cause in 2030. Most pancreatic cancer cases are diagnosed in the advanced stages. Such cases are typically unresectable and are associated with a 5-year survival of less than 10%. Although there is no guideline consensus regarding recommendations for screening for pancreatic cancer, early detection has been associated with better outcomes. In addition to continued utilization of imaging and conventional tumor markers, clinicians should be aware of novel testing modalities that may be effective for early detection of pancreatic cancer in individuals with high-risk factors. The pathogenesis of PC is not well understood; however, various modifiable and non-modifiable factors have been implicated in pancreatic oncogenesis. PC detection in the earlier stages is associated with better outcomes; nevertheless, most oncological societies do not recommend universal screening as it may result in a high false-positive rate. Therefore, targeted screening for high-risk individuals represents a reasonable option. In this review, we aimed to summarize the pathogenesis, genetic risk factors, high-risk population, and screening modalities for PC.
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Affiliation(s)
- Mohamed Badheeb
- Internal Medicine Department, College of Medicine, Hadhramout University, Mukalla 50512, Yemen
| | | | - Abdullah Esmail
- Section of GI Oncology, Department of Medical Oncology, Houston Methodist Cancer Center, Houston, TX 77030, USA
- Correspondence: (A.E.); (M.A.)
| | - Godsfavour Umoru
- Department of Pharmacy, Houston Methodist Hospital, Houston, TX 77030, USA
| | - Karen Abboud
- Department of Pharmacy, Houston Methodist Hospital, Houston, TX 77030, USA
| | - Ebtesam Al-Najjar
- Faculty of Medicine and Health Sciences, University of Science and Technology, Sana’a 15201, Yemen
| | - Ghaith Rasheed
- Faculty of Medicine, The Hashemite University, Zarqa 13133, Jordan
| | | | - Ala Abudayyeh
- Section of Nephrology, Division of Internal Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Maen Abdelrahim
- Section of GI Oncology, Department of Medical Oncology, Houston Methodist Cancer Center, Houston, TX 77030, USA
- Weill Cornell Medical College, New York, NY 14853, USA
- Cockrell Center for Advanced Therapeutic Phase I Program, Houston Methodist Research Institute, Houston, TX 77030, USA
- Correspondence: (A.E.); (M.A.)
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Liu B, Tang N, Yao Y, Li H, Xu L, Zhou B, Liu B. Steroid treatment response combined with serological mark in differentiating type-1 autoimmune pancreatitis from pancreatic cancer. Medicine (Baltimore) 2022; 101:e31660. [PMID: 36397434 PMCID: PMC9666219 DOI: 10.1097/md.0000000000031660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 10/13/2022] [Indexed: 11/19/2022] Open
Abstract
Autoimmune pancreatitis (AIP) and pancreatic cancer (PC) are two different diseases. Their diagnosis, treatment, and prognosis are different, and it is difficult to differentiate them. This study aimed to explore the role of steroid treatment response combined with serological mark in distinguishing type-1 AIP from PC. Clinical data were collected and compared from 50 cases of AIP (group 1) and 100 cases of PC (group 2). The diagnostic value of serum IgG4, CA19-9, globulin, and eosinophil cell (EC) were evaluated. The response of steroid treatment of 28 patients with atypical imaging in group 1 was analyzed. After 2 weeks, the patients were classified as positive and negative steroid response according to the manifestations and/or the radiological changes. The positive response cases (n = 20) were confirmed as AIP, whereas negative ones (n = 8) were finally diagnosed as PC after complete resection. Serum globulin, IgG4, and EC levels in group 1 were significantly higher than those in group 2 (P < .01), and CA19-9 levels were distinctly lower in group 1 (P < .01). The level of serum IgG4 was related to the accuracy of diagnosis of AIP on the basis of the result of logistic regression analysis. Two-weeks steroid therapy response combined with serum IgG4 levels contribute to the differential diagnosis AIP and PC. However, regular and long-term follow-up were important for the differential diagnosis. There was an urgent need to explore the specific markers that distinguish these 2 entities.
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Affiliation(s)
- Bingqian Liu
- Department of Rheumatology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Ning Tang
- Department of Nutrition, Weifang People’s Hospital, Shandong Province, China
| | - Yuan Yao
- Department of Rheumatology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Hua Li
- Department of Rheumatology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Lishan Xu
- Department of Rheumatology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Bin Zhou
- Department of Biliary and Pancreatic Surgery, Department of Retroperitoneal Tumor Surgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Bin Liu
- Department of Rheumatology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
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Analysis of Clinical, Serological, and Imaging Features of Autoimmune Pancreatitis and a Case-Control Study on Prognostic Factors in Response to Hormone Therapy. CONTRAST MEDIA & MOLECULAR IMAGING 2022; 2022:4829467. [PMID: 35854780 PMCID: PMC9288312 DOI: 10.1155/2022/4829467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 05/23/2022] [Indexed: 11/17/2022]
Abstract
Objective The paper aimed to analyze the clinical, serological, and imaging features of autoimmune pancreatitis (AIP) and the prognostic factors affecting hormone therapy. Methods A total of 106 patients with AIP enrolled in our hospital from March 2016 to August 2018 were treated with the hormone. The curative effect and recurrence were followed up. The patients were divided into relapse group (n = 42) and nonrelapse group (n = 64) according to the recurrence within 3 years after initial hormone therapy. The symptoms and signs, laboratory examination, and treatment were compared, and binary logistic regression was employed to explore the risk factors of AIP recurrence. Results Among the 106 patients included in this study, there were 78 males and 28 females, with a male-to-female ratio of 3:1. The average age of onset was 56.25 ± 8.87 years; the minimum age was 39 years; and the maximum age was 7 years. The main clinical symptoms were jaundice (67.92%), abdominal pain (48.11%), and abdominal distension (33.96%). In addition, there were symptoms of weight loss, nausea, vomiting, itching, and gray stool. Previous complications included 27.35% diabetes (29/106), 22.64% hypertension (24/106), 35.84% smoking (38/106), and 28.30% alcohol consumption (30/106). The serological characteristics were mainly the increase in serum IgG4 level; 92.45% (98/106) level was higher compared to the upper limit of normal value; the median level was 11.65 g/L; and the highest level was 35.79 g/L. A total of 88.67% (94/106) had an abnormal liver function. The results of imaging examination indicated that 58.49% (62/106) of extrapancreatic organs were involved, of which 46.22% (49/106) were the most common bile duct involvement. All the patients in the group reached a state of remission after hormone treatment. After the disease was relieved, the patients were followed up for 3 years. The recurrence rate was 39.62% (42/106), and the median time of recurrence (month) was 9 (range 2–36). The recurrence rates within 1, 2, and 3 years were 20.75%, 31.13%, and 39.62%, respectively. Among the recurrent patients, 52.38% (22/42) relapsed within 1 year, 78.57% (33/42) within 2 years, and 100.00% (42/42) within 3 years. Multivariate analysis showed that the short duration of glucocorticoid therapy and involvement of extrapancreatic organs were risk factors for relapse after glucocorticoid therapy in patients with type I AIP. Conclusion Type 1 AIP is more common in middle-aged and elderly men. The clinical symptoms of jaundice, abdominal pain, and abdominal distension are common, often accompanied by involvement of extrapancreatic organs, of which bile duct involvement is the most common. Type 1 AIP glucocorticoid treatment acceptance and disease remission are better, but the recurrence rate is higher after glucocorticoid treatment. Patients with a short time of glucocorticoid treatment and involvement of extrapancreatic organs may have a higher risk of recurrence.
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Yan S, Peng Y, Cheng L, Li H, Zhan H, Zhang X, Li Z, Zhang W, Li Y. A Unified Serum IgG4 Cutoff Level for the Diagnosis of IgG4-Related Disease Using a Wide Array of Kits. Mod Rheumatol 2022; 33:594-598. [PMID: 35570374 DOI: 10.1093/mr/roac047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 04/25/2022] [Accepted: 05/11/2022] [Indexed: 11/13/2022]
Abstract
Abstract
Objectives
An IgG4 level above 1350 mg/L is one of the comprehensive criteria for the diagnosis of IgG4-related disease (IgG4-RD). The purpose of this study was to evaluate the differences in IgG4 levels determined using reagents from two main manufacturers and their concordance with clinical diagnosis.
Methods
IgG4 levels were measured in 309 patients, including 146, 40, 42, 41, and 40 patients with untreated IgG4-RD, pancreatic cancer, primary Sjogren syndrome, systemic lupus erythematosus, and idiopathic retroperitoneal fibrosis, respectively, and 141 healthy controls. The results obtained using the Binding Site and Siemens reagents were compared in patients with IgG4-RD.
Results
The serum IgG4 level measured using the Siemens reagent was almost two times that measured using the Binding Site reagent. The rate of IgG4-negative patients, which was 19.9% based on measurement using the Binding Site reagent, was only 4.8% based on measurement using the Siemens reagent (P < 0.001).
Conclusions
There were significant differences in serum IgG4 levels based on commonly used reagents from different manufacturers. The IgG4 cutoff level of 1350 mg/L was not suitable for all detection reagents. Clinicians and patients should be cognizant of these differences associated with the specific detection reagents when evaluating the test results.
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Affiliation(s)
- Songxin Yan
- Department of Clinical Laboratory, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Yu Peng
- Department of Rheumatology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - linlin Cheng
- Department of Clinical Laboratory, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Haolong Li
- Department of Clinical Laboratory, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Haoting Zhan
- Department of Clinical Laboratory, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Xinyao Zhang
- Department of Clinical Laboratory, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Zepeng Li
- Department of Clinical Laboratory, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Wen Zhang
- Department of Rheumatology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Yongzhe Li
- Department of Clinical Laboratory, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
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IgG4-related hypophysitis: a retrospective cohort study. Acta Neurochir (Wien) 2022; 164:2095-2103. [PMID: 35532784 PMCID: PMC9338115 DOI: 10.1007/s00701-022-05231-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 04/28/2022] [Indexed: 01/05/2023]
Abstract
Purpose IgG4-related hypophysitis (IgG4-RH) is a rare chronic inflammatory condition of the pituitary gland. This study reports the presentation, management and outcomes for patients with histologically proven IgG4-related hypophysitis. Methods A prospectively maintained electronic database was searched over a 14-year period from 1 January 2007 to 31 December 2020 at a single academic centre to identify all patients with a histological diagnosis of IgG4-RH. A retrospective case note review from electronic health records was conducted for each case to extract data on their presentation, management and outcomes. Results A total of 8 patients (5 male) with a median age of 51 years were identified. The most common presenting symptoms were headache (4/8; 50%), fatigue (3/8; 37.5%) and visual impairment (2/8; 25%). Three patients were initially treated with high-dose steroids aiming for reduction of the pituitary mass. However, ultimately all patients underwent transsphenoidal surgery. Post-operative changes included radiological reduction in pituitary mass in all patients that had imaging (7/7; 100%), improvement in vision (1/2; 50%), residual thick pituitary stalk (5/7; 71.4%), persistent anterior hypopituitarism (4/8; 50%) and panhypopopituitarism including diabetes insipidus (3/8; 37.5%). Conclusions IgG4-RH is an increasingly recognised entity presenting with a variety of symptoms and signs. Clinical presentation is similar to other forms of hypophysitis. It is therefore important to consider IgG4-RH as a differential and to have a low threshold for pituitary biopsy, the diagnostic gold standard. The diagnosis of IgG4-RH will guide decisions for additional workup for IgG4-related disease, multi-disciplinary team involvement and follow-up.
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Poole H, Fehily S, McKelvie P, Miller A, Lust M, Holmes JA. Isolated esophageal IgG4-related disease presenting with progressive dysphagia and weight loss in a middle-aged man. Clin J Gastroenterol 2022; 15:526-530. [PMID: 35381953 DOI: 10.1007/s12328-022-01623-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Accepted: 03/09/2022] [Indexed: 10/18/2022]
Abstract
Immunoglobulin G4-related disease (IgG4-RD) is an increasingly recognized immune-mediated condition that results in inflammation, stricturing and mass formation. It causes a wide spectrum of disease and clinical presentations depending on the organ system involved. Isolated esophageal IgG4-RD is rare and diagnosis can be difficult. It is highly responsive to corticosteroids, and early identification and instigation of management is key.We describe the case of a 47-year-old man who presented with a food bolus obstruction on a background of progressive dysphagia and weight loss. Imaging and gastroscopy demonstrated diffuse esophageal thickening with a benign appearing stricture. Following non-specific histologic findings on biopsy and a non-diagnostic endoscopic ultrasound guided fine needle aspiration, he underwent video-assisted thoracoscopic surgery with esophageal core biopsy. This confirmed the diagnosis of IgG4-RD. Initial treatment was with corticosteroids. However, due to recurrence of symptoms upon weaning of corticosteroids, azathioprine maintenance therapy was instituted. Azathioprine has previously been used in systemic cases of IgG4-RD but has not been reported for isolated esophageal disease.This case highlights the difficulties in the diagnosis and treatment of esophageal IgG4-RD and the need to consider it as a differential diagnosis when histology reveals esophagitis with lymphoplasmacytic infiltration.
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Affiliation(s)
- Hannah Poole
- St Vincent's Hospital Melbourne, 40 Victoria Pde, Fitzroy, VIC 3065, Australia.
| | - Sasha Fehily
- Department of Gastroenterology, St Vincent's Hospital Melbourne, 40 Victoria Pde, Fitzroy, VIC 3065, Australia
| | - Penelope McKelvie
- Anatomical Pathology, St Vincent's Hospital Melbourne, 40 Victoria Pde, Fitzroy, VIC 3065, Australia.,Department of Pathology, University of Melbourne, Melbourne, Australia
| | - Ashley Miller
- St Vincent's Hospital Melbourne, 40 Victoria Pde, Fitzroy, VIC 3065, Australia
| | - Mark Lust
- Department of Gastroenterology, St Vincent's Hospital Melbourne, 40 Victoria Pde, Fitzroy, VIC 3065, Australia
| | - Jacinta Alison Holmes
- Department of Gastroenterology, St Vincent's Hospital Melbourne, 40 Victoria Pde, Fitzroy, VIC 3065, Australia.,University of Melbourne, Melbourne, Australia
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Löhr JM, Vujasinovic M, Rosendahl J, Stone JH, Beuers U. IgG4-related diseases of the digestive tract. Nat Rev Gastroenterol Hepatol 2022; 19:185-197. [PMID: 34750548 DOI: 10.1038/s41575-021-00529-y] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/22/2021] [Indexed: 12/15/2022]
Abstract
IgG4-related conditions affecting the digestive tract are part of a multi-organ fibro-inflammatory disorder termed IgG4-related disease (IgG4-RD), with autoimmune pancreatitis and IgG4-related cholangitis being the most prominent manifestations. Gastrointestinal symptoms include jaundice, weight loss, abdominal pain, biliary strictures, and pancreatic and hepatic masses that mimic malignant diseases. IgG4-RD manifestations occur less frequently elsewhere in the digestive tract, namely in the oesophagus, retroperitoneum or intestine. Evidence-based European guidelines frame the current state-of-the-art in the diagnosis and management of IgG4-related digestive tract disease. Diagnosis is based on histology (if available), imaging, serology, other organ involvement and response to therapy (HISORt criteria). Few biomarkers beyond serum IgG4 concentrations are reliable. The first-line therapy (glucocorticoids) is swiftly effective but disease flares are common at low doses or after tapering. Second-line therapy might consist of other immunosuppressive drugs such as thiopurines or rituximab. Further trials, for example, of anti-CD19 drugs, are ongoing. Although an association between IgG4-RD and the development of malignancies has been postulated, the true nature of this relationship remains uncertain at this time.
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Affiliation(s)
- J-Matthias Löhr
- Department for Upper Digestive Diseases, Karolinska University Hospital and Karolinska Institutet, Stockholm, Sweden.
| | - Miroslav Vujasinovic
- Department for Upper Digestive Diseases, Karolinska University Hospital and Karolinska Institutet, Stockholm, Sweden
| | - Jonas Rosendahl
- Department of Internal Medicine I, Martin Luther University, Halle, Germany
| | - John H Stone
- Division of Rheumatology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Ulrich Beuers
- Department of Gastroenterology & Hepatology, Amsterdam University Medical Centers, Location AMC, Amsterdam, Netherlands
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Ramon A, Greigert H, Ornetti P, Bonnotte B, Samson M. Mimickers of Large Vessel Giant Cell Arteritis. J Clin Med 2022; 11:jcm11030495. [PMID: 35159949 PMCID: PMC8837104 DOI: 10.3390/jcm11030495] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 01/15/2022] [Accepted: 01/17/2022] [Indexed: 01/27/2023] Open
Abstract
Giant cell arteritis (GCA) is a large-vessel granulomatous vasculitis occurring in patients over 50-year-old. Diagnosis can be challenging because there is no specific biological test or other diagnoses to consider. Two main phenotypes of GCA are distinguished and can be associated. First, cranial GCA, whose diagnosis is usually confirmed by the evidence of a non-necrotizing granulomatous panarteritis on temporal artery biopsy. Second, large-vessel GCA, whose related symptoms are less specific (fever, asthenia, and weight loss) and for which other diagnoses must be implemented if there is neither cephalic GCA nor associated polymyalgia rheumatica (PMR) features chronic infection (tuberculosis, Coxiella burnetti), IgG4-related disease, Erdheim Chester disease, and other primary vasculitis (Behçet disease, relapsing polychondritis, or VEXAS syndrome). Herein, we propose a review of the main differential diagnoses to be considered regarding large vessel vasculitis.
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Affiliation(s)
- André Ramon
- Rheumatology Department, Dijon-Bourgogne University Hospital, 21000 Dijon, France;
- INSERM, EFS BFC, UMR 1098, RIGHT Graft-Host-Tumor Interactions/Cellular and Genetic Engineering, Bourgogne Franche-Comté University, 21000 Dijon, France; (H.G.); (B.B.); (M.S.)
- Correspondence:
| | - Hélène Greigert
- INSERM, EFS BFC, UMR 1098, RIGHT Graft-Host-Tumor Interactions/Cellular and Genetic Engineering, Bourgogne Franche-Comté University, 21000 Dijon, France; (H.G.); (B.B.); (M.S.)
- Internal Medicine and Clinical Immunology Department, Dijon-Bourgogne University Hospital, 21000 Dijon, France
- Vascular Medicine Department, Dijon-Bourgogne University Hospital, 21000 Dijon, France
| | - Paul Ornetti
- Rheumatology Department, Dijon-Bourgogne University Hospital, 21000 Dijon, France;
- INSERM, CIC 1432, Clinical Investigation Center, Plurithematic Module, Technological Investigation Platform, Dijon-Bourgogne University Hospital, 21000 Dijon, France
- INSERM UMR 1093-CAPS, Bourgogne Franche-Comté University, UFR des Sciences et Du Sport, 21000 Dijon, France
| | - Bernard Bonnotte
- INSERM, EFS BFC, UMR 1098, RIGHT Graft-Host-Tumor Interactions/Cellular and Genetic Engineering, Bourgogne Franche-Comté University, 21000 Dijon, France; (H.G.); (B.B.); (M.S.)
- Internal Medicine and Clinical Immunology Department, Dijon-Bourgogne University Hospital, 21000 Dijon, France
| | - Maxime Samson
- INSERM, EFS BFC, UMR 1098, RIGHT Graft-Host-Tumor Interactions/Cellular and Genetic Engineering, Bourgogne Franche-Comté University, 21000 Dijon, France; (H.G.); (B.B.); (M.S.)
- Internal Medicine and Clinical Immunology Department, Dijon-Bourgogne University Hospital, 21000 Dijon, France
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Duggal L, Singh BG, Patel J, Gupta M, Grover AK, Jain N. IgG4-Related Disease: A Clinical Case Series From a Tertiary Care Center in India. J Clin Rheumatol 2022; 28:e56-e62. [PMID: 33105313 DOI: 10.1097/rhu.0000000000001591] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
AIM Immunoglobulin G4-related disease (IgG4-RD) is often an unrecognized, rare fibroinflammatory condition that can involve various organ systems. This study aimed to identify the different clinical patterns of this disease in a single center in North India. METHODS Patients were diagnosed on the basis of published diagnostic criteria for IgG4-RD. Patients' presenting complaints; epidemiologic profiles; and laboratory, radiologic, and histologic findings along with the treatment and outcomes were collected and analyzed. RESULTS In total, 70 patients were diagnosed with the disease. The female-to-male ratio was 0.94:1, and it increased with multiorgan involvement. The mean age of patients was 41.4 years, and the majority of the patients (65.7%) were younger than 50 years. Patients were diagnosed as possible (38.57%), probable (32.85%), and definite (28.57%) IgG4-RD. The incidence of the involvement of orbital and periorbital tissues was the highest (52.9%); however, 13% of the patients had multiple organ involvement. Patients with involvement of the retroperitoneal tissues and the lymph nodes were 8.5% and 5.7%, respectively. Increased serum IgG4 levels were found in 74.3% of the patients with single-organ involvement, whereas all patients with multiorgan involvement had increased IgG4 levels. The majority of patients (94.3%) required immunosuppressive medications along with corticosteroids. Azathioprine was the most commonly used (72.8%) immunosuppressive medication. Rituximab was used in 17.1% of the patients, of whom only one had multisystem involvement. CONCLUSIONS This study depicts the most common patterns of organ involvement, along with the epidemiologic, laboratory, histologic, and radiologic data and response to treatment, in IgG4-RD, with a definite ophthalmology referral bias.
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Zeng Z, Gao S, Lu X. A rare case of IgG4-related disease masquerading as periurethral malignancy and review of the literature. Front Immunol 2022; 13:1077609. [PMID: 36798519 PMCID: PMC9927005 DOI: 10.3389/fimmu.2022.1077609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Accepted: 12/19/2022] [Indexed: 02/03/2023] Open
Abstract
Immunoglobulin G4-related disease (IgG4-RD) is an immune-mediated fibroinflammatory disease that typically manifests as mass lesions affecting almost any organ including the pancreas, lacrimal and salivary glands, liver, lung and kidney. However, IgG4-RD with urethra involvement is scarce. We describe a rare case of IgG4-RD involving the urethra mimicking urethral carcinoma and review the published literature. A 64-years-old female presented with progressive dysuria for more than 2 months. Pelvic gadolinium-enhanced magnetic resonance imaging revealed a huge mass encasing the urethra which showed obvious enhancement in the arterial phase. And contrast-enhanced ultrasound showed that the entire mass was heterogeneously enhanced and displayed a fast-forward and fast-out pattern, which was highly suggestive of malignant tumor. The diagnosis of IgG4-RD was finally established by ultrasound-guided transvaginal mass needle biopsy. The patient was treated with methylprednisolone and cyclophosphamide and dysuria disappeared in the first week of therapy. She has been followed up in our clinic for 1 year without recurrence. The diagnosis of IgG4-RD should be considered in the differential diagnosis of a periurethral mass. Ultrasound-guided transvaginal mass needle biopsy is a safe and well-established tissue sampling method and should be performed in order to avoid unnecessary surgery.
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Affiliation(s)
- Zhiru Zeng
- Department of Rheumatology, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Shasha Gao
- Department of Endocrinology and Rheumatology, Anji Traditional Chinese Medical Hospital, Huzhou, Zhejiang, China
| | - Xiaoyong Lu
- Department of Rheumatology, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
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Patterson KN, Trout AT, Shenoy A, Abu-El-Haija M, Nathan JD. Solid pancreatic masses in children: A review of current evidence and clinical challenges. Front Pediatr 2022; 10:966943. [PMID: 36507125 PMCID: PMC9732489 DOI: 10.3389/fped.2022.966943] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Accepted: 11/03/2022] [Indexed: 11/26/2022] Open
Abstract
Pancreatic tumors in children are infrequently encountered in clinical practice. Their non-specific clinical presentation and overlapping imaging characteristics often make an accurate preoperative diagnosis difficult. Tumors are categorized as epithelial or non-epithelial, with epithelial tumors further classified as tumors of the exocrine or endocrine pancreas. Although both are tumors of the exocrine pancreas, solid pseudopapillary neoplasm is the most prevalent solid pancreatic tumor in children, while pancreatoblastoma is the most common malignant tumor. Insulinoma is the most common pediatric pancreatic tumor of the endocrine pancreas. Malignant tumors require a complete, often radical, surgical resection. However, pancreatic parenchyma-sparing surgical procedures are utilized for benign tumors and low-grade malignancy to preserve gland function. This review will discuss the epidemiology, pathophysiology, clinical and diagnostic characteristics, and management options associated with both common and rare solid pancreatic masses in children. We will also discuss current challenges encountered in their evaluation and treatment.
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Affiliation(s)
- Kelli N Patterson
- Center for Surgical Outcomes Research, Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, OH, United States
| | - Andrew T Trout
- Department of Radiology, Cincinnati Children's Hospital Medical Center, Departments of Radiology and Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, United States
| | - Archana Shenoy
- Department of Pathology and Laboratory Medicine, Nationwide Children's Hospital, Department of Pathology, The Ohio State University College of Medicine, Columbus, OH, United States
| | - Maisam Abu-El-Haija
- Division of Gastroenterology, Hepatology and Nutrition, Cincinnati Children's Hospital Medical Center, Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, United States
| | - Jaimie D Nathan
- Department of Abdominal Transplant and Hepatopancreatobiliary Surgery, Nationwide Children's Hospital, Department of Surgery, The Ohio State University College of Medicine, Columbus, OH, United States
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38
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Lu S, Liang J, Liao S, Wu D, Wu F, Li H. Use of MRI signal intensity ratio to differentiate between autoimmune pancreatitis and pancreatic ductal adenocarcinoma. Clin Radiol 2021; 77:e84-e91. [PMID: 34756699 DOI: 10.1016/j.crad.2021.10.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 10/01/2021] [Indexed: 11/03/2022]
Abstract
AIM To evaluate the accuracy of the lesion-to-erector spinae signal intensity ratio (SIR) on magnetic resonance imaging (MRI) for distinguishing autoimmune pancreatitis (AIP) from pancreatic ductal adenocarcinoma (PDA). MATERIALS AND METHODS The MRI data of 21 patients with AIP and 27 patients with PDA were analysed retrospectively, and the signal intensity in pancreatic lesions and erector spinae muscles at the same level on T2-weighted imaging (T2WI), arterial phase (AP) imaging, and delayed phase (DP) imaging was measured for calculation of SIRs. RESULTS The mean SIRs of the pancreatic lesions and erector spinae from T2WI, AP, and DP images of AIP patients were 0.96, 1.27, and 1.42, respectively, while those of PDA patients were 1.35, 0.80, and 0.91, respectively. The differences in the SIRs between the AIP and PDA groups were statistically significant (p<0.001), with corresponding area under curve (AUC) values of 0.925, 0.906, and 0.961, respectively. The optimal cut-off values for the SIRs on T2WI, AP and DP images were 1.21, 1.01, and 1.08, respectively. SIR values < 1.21 on T2WI, >1.01 on AP imaging, and >1.08 on DP imaging identified AIP with sensitivities of 85.7%, 90.5%, and 90.5%, respectively, and specificities of 81.5%, 74.6%, and 81.5%, respectively. The AUC values for SIRs did not differ significantly between T2WI and DP imaging or AP and DP imaging (Z = 0.778, p=0.436; Z = 1.279, p=0.201). CONCLUSION The SIRs of pancreatic lesions and erector spinae on T2WI, AP, and DP images can be used to differentiate AIP from PDA.
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Affiliation(s)
- S Lu
- Department of Radiology, The First Affiliated Hospital of Jinan University, Guangzhou, 510630, China; Department of Radiology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China
| | - J Liang
- Department of Radiology, Shenzhen Baoan Hospital, Southern Medical University, Shenzhen, 518101, China
| | - S Liao
- Department of Radiology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China
| | - D Wu
- Department of Radiology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China
| | - F Wu
- Department of Radiology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China
| | - H Li
- Department of Radiology, The First Affiliated Hospital of Jinan University, Guangzhou, 510630, China.
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Lee NJ, Glockner JF. Multisystem IgG4-related disease involving the abdomen and coronary arteries and causing chronic abdominal pain. Acta Radiol Open 2021; 10:20584601211044989. [PMID: 34603747 PMCID: PMC8485284 DOI: 10.1177/20584601211044989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 08/23/2021] [Indexed: 11/17/2022] Open
Abstract
IgG4-related disease was originally discovered in patients with autoimmune pancreatitis accompanied by elevated serum IgG4 levels and has subsequently been described in almost every organ system. IgG4-related disease presents with a variety of symptoms according to the organ affected and may be accompanied by serious complications such as organ dysfunction associated with IgG4-positive cell proliferation. We report a case of IgG4-related abdominal disease in a patient who also had involvement of the coronary artery.
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40
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Primitivo A, Oliveira MH, Gonçalves A. IgG4-related hepatic inflammatory pseudotumour: could MRI suggest the correct diagnosis? BMJ Case Rep 2021; 14:e244572. [PMID: 34426430 PMCID: PMC8383849 DOI: 10.1136/bcr-2021-244572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/08/2021] [Indexed: 11/04/2022] Open
Abstract
We report a case of a 62-year-old woman, HIV positive, with a 3-week history of jaundice and elevated cholestatic enzymes. Imaging studies displayed intrahepatic biliary dilatation and a central liver lesion. Pathology described lesions of active cholangitis, lymphoplasmacytic infiltration and fibrosis, suggesting a hepatic inflammatory pseudotumour (IPT) IgG4 related. IgG4-related lymphoplasmacytic form of IPT belongs to IgG4-related diseases. We discuss the importance to include IgG4-related hepatic IPT as part of the differential diagnosis of any liver lesion, highlighting potential imaging clues that may help in establishing the correct diagnosis.
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Affiliation(s)
- Ana Primitivo
- Radiology, Hospital Beatriz Ângelo, Loures, Portugal
| | | | - Afonso Gonçalves
- Radiology, Hospital Beatriz Ângelo, Loures, Portugal
- Radiology, Hospital Garcia de Orta EPE, Almada, Portugal
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41
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Kinugawa Y, Uehara T, Iwaya M, Asaka S, Kobayashi S, Nakajima T, Komatsu M, Yasuo M, Yamamoto H, Ota H. IL-6 expression helps distinguish Castleman's disease from IgG4-related disease in the lung. BMC Pulm Med 2021; 21:219. [PMID: 34246246 PMCID: PMC8272341 DOI: 10.1186/s12890-021-01603-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 05/31/2021] [Indexed: 11/26/2022] Open
Abstract
Background It is difficult to distinguish between multicentric Castleman’s disease (MCD) and IgG4-related lung disease (IgG4-LD), an IgG4-related disease (IgG4-RD) in the lung. Methods We focused on IL-6, which is elevated in MCD, to distinguish between MCD and IgG4-LD by RNAscope, a highly sensitive RNA in situ method. Six cases of MCD and four cases of IgG4-LD were selected. Results In all cases of MCD and IgG4-LD, 10 or more IgG4-positive cells were found in one high-power field. All MCD cases were inconsistent with the pathological IgG4-related comprehensive diagnostic criteria, but 2 of 6 cases had an IgG4/IgG ratio greater than 40%. In all IgG4-LD cases, histological features were consistent with the pathological IgG4-RD comprehensive diagnostic criteria. IL-6 expression was observed in all MCD and IgG4-LD cases except for one IgG4-LD biopsy. IL-6-expressing cells were mainly identified in the stroma. Sites of IL-6 expression were not characteristic and were sparse. IL-6 expression tended to be higher in MCD compared with IgG4-LD. A positive correlation was found between the IL-6 H-score and serum IL-6 level. Conclusion Differences in IL-6 expression may help distinguish between MCD and IgG4-LD. In addition, the presence of high IL-6 levels may help elucidate the pathological mechanisms of IgG4-LD.
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Affiliation(s)
- Yasuhiro Kinugawa
- Department of Laboratory Medicine, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Takeshi Uehara
- Department of Laboratory Medicine, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan.
| | - Mai Iwaya
- Department of Laboratory Medicine, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Shiho Asaka
- Department of Laboratory Medicine, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Shota Kobayashi
- Department of Laboratory Medicine, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Tomoyuki Nakajima
- Department of Laboratory Medicine, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Masamichi Komatsu
- First Department of Internal Medicine, Shinshu University School of Medicine, Matsumoto, Japan
| | - Masanori Yasuo
- First Department of Internal Medicine, Shinshu University School of Medicine, Matsumoto, Japan
| | - Hiroshi Yamamoto
- First Department of Internal Medicine, Shinshu University School of Medicine, Matsumoto, Japan
| | - Hiroyoshi Ota
- Department of Laboratory Medicine, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, 390-8621, Japan.,Department of Biomedical Laboratory Medicine, Shinshu University School of Medicine, Matsumoto, Japan
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42
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Atienza-Mateo B, Díaz de Terán-López T, Gómez-Román J, Sánchez L, Mons-Lera R, Rubio-Suárez A, Cifrián JM, González-Gay MÁ. Atypical presentation of immunoglobulin G4-related disease as subglottic stenosis: a case-based review. Rheumatol Int 2021; 41:1161-1167. [PMID: 33834281 PMCID: PMC8079302 DOI: 10.1007/s00296-021-04816-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 02/16/2021] [Indexed: 12/02/2022]
Abstract
Immunoglobulin G4-related disease (IgG4-RD) is a recently recognized fibro-inflammatory pathology that has been reported to affect principally the retroperitoneum, hepatobiliary system, salivary glands, orbital structures or lymph nodes. However, IgG4-RD with laryngeal involvement is a very rare entity. Our aims were to describe a case of subglottic stenosis as first and only manifestation of IgG4-RD and review the literature. A patient with IgG4-RD affecting the larynx that presented as subglottic stenosis is described. A MEDLINE database search of IgG4-RD cases with laryngopharyngeal manifestations was also conducted. A 30-year-old Caucasian woman was referred to a tertiary care hospital for dyspnea on exertion, which had been increasing for the last 4 months. Medical and surgical procedures revealed a subglottic stenosis, with a histological finding of IgG4 positive plasma cell infiltration. There was no evidence of other organ involvement. She was successfully treated with oral glucocorticoids and rituximab infusions. Glucocorticoids were rapidly tapered and the rituximab regimen was optimized, with no evidence of relapses. In the literature review, we found a total of 12 reported cases with laryngopharyngeal involvement, two of them with subglottic stenosis. IgG4-RD of the larynx is rare but should be considered after excluding more common disorders.
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Affiliation(s)
- Belén Atienza-Mateo
- Division of Rheumatology, Hospital Universitario Marqués de Valdecilla, Avda. Valdecilla s/n, 39008, Santander, Spain.,Epidemiology, Genetics and Atherosclerosis Research Group On Systemic Inflammatory Diseases, IDIVAL, Santander, Spain
| | | | - Javier Gómez-Román
- Division of Pathology, Hospital Universitario Marqués de Valdecilla, Santander, Spain.,University of Cantabria - IDIVAL, Santander, Spain
| | - Laura Sánchez
- Division of Thoracic Surgery, Hospital Universitario Marqués de Valdecilla, Santander, Spain
| | - Roberto Mons-Lera
- Division of Thoracic Surgery, Hospital Universitario Marqués de Valdecilla, Santander, Spain
| | - Antonio Rubio-Suárez
- Division of Otorhinolaryngology, Hospital Universitario Marqués de Valdecilla, Santander, Spain
| | - José Manuel Cifrián
- Epidemiology, Genetics and Atherosclerosis Research Group On Systemic Inflammatory Diseases, IDIVAL, Santander, Spain.,Division of Pulmonology, Hospital Universitario Marqués de Valdecilla, Santander, Spain.,University of Cantabria - IDIVAL, Santander, Spain
| | - Miguel Á González-Gay
- Division of Rheumatology, Hospital Universitario Marqués de Valdecilla, Avda. Valdecilla s/n, 39008, Santander, Spain. .,Epidemiology, Genetics and Atherosclerosis Research Group On Systemic Inflammatory Diseases, IDIVAL, Santander, Spain. .,University of Cantabria - IDIVAL, Santander, Spain. .,Cardiovascular Pathophysiology and Genomics Research Unit, School of Physiology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa.
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43
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Vasaitis L, Wikström J, Ahlström S, Gudjonsson O, Kumlien E, Edén Engström B, Casar-Borota O. Histopathological findings in the landscape of IgG4-related pathology in patients with pituitary dysfunction: Review of six cases. J Neuroendocrinol 2021; 33:e12942. [PMID: 33615590 DOI: 10.1111/jne.12942] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 01/05/2021] [Accepted: 01/19/2021] [Indexed: 12/18/2022]
Abstract
IgG4-related hypophysitis (IgG4-RH) is increasingly being reported as an isolated entity or, less frequently, as a manifestation of a multiorgan IgG4-related disease (IgG4-RD), in which typical histopathology is a cornerstone for the diagnosis. We aimed to describe the histopathological changes in the surgical specimens from patients with clinical signs of pituitary disease that fulfilled the current diagnostic criteria for IgG4-RH. Histopathological features were correlated with clinical and radiological findings. Of 19 patients with pituitary dysfunction and inflammatory changes in the surgical pituitary specimen operated on during 2011-2019, we identified five patients with typical IgG4-related pathology (lymphoplasmacytic infiltration with more than 10 IgG4-positive plasma cells per one high power microscopic field, representing at least 40% of all plasma cells and at least focal storiform fibrosis). One patient with diabetes insipidus and pachymeningitis with IgG4-related changes in a biopsy from the dura was also included. Additional histopathological changes that typically are not part of the IgG4-RH were observed: Rathke's cleft cyst in four and granulomatous changes in two patients. One patient had an elevated serum IgG4 level and systemic manifestations that could be associated with the systemic IgG4-RD. Our findings indicate that pure IgG4-RH is uncommon. All patients with pituitary dysfunction, beyond typical IgG4-related pathology, had other pathological findings that could trigger the secondary IgG4-response. Both primary pathology and secondary IgG4-related features should be reported in patients with pituitary dysfunction because their co-occurrence may cause atypical clinical and imaging features, and unexpected response to surgical and pharmacological treatment. The current criteria for the diagnosis of IgG4-RH can lead to overdiagnosis of IgG4-RH if additional pathological changes are not taken into consideration. The classification criteria of IgG4-RD proposed by the American College of Rheumatology/European League Against Rheumatism could help classify patients more properly as IgG4-RH if applied to the pituitary gland.
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Affiliation(s)
- Lilian Vasaitis
- Department of Medical Sciences, Rheumatology, Uppsala University, Uppsala, Sweden
| | - Johan Wikström
- Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - Sengul Ahlström
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
- Department of Clinical Pathology, Uppsala University Hospital, Uppsala, Sweden
| | | | - Eva Kumlien
- Department of Neuroscience, Uppsala University, Uppsala, Sweden
| | - Britt Edén Engström
- Department of Medical Sciences, Endocrinology and Mineral Metabolism, Uppsala University, Uppsala, Sweden
| | - Olivera Casar-Borota
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
- Department of Clinical Pathology, Uppsala University Hospital, Uppsala, Sweden
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44
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IgG4-related disease manifesting as symptoms of appendicitis: Case report and literature review. Clin J Gastroenterol 2021; 14:626-632. [PMID: 33460019 DOI: 10.1007/s12328-020-01337-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 12/29/2020] [Indexed: 10/22/2022]
Abstract
Immunoglobulin G subclass 4 (IgG4)-related disease is a recently described fibroinflammatory condition. Reports of appendix involvement are extremely limited. A young man with abdominal pain and symptoms of acute appendicitis accompanied by the finding of an appendix-dependent tumor during surgery is presented. Histopathological study revealed lymphoplasmocytic infiltrate, storiform fibrosis and obliterative phlebitis. The number of IgG4-positive plasma cells was greater than 50 per high power field. Postsurgical steroid treatment and radiological findings are also described.
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45
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Kim SJ, Lee SU, Kang MS, Ahn JH, Shin J, Park CY, Lee JE. IgG4-related disease presenting as recurrent scleritis combined with optic neuropathy. BMC Ophthalmol 2021; 21:5. [PMID: 33402162 PMCID: PMC7784029 DOI: 10.1186/s12886-020-01774-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Accepted: 12/16/2020] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND We report a case of atypical presentation of IgG4-related disease (IgG4-RD) with recurrent scleritis and optic nerve involvement. CASE PRESENTATION A 61-year-old male presented with ocular pain and injection in his left eye for 2 months. Ocular examination together with ancillary testing led to the diagnosis of scleritis, which relapsed in spite of several courses of steroid treatment. After cessation of steroid, the patient complained of severe retro-orbital pain and blurred vision. His best corrected vision was count finger, the pupil was mid-dilated and a relative afferent pupillary defect was found. Funduscopic examination demonstrated disc swelling. Magnetic resonance imaging (MRI) showed enhancing soft tissue encasing the left globe, medial rectus muscle and optic nerve. Systemic work-up revealed multiple nodules in right lower lung and a biopsy showed histopathological characteristics of IgG4-RD. Long-term treatment with corticosteroids and a steroid-sparing agent (methotrexate) led to significant improvement in signs and symptoms with no recurrence for 2 years. CONCLUSIONS This case highlights the significance of IgG4-RD in the differential diagnosis of recurrent scleritis. IgG4-RD may cause optic neuropathy resulting in visual loss. Early diagnosis and proper treatment can prevent irreversible organ damage and devastating visual morbidity.
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Affiliation(s)
- Su Jin Kim
- Department of Ophthalmology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, 20 Geumo-ro, Mulgeum-eup, Yangsan-si, Gyeongsangnam-do, 50612, South Korea.,Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, South Korea
| | - Seung Uk Lee
- Department of Ophthalmology, School of Medicine, Kosin University, #34 Amnam-dong, Seo-gu, Busan, 602-702, South Korea
| | - Min Seung Kang
- Department of Ophthalmology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, 20 Geumo-ro, Mulgeum-eup, Yangsan-si, Gyeongsangnam-do, 50612, South Korea.,Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, South Korea
| | - Jung Hyo Ahn
- Department of Ophthalmology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, 20 Geumo-ro, Mulgeum-eup, Yangsan-si, Gyeongsangnam-do, 50612, South Korea.,Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, South Korea
| | - Jonghoon Shin
- Department of Ophthalmology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, 20 Geumo-ro, Mulgeum-eup, Yangsan-si, Gyeongsangnam-do, 50612, South Korea.,Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, South Korea
| | - Choul Yong Park
- Department of Ophthalmology, Dongguk University Ilsan Hospital, #27 Dongguk-ro, Ilsandong-gu, Goyang, 10326, South Korea.,Sensory Organ Research Center, Dongguk University, Goyang, South Korea
| | - Ji Eun Lee
- Department of Ophthalmology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, 20 Geumo-ro, Mulgeum-eup, Yangsan-si, Gyeongsangnam-do, 50612, South Korea. .,Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, South Korea.
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46
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Mačinga P, Jarošová J, Špičák J, Hucl T. [Immunoglobulin G4-related disease in gastroenterology]. VNITRNI LEKARSTVI 2021; 67:76-83. [PMID: 34074105 DOI: 10.36290/vnl.2021.018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2025]
Abstract
IgG4-related disease is a recently defined clinical entity that can manifest itself in any organ. The most common gastrointestinal manifestations are diseases of the pancreas (autoimmune pancreatitis type 1) and biliary tree (IgG4-associated cholangitis); involvement of liver parenchyma is uncommon and the affection of tubular organs is very rare. IgG4-related pancreatitis and cholangitis can mimic malignancies in their clinical presentation. Diagnosis is often difficult and requires careful evaluation of the combination of symptoms, serology and imaging findings, while adhering to the established diagnostic criteria. The first line of treatment is the administration of corticoids and the remission is achieved in the vast majority of patients. In case of contraindication, intolerance or failure of corticotherapy, patients should receive B cell depletion therapy (rituximab). Based on the available knowledge, monotherapy with other immunosuppressants is not considered to be sufficiently effective. Some patients may benefit from maintenance treatment to prevent relapse, which is otherwise common in both IgG4-related pancreatitis and cholangitis. Recognized IgG4-related disease has a good prognosis, but some patients develop irreversible fibrotic changes in the affected organ with consequent dysfunction; the possible association of the disease with a higher risk of malignancy has not yet been reliably elucidated.
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47
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Erivwo P, Turashvili G. Pathology of IgG4-related sclerosing mastitis. J Clin Pathol 2020; 74:475-482. [PMID: 33328182 DOI: 10.1136/jclinpath-2020-207029] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 11/15/2020] [Accepted: 12/06/2020] [Indexed: 01/11/2023]
Abstract
Immunoglobulin G4-related sclerosing mastitis (IgG4-RM) is a recently recognised member of the IgG4-related disease (IgG4-RD) family, a multisystem fibroinflammatory condition that can affect any organ system. IgG4-RM is rare and predominantly occurs in middle-aged women. It may present with painless palpable mass and/or lymphadenopathy thereby mimicking breast cancer. Although there is an abundance of literature describing the clinicopathological characteristics of IgG4-RD in a variety of organs, data on IgG4-RM are limited due to its rarity. This review describes the manifestation of the disease in the breast based on reported cases, emphasising the clinicopathological features, pathophysiology, differential diagnosis, treatment and prognosis.
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Affiliation(s)
- Polycarp Erivwo
- Department of Pathology, Memorial University of Newfoundland, St. John's, Newfoundland, Canada
| | - Gulisa Turashvili
- Department of Pathology and Laboratory Medicine, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
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48
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Jandee S, Boonsri P. Atypical Manifestations of IgG4-Related Disease as Multiple Liver Abscesses with Subcapsular Tracts and Migratory Pulmonary Nodules Mimicking Parasitic Infection. Case Rep Gastroenterol 2020; 14:458-466. [PMID: 33173461 PMCID: PMC7588676 DOI: 10.1159/000509501] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Accepted: 06/16/2020] [Indexed: 12/24/2022] Open
Abstract
Immunoglobulin G4-related disease (IgG4-RD) is a fibroinflammatory condition that becomes more recognized as multi-systemic disorders, characterized by three histological hallmarks of IgG4-positive lymphoplasmacytic tissue infiltrate, storiform fibrosis, and obliterative phlebitis. This disease has been reported in virtually every organ system, but the hepatic manifestations remain poorly defined. Moreover, IgG4-RD can mimic many malignancies, inflammatory disorders and infectious diseases. This report revealed IgG4-related liver disease with atypical presentation presenting with multiple liver abscesses and linear tracts mimicking parasitic infection.
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Affiliation(s)
- Sawangpong Jandee
- Gastroenterology and Hepatology Unit, Division of Internal Medicine, Faculty of Medicine, Prince of Songkla University, Songkhla, Thailand
| | - Pattira Boonsri
- Diagnostic Radiology Unit, Division of Radiology, Faculty of Medicine, Prince of Songkla University, Songkhla, Thailand
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49
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Ma X, Xu H, Sun JY, Gedara YSS, Sun F. Idiopathic membranous nephropathy in a patient diagnosed with IgG4-related disease: A case report. Medicine (Baltimore) 2020; 99:e22817. [PMID: 33080759 PMCID: PMC7571987 DOI: 10.1097/md.0000000000022817] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 09/12/2020] [Accepted: 09/21/2020] [Indexed: 01/10/2023] Open
Abstract
RATIONALE Immunoglobulin (Ig) G4-related disease (IgG4-RD) is a newly recognized, systemic disease. Membranous nephropathy is the most common glomerular lesion in IgG4- related kidney disease. However, the lack of relationship with IgG4-related kidney disease and monoclonal gammopathy of undetermined significance (MGUS) warrants investigation of the potential mechanisms. PATIENT CONCERNS A 62-year-old patient was diagnosed with IgG4-RD, tubulointerstitial nephritis, retroperitoneal fibrosis. After 2 years, she was presented with proteinuria, hypoproteinemia, facial, and bilateral lower limb edema. Furthermore, this patient exhibited deposits of IgG k of monoclonal hyperplasia, and bone marrow plasma cell count was 2.5%. DIAGNOSIS The patient was diagnosed with nephrotic syndrome, acute kidney injury, and MGUS. The pathological diagnosis was IgG4-related tubulointerstitial nephritis, IgG4-related membranous nephropathy. INTERVENTIONS The patient was treated with intravenous methylprednisolone (40 mg daily), which was changed to oral prednisone 50 mg/d after 2 months. OUTCOMES After 1 month, the patient exhibited a rapid response only with corticosteroid, and experienced partial remission of serum albumin and proteinuria. LESSONS This case may suggest a possible relationship between IgG4-RD and MGUS, provide some guidance for investigating the mechanism between them.
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Abstract
Immunoglobulin G4-related disease (IgG4-RD) is an immune-mediated fibro-inflammatory condition that often causes the formation of tumefactive lesions. The discovery of IgG4-RD linked many well-known isolated conditions as a distinct multi-organ disease, and started an era of promoting investigation and treatment in relevant fields. In the thyroid gland, a subcategory of Hashimoto thyroiditis (HT) with IgG4-rich inflammation was first discovered and named IgG4 thyroiditis by our group. This subtype of HT presents with rapidly progressive clinical manifestations and destructive histopathological features underlying thyroid dysfunction, which are significantly different from the common type of HT. Moreover, other IgG4-rich thyroid conditions in patients with Graves' disease and systemic IgG4-RD have been described. These observations are most frequently reported in the Asian population for unknown reasons. Although recent studies demonstrated that IgG4 thyroiditis is a specific entity independent from IgG4-RD, recognition of this unique subset of thyroid disease has yielded important insights into understanding its pathogenesis and the development of novel therapeutic approaches.
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Affiliation(s)
- Yaqiong Li
- Department of Pathology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Keiko Inomata
- Department of Clinical and Laboratory Medicine, Yamashita Thyroid Hospital, Fukuoka, Japan
| | | | - Kennichi Kakudo
- Department of Pathology and Thyroid Disease Center, Izumi City General Hospital, Izumi, Japan
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