1
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Jansson-Knodell CL, Rubio-Tapia A. Gluten-related Disorders From Bench to Bedside. Clin Gastroenterol Hepatol 2024; 22:693-704.e1. [PMID: 37879521 DOI: 10.1016/j.cgh.2023.09.042] [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: 08/15/2023] [Revised: 09/26/2023] [Accepted: 09/29/2023] [Indexed: 10/27/2023]
Abstract
Celiac disease, non-celiac gluten sensitivity, and wheat allergy comprise 3 of the main conditions with wheat- and gluten-containing foods as the symptom trigger. Distinguishing between these entities can be daunting. In this review, we compare and contrast celiac disease, non-celiac gluten sensitivity, and wheat allergy to allow clinicians to determine which diagnosis fits their patient to facilitate high-quality management and longitudinal care.
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Affiliation(s)
- Claire L Jansson-Knodell
- Celiac Disease Program, Division of Gastroenterology, Hepatology, and Nutrition, Digestive Disease Institute, Cleveland Clinic, Cleveland, Ohio
| | - Alberto Rubio-Tapia
- Celiac Disease Program, Division of Gastroenterology, Hepatology, and Nutrition, Digestive Disease Institute, Cleveland Clinic, Cleveland, Ohio.
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2
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Malamut G, Soderquist CR, Bhagat G, Cerf-Bensussan N. Advances in Nonresponsive and Refractory Celiac Disease. Gastroenterology 2024:S0016-5085(24)00360-3. [PMID: 38556189 DOI: 10.1053/j.gastro.2024.02.048] [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: 11/10/2023] [Revised: 02/04/2024] [Accepted: 02/20/2024] [Indexed: 04/02/2024]
Abstract
Nonresponsive celiac disease (CeD) is relatively common. It is generally attributed to persistent gluten exposure and resolves after correction of diet errors. However, other complications of CeD and disorders clinically mimicking CeD need to be excluded. Novel therapies are being evaluated to facilitate mucosal recovery, which might benefit patients with nonresponsive CeD. Refractory CeD (RCeD) is rare and is divided into 2 types. The etiology of type I RCeD is unclear. A switch to gluten-independent autoimmunity is suspected in some patients. In contrast, type II RCeD represents a low-grade intraepithelial lymphoma. Type I RCeD remains a diagnosis of exclusion, requiring ruling out gluten intake and other nonmalignant causes of villous atrophy. Diagnosis of type II RCeD relies on the demonstration of a clonal population of neoplastic intraepithelial lymphocytes with an atypical immunophenotype. Type I RCeD and type II RCeD generally respond to open-capsule budesonide, but the latter has a dismal prognosis due to severe malnutrition and frequent progression to enteropathy-associated T-cell lymphoma; more efficient therapy is needed.
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Affiliation(s)
- Georgia Malamut
- Department of Gastroenterology, Assistance Publique-Hôpitaux de Paris Centre-Université Paris Cité, Hôpital Cochin, Paris, France; Laboratory of Intestinal Immunity, INSERM UMR 1163-Institut Imagine, Université Paris Cité, Paris, France.
| | - Craig R Soderquist
- Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, New York
| | - Govind Bhagat
- Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, New York
| | - Nadine Cerf-Bensussan
- Laboratory of Intestinal Immunity, INSERM UMR 1163-Institut Imagine, Université Paris Cité, Paris, France.
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3
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Gruver AM, Lu H, Zhao X, Fulford AD, Soper MD, Ballard D, Hanson JC, Schade AE, Hsi ED, Gottlieb K, Credille KM. Pathologist-trained machine learning classifiers developed to quantitate celiac disease features differentiate endoscopic biopsies according to modified marsh score and dietary intervention response. Diagn Pathol 2023; 18:122. [PMID: 37951937 PMCID: PMC10638821 DOI: 10.1186/s13000-023-01412-x] [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: 08/23/2023] [Accepted: 11/02/2023] [Indexed: 11/14/2023] Open
Abstract
BACKGROUND Histologic evaluation of the mucosal changes associated with celiac disease is important for establishing an accurate diagnosis and monitoring the impact of investigational therapies. While the Marsh-Oberhuber classification has been used to categorize the histologic findings into discrete stages (i.e., Type 0-3c), significant variability has been documented between observers using this ordinal scoring system. Therefore, we evaluated whether pathologist-trained machine learning classifiers can be developed to objectively quantitate the pathological changes of villus blunting, intraepithelial lymphocytosis, and crypt hyperplasia in small intestine endoscopic biopsies. METHODS A convolutional neural network (CNN) was trained and combined with a secondary algorithm to quantitate intraepithelial lymphocytes (IEL) with 5 classes on CD3 immunohistochemistry whole slide images (WSI) and used to correlate feature outputs with ground truth modified Marsh scores in a total of 116 small intestine biopsies. RESULTS Across all samples, median %CD3 counts (positive cells/enterocytes) from villous epithelium (VE) increased with higher Marsh scores (Type 0%CD3 VE = 13.4; Type 1-3%CD3 VE = 41.9, p < 0.0001). Indicators of villus blunting and crypt hyperplasia were also observed (Type 0-2 villous epithelium/lamina propria area ratio = 0.81; Type 3a-3c villous epithelium/lamina propria area ratio = 0.29, p < 0.0001), and Type 0-1 crypt/villous epithelial area ratio = 0.59; Type 2-3 crypt/villous epithelial area ratio = 1.64, p < 0.0001). Using these individual features, a combined feature machine learning score (MLS) was created to evaluate a set of 28 matched pre- and post-intervention biopsies captured before and after dietary gluten restriction. The disposition of the continuous MLS paired biopsy result aligned with the Marsh score in 96.4% (27/28) of the cohort. CONCLUSIONS Machine learning classifiers can be developed to objectively quantify histologic features and capture additional data not achievable with manual scoring. Such approaches should be further investigated to improve biopsy evaluation, especially for clinical trials.
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Affiliation(s)
- Aaron M Gruver
- Clinical Diagnostics Laboratory, Eli Lilly and Company, Lilly Corporate Center, Indianapolis, IN, 46285, USA
| | - Haiyan Lu
- Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
| | - Xiaoxian Zhao
- Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
| | - Angie D Fulford
- Clinical Diagnostics Laboratory, Eli Lilly and Company, Lilly Corporate Center, Indianapolis, IN, 46285, USA
| | - Michael D Soper
- Clinical Diagnostics Laboratory, Eli Lilly and Company, Lilly Corporate Center, Indianapolis, IN, 46285, USA
| | - Darryl Ballard
- Clinical Diagnostics Laboratory, Eli Lilly and Company, Lilly Corporate Center, Indianapolis, IN, 46285, USA
| | - Jeffrey C Hanson
- Research Informatics, Eli Lilly and Company, Indianapolis, IN, 46285, USA
| | - Andrew E Schade
- Clinical Diagnostics Laboratory, Eli Lilly and Company, Lilly Corporate Center, Indianapolis, IN, 46285, USA
| | - Eric D Hsi
- Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
| | - Klaus Gottlieb
- Immunology, Eli Lilly and Company, Indianapolis, IN, 46285, USA
| | - Kelly M Credille
- Clinical Diagnostics Laboratory, Eli Lilly and Company, Lilly Corporate Center, Indianapolis, IN, 46285, USA.
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4
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Patt YS, Lahat A, David P, Patt C, Eyade R, Sharif K. Unraveling the Immunopathological Landscape of Celiac Disease: A Comprehensive Review. Int J Mol Sci 2023; 24:15482. [PMID: 37895160 PMCID: PMC10607730 DOI: 10.3390/ijms242015482] [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: 10/01/2023] [Revised: 10/20/2023] [Accepted: 10/21/2023] [Indexed: 10/29/2023] Open
Abstract
Celiac disease (CD) presents a complex interplay of both innate and adaptive immune responses that drive a variety of pathological manifestations. Recent studies highlight the role of immune-mediated pathogenesis, pinpointing the involvement of antibodies against tissue transglutaminases (TG2, TG3, TG6), specific HLA molecules (DQ2/8), and the regulatory role of interleukin-15, among other cellular and molecular pathways. These aspects illuminate the systemic nature of CD, reflecting its wide-reaching impact that extends beyond gastrointestinal symptoms to affect other physiological systems and giving rise to a range of pathological landscapes, including refractory CD (RCD) and, in severe cases, enteropathy-associated T cell lymphoma. The existing primary therapeutic strategy, a gluten-free diet (GFD), poses significant challenges, such as low adherence rates, necessitating alternative treatments. Emerging therapies target various stages of the disease pathology, from preventing immunogenic gluten peptide absorption to enhancing intestinal epithelial integrity and modulating the immune response, heralding potential breakthroughs in CD management. As the understanding of CD deepens, novel therapeutic avenues are emerging, paving the way for more effective and sophisticated treatment strategies with the aim of enhancing the quality of life of CD patients. This review aims to delineate the immunopathology of CD and exploring its implications on other systems, its complications and the development of novel treatments.
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Affiliation(s)
- Yonatan Shneor Patt
- Department of Internal Medicine B, Sheba Medical Center, Ramat Gan 52621, Israel; (Y.S.P.); (P.D.); (C.P.); (R.E.)
- Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv 69978, Israel;
| | - Adi Lahat
- Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv 69978, Israel;
- Department of Gastroenterology, Sheba Medical Center, Ramat Gan 52621, Israel
| | - Paula David
- Department of Internal Medicine B, Sheba Medical Center, Ramat Gan 52621, Israel; (Y.S.P.); (P.D.); (C.P.); (R.E.)
- Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv 69978, Israel;
| | - Chen Patt
- Department of Internal Medicine B, Sheba Medical Center, Ramat Gan 52621, Israel; (Y.S.P.); (P.D.); (C.P.); (R.E.)
- The Adelson School of Medicine, Ariel University, Ariel 40700, Israel
| | - Rowand Eyade
- Department of Internal Medicine B, Sheba Medical Center, Ramat Gan 52621, Israel; (Y.S.P.); (P.D.); (C.P.); (R.E.)
- Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv 69978, Israel;
| | - Kassem Sharif
- Department of Internal Medicine B, Sheba Medical Center, Ramat Gan 52621, Israel; (Y.S.P.); (P.D.); (C.P.); (R.E.)
- Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv 69978, Israel;
- Department of Gastroenterology, Sheba Medical Center, Ramat Gan 52621, Israel
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5
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Felber J, Bläker H, Fischbach W, Koletzko S, Laaß M, Lachmann N, Lorenz P, Lynen P, Reese I, Scherf K, Schuppan D, Schumann M, Aust D, Baas S, Beisel S, de Laffolie J, Duba E, Holtmeier W, Lange L, Loddenkemper C, Moog G, Rath T, Roeb E, Rubin D, Stein J, Török H, Zopf Y. Aktualisierte S2k-Leitlinie Zöliakie der Deutschen Gesellschaft für Gastroenterologie, Verdauungs- und Stoffwechselkrankheiten (DGVS). ZEITSCHRIFT FUR GASTROENTEROLOGIE 2022; 60:790-856. [PMID: 35545109 DOI: 10.1055/a-1741-5946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Jörg Felber
- Medizinische Klinik II - Gastroenterologie, Hepatologie, Endokrinologie, Hämatologie und Onkologie, RoMed Klinikum Rosenheim, Rosenheim, Deutschland
| | - Hendrik Bläker
- Institut für Pathologie, Universitätsklinikum Leipzig AöR, Leipzig, Deutschland
| | | | - Sibylle Koletzko
- Kinderklinik und Kinderpoliklinik im Dr. von Haunerschen Kinderspital, LMU-Klinikum München, München, Deutschland.,Department of Pediatrics, Gastroenterology and Nutrition, School of Medicine Collegium Medicum University of Warmia and Mazury, 10-719 Olsztyn, Polen
| | - Martin Laaß
- Klinik und Poliklinik für Kinder- und Jugendmedizin, Universitätsklinikum Carl Gustav Carus an der Technischen Universität Dresden, Dresden, Deutschland
| | - Nils Lachmann
- Institut für Transfusionsmedizin, Charité - Universitätsmedizin Berlin, Berlin, Deutschland
| | - Pia Lorenz
- Deutsche Gesellschaft für Gastroenterologie, Verdauungs- und Stoffwechselkrankheiten (DGVS), Berlin, Deutschland
| | - Petra Lynen
- Deutsche Gesellschaft für Gastroenterologie, Verdauungs- und Stoffwechselkrankheiten (DGVS), Berlin, Deutschland
| | - Imke Reese
- Ernährungsberatung und -therapie Allergologie, München, Deutschland
| | - Katharina Scherf
- Institute of Applied Biosciences Department of Bioactive and Functional Food Chemistry, Karlsruhe Institute of Technology (KIT), Karlsruhe, Deutschland
| | - Detlef Schuppan
- Institut für Translationale Immunologie, Johannes Gutenberg-Universität Mainz, Mainz, Deutschland.,Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Michael Schumann
- Medizinische Klinik I für Gastroenterologie, Infektiologie und Rheumatologie, Charité - Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Deutschland
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6
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Pelizzaro F, Marsilio I, Fassan M, Piazza F, Barberio B, D’Odorico A, Savarino EV, Farinati F, Zingone F. The Risk of Malignancies in Celiac Disease-A Literature Review. Cancers (Basel) 2021; 13:cancers13215288. [PMID: 34771450 PMCID: PMC8582432 DOI: 10.3390/cancers13215288] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 10/15/2021] [Accepted: 10/19/2021] [Indexed: 12/14/2022] Open
Abstract
Celiac disease (CeD) is an immune-mediated enteropathy precipitated by ingestion of gluten in genetically predisposed individuals. Considering that CeD affects approximately 1% of the Western population, it may be considered a global health problem. In the large majority of cases, CeD has a benign course, characterized by the complete resolution of symptoms and a normal life expectancy after the beginning of a gluten-free-diet (GFD); however, an increased risk of developing malignancies, such as lymphomas and small bowel carcinoma (SBC), has been reported. In particular, enteropathy-associated T-cell lymphoma (EATL), a peculiar type of T-cell lymphoma, is characteristically associated with CeD. Moreover, the possible association between CeD and several other malignancies has been also investigated in a considerable number of studies. In this paper, we aim to provide a comprehensive review of the current knowledge about the associations between CeD and cancer, focusing in particular on EATL and SBC, two rare but aggressive malignancies.
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Affiliation(s)
- Filippo Pelizzaro
- Gastroenterology Unit, Department of Surgery, Oncology and Gastroenterology, University Hospital of Padova, 35128 Padova, Italy; (F.P.); (I.M.); (B.B.); (A.D.); (E.V.S.); (F.F.)
| | - Ilaria Marsilio
- Gastroenterology Unit, Department of Surgery, Oncology and Gastroenterology, University Hospital of Padova, 35128 Padova, Italy; (F.P.); (I.M.); (B.B.); (A.D.); (E.V.S.); (F.F.)
| | - Matteo Fassan
- Surgical Pathology and Cytopathology Unit, Department of Medicine (DIMED), University Hospital of Padova, 35128 Padova, Italy;
- Veneto Oncology Institute, IOV-IRCCS, 35128 Padova, Italy
| | - Francesco Piazza
- Department of Medicine, Hematology, University Hospital of Padova, 35128 Padova, Italy;
| | - Brigida Barberio
- Gastroenterology Unit, Department of Surgery, Oncology and Gastroenterology, University Hospital of Padova, 35128 Padova, Italy; (F.P.); (I.M.); (B.B.); (A.D.); (E.V.S.); (F.F.)
| | - Anna D’Odorico
- Gastroenterology Unit, Department of Surgery, Oncology and Gastroenterology, University Hospital of Padova, 35128 Padova, Italy; (F.P.); (I.M.); (B.B.); (A.D.); (E.V.S.); (F.F.)
| | - Edoardo V. Savarino
- Gastroenterology Unit, Department of Surgery, Oncology and Gastroenterology, University Hospital of Padova, 35128 Padova, Italy; (F.P.); (I.M.); (B.B.); (A.D.); (E.V.S.); (F.F.)
| | - Fabio Farinati
- Gastroenterology Unit, Department of Surgery, Oncology and Gastroenterology, University Hospital of Padova, 35128 Padova, Italy; (F.P.); (I.M.); (B.B.); (A.D.); (E.V.S.); (F.F.)
| | - Fabiana Zingone
- Gastroenterology Unit, Department of Surgery, Oncology and Gastroenterology, University Hospital of Padova, 35128 Padova, Italy; (F.P.); (I.M.); (B.B.); (A.D.); (E.V.S.); (F.F.)
- Correspondence:
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7
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Soldera J, Salgado K, Pêgas KL. Refractory celiac disease type 2: how to diagnose and treat? Rev Assoc Med Bras (1992) 2021; 67:168-172. [PMID: 34406238 DOI: 10.1590/1806-9282.67.02.20200618] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Accepted: 11/16/2020] [Indexed: 11/22/2022] Open
Abstract
Refractory celiac disease is an uncommon condition which might be associated to poor prognosis. It is often treated with immunosuppressive medications, with poor results. It is divided in type 1 and type 2, the latter carrying a high risk for lymphoma and mortality. A case of a 41 year old female patient with refractory celiac disease type 2 is reported. She was treated with oral budesonide for six months, achieving histological remission.
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Affiliation(s)
| | - Karina Salgado
- Universidade Federal de Ciências da Saúde de Porto Alegre - Porto Alegre (RS), Brazil
| | - Karla Lais Pêgas
- Universidade Federal de Ciências da Saúde de Porto Alegre - Porto Alegre (RS), Brazil.,Irmandade Santa Casa de Misericórdia de Porto Alegre - Porto Alegre (RS), Brazil
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8
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Cellular and molecular bases of refractory celiac disease. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2021; 358:207-240. [PMID: 33707055 DOI: 10.1016/bs.ircmb.2020.12.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Refractory celiac disease (RCD) encompasses biologically heterogeneous disorders that develop in a small proportion (0.3%) of individuals with celiac disease that are associated with high morbidity. Two broad categories are currently recognized, type I (RCD I) and type II (RCD II), based on immunophenotypic and molecular features of the intraepithelial lymphocytes (IELs). RCD I is characterized by a polyclonal expansion of IELs displaying a normal immunophenotype, while RCD II represents a clonal proliferation of immunophenotypically "aberrant" IELs, and is considered a low-grade lymphoproliferative disorder. The pathogenesis of RCD I has not been clarified, but limited studies suggest multifactorial etiology. On the other hand, recent immunologic, molecular and immunophenotypic analyses have proposed lineage-negative innate IELs to be the cell of origin of a proportion of RCD II cases. Furthermore, sequencing studies have identified frequent, recurrent, activating mutations in members of the JAK-STAT pathway in RCD II. This finding, in conjunction with prior in vitro experimental observations, suggests roles of deregulated cytokine signaling in disease pathogenesis. In this review, we describe current understanding of environmental, immune and genetic factors associated with the development of RCD and briefly discuss diagnostic and therapeutic considerations.
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Immunophenotypic Spectrum and Genomic Landscape of Refractory Celiac Disease Type II. Am J Surg Pathol 2021; 45:905-916. [PMID: 33544565 DOI: 10.1097/pas.0000000000001658] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Refractory celiac disease type II (RCD II), also referred to as "cryptic" enteropathy-associated T-cell lymphoma (EATL) or "intraepithelial T-cell lymphoma," is a rare clonal lymphoproliferative disorder that arises from innate intraepithelial lymphocytes. RCD II has a poor prognosis and frequently evolves to EATL. The pathogenesis of RCD II is not well understood and data regarding the immunophenotypic spectrum of this disease and underlying genetic alterations are limited. To gain further biological insights, we performed comprehensive immunophenotypic, targeted next-generation sequencing, and chromosome microarray analyses of 11 RCD II cases: CD4-/CD8- (n=6), CD8+ (n=4), and CD4+ (n=1), and 2 of 3 ensuing EATLs. Genetic alterations were identified in 9/11 (82%) of the RCD II cases. All 9 displayed mutations in members of the JAK-STAT signaling pathway, including frequent, recurrent STAT3 (7/9, 78%) and JAK1 (4/9, 44%) mutations, and 9/10 evaluable cases expressed phospho-STAT3. The mutated cases also harbored recurrent alterations in epigenetic regulators (TET2, n=5 and KMT2D, n=5), nuclear factor-κB (TNFAIP3, n=4), DNA damage repair (POT1, n=3), and immune evasion (CD58, n=2) pathway genes. The CD4-/CD8- and other immunophenotypic subtypes of RCD II exhibited similar molecular features. Longitudinal genetic analyses of 4 RCD II cases revealed stable mutation profiles, however, additional mutations were detected in the EATLs, which occurred at extraintestinal sites and were clonally related to antecedent RCD II. Chromosome microarray analysis demonstrated copy number changes in 3/6 RCD II cases, and 1 transformed EATL with sufficient neoplastic burden for informative analysis. Our findings provide novel information about the immunophenotypic and genomic characteristics of RCD II, elucidate early genetic events in EATL pathogenesis, and reveal potential therapeutic targets.
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Abstract
PURPOSE OF REVIEW The aim of this review is to provide insight into the diagnosis and management of patients with refractory coeliac disease (RCD) and highlight recent advances in this field. RECENT FINDINGS The diagnosis of RCD can be more accurately confirmed with flow cytometry in addition to immunohistochemistry. Dietary input and excretion of gluten immunogenic peptides can help rule out gluten contamination, and therefore, substantiate a diagnosis of RCD type I. Small bowel capsule endoscopy (SBCE) is important at diagnosis and follow-up in addition to duodenal histology. Apart from ruling out complications, it can give information on extent of disease in the small bowel, and therefore, help assess response to therapy. Those patients with a poor response can have earlier intensification of therapy, which may result in an improved outcome. RCD also occurs in patients with serology negative coeliac disease but with an increased mortality compared with patients with serology-positive coeliac disease. SUMMARY Patients with RCD can present with persistent symptoms of malnutrition but can also be completely asymptomatic. Serology is not a reliable marker to detect refractory disease. Immunostaining and flow cytometry are necessary for a diagnosis of RCD. Small bowel endoscopy enables disease extent to be assessed and allows for small bowel biopsies to be taken in case of suspicious lesions. Small bowel radiology can be complementary to small bowel endoscopy.
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11
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Soderquist CR, Bhagat G. Gastrointestinal T- and NK-cell lymphomas and indolent lymphoproliferative disorders. Semin Diagn Pathol 2020; 37:11-23. [DOI: 10.1053/j.semdp.2019.08.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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12
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Oxentenko AS, Rubio-Tapia A. Celiac Disease. Mayo Clin Proc 2019; 94:2556-2571. [PMID: 31806106 DOI: 10.1016/j.mayocp.2019.02.019] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 02/08/2019] [Accepted: 02/14/2019] [Indexed: 12/16/2022]
Abstract
Celiac disease (CD) affects approximately 1% of the general population, although most cases remain unrecognized. Because CD is a multisystem disorder with protean clinical manifestations, a high index of suspicion is needed to make an appropriate diagnosis. A diagnosis of CD is made in a patient who is genetically predisposed based on the presence of compatible clinical features, positive highly specific celiac serologic findings, duodenal biopsies that document enteropathy, and improvement with a gluten-free diet. The differential diagnoses for the clinical features and the histologic findings seen in patients with CD are numerous and need to be considered; because the management of celiac disease consists of a lifelong gluten-free diet, ensuring that the diagnosis is correctly established is of utmost importance. The aim of this review is to provide practicing clinicians with the most current information on the diagnosis and management of CD, including new developments and the approach to controversial issues.
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Affiliation(s)
- Amy S Oxentenko
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Mayo Clinic, Rochester, MN.
| | - Alberto Rubio-Tapia
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Mayo Clinic, Rochester, MN
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13
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Abstract
Celiac disease is a gluten-triggered immune-mediated disorder, characterized by inflammation of the enteric mucosa following lymphocytic infiltration and eventually resulting in villous blunting. There have been many developments in refining diagnostic laboratory tests for celiac disease in the last decade. Biopsy-sparing diagnostic guidelines have been proposed and validated in a few recent prospective studies. However, despite these developments, histologic evaluation of duodenal mucosa remains one of the most essential diagnostic tools as it helps in the diagnosis of celiac disease in individuals who do not fulfill the biopsy-sparing diagnostic criteria and in those not responding to a gluten-free diet. Histologic evaluation also allows for the assessment of mucosal recovery after treatment and in the identification of concurrent intestinal diseases. Therefore, pathologists should be familiar with the histologic spectrum of celiac disease and need to be aware of other disorders with similar symptoms and histopathology that may mimic celiac disease. This review aims to provide pathologists with updates on celiac laboratory testing, biopsy-sparing diagnostic criteria, histopathology, complications, and differential diagnoses of celiac disease.
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Chetcuti Zammit S, Sanders DS, Sidhu R. Capsule endoscopy for patients with coeliac disease. Expert Rev Gastroenterol Hepatol 2018; 12:779-790. [PMID: 29886766 DOI: 10.1080/17474124.2018.1487289] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Coeliac disease is an autoimmune mediated condition in response to gluten. A combination of innate and adaptive immune responses results in villous shortening in the small bowel (SB) that can be morphologically picked up on capsule endoscopy. It is the only imaging modality that can provide mucosal views of the entire SB, while histology is generally limited to the proximal SB. Radiological modalities are not designed to pick up changes in villous morphology. Areas covered: In this review, we provide a comprehensive analysis on the justified use of small bowel capsule endoscopy (SBCE) in the assessment of patients with coeliac disease; compare SBCE to histology, serology, and symptomatology; and provide an overview on automated quantitative analysis for the detection of coeliac disease. We also provide insight into future work on SBCE in relation to coeliac disease. Expert commentary: SBCE has opened up new avenues for the diagnosis and monitoring of patients with coeliac disease. However, larger studies with new and established coeliac disease patients and with greater emphasis on morphological features on SBCE are required to better define the role of SBCE in the setting of coeliac disease.
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Affiliation(s)
| | - David S Sanders
- a Gastroenterology Department , Sheffield Teaching Hospitals , Sheffield , UK
| | - Reena Sidhu
- a Gastroenterology Department , Sheffield Teaching Hospitals , Sheffield , UK
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15
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Abstract
Celiac disease features duodenal intraepithelial lymphocytosis with or without villous atrophy. Lymphocytosis without villous atrophy will be proven to represent celiac disease in 10% to 20% of cases. The differential diagnosis is broad: Helicobacter pylori gastritis, NSAID injury and bacterial overgrowth are considerations. Lymphocytosis with villous atrophy is very likely to be celiac disease, but there are mimics to consider, including collagenous sprue, tropical sprue, drug injury, and common variable immunodeficiency. Histologic clues to a diagnosis other than celiac disease include paucity of plasma cells, excess of neutrophils, granulomas, and relative paucity of intraepithelial lymphocytes.
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Affiliation(s)
- Thomas C Smyrk
- Department of Pathology, Mayo Clinic, Hilton 11, 200 First Street Southwest, Rochester, MN 55902, USA.
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16
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CD4 T-cell cytokines synergize to induce proliferation of malignant and nonmalignant innate intraepithelial lymphocytes. Proc Natl Acad Sci U S A 2017; 114:E980-E989. [PMID: 28049849 DOI: 10.1073/pnas.1620036114] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Refractory celiac disease type II (RCDII) is a severe complication of celiac disease (CD) characterized by the presence of an enlarged clonal population of innate intraepithelial lymphocytes (IELs) lacking classical B-, T-, and natural killer (NK)-cell lineage markers (Lin-IELs) in the duodenum. In ∼50% of patients with RCDII, these Lin-IELs develop into a lymphoma for which no effective treatment is available. Current evidence indicates that the survival and expansion of these malignant Lin-IELs is driven by epithelial cell-derived IL-15. Like CD, RCDII is strongly associated with HLA-DQ2, suggesting the involvement of HLA-DQ2-restricted gluten-specific CD4+ T cells. We now show that gluten-specific CD4+ T cells isolated from CD duodenal biopsy specimens produce cytokines able to trigger proliferation of malignant Lin-IEL lines as powerfully as IL-15. Furthermore, we identify TNF, IL-2, and IL-21 as CD4+ T-cell cytokines that synergistically mediate this effect. Like IL-15, these cytokines were found to increase the phosphorylation of STAT5 and Akt and transcription of antiapoptotic mediator bcl-xL Several small-molecule inhibitors targeting the JAK/STAT pathway blocked proliferation elicited by IL-2 and IL-15, but only an inhibitor targeting the PI3K/Akt/mTOR pathway blocked proliferation induced by IL-15 as well as the CD4+ T-cell cytokines. Confirming and extending these findings, TNF, IL-2, and IL-21 also synergistically triggered the proliferation of freshly isolated Lin-IELs and CD3-CD56+ IELs (NK-IELs) from RCDII as well as non-RCDII duodenal biopsy specimens. These data provide evidence implicating CD4+ T-cell cytokines in the pathogenesis of RCDII. More broadly, they suggest that adaptive immune responses can contribute to innate IEL activation during mucosal inflammation.
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Eigner W, Bashir K, Primas C, Kazemi-Shirazi L, Wrba F, Trauner M, Vogelsang H. Dynamics of occurrence of refractory coeliac disease and associated complications over 25 years. Aliment Pharmacol Ther 2017; 45:364-372. [PMID: 27885681 DOI: 10.1111/apt.13867] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2016] [Revised: 06/08/2016] [Accepted: 10/27/2016] [Indexed: 12/19/2022]
Abstract
BACKGROUND Refractory coeliac disease, enteropathy associated T-cell lymphoma and small bowel adenocarcinoma are rare but prognostically important complications in coeliac disease. AIM To analyse potential changes in occurrence of complicated coeliac disease over the last 25 years. METHODS One thousand one hundred and thirty eight patients were included and evaluated based on their time of first presentation at the Medical University of Vienna, Austria. Occurrences of refractory coeliac disease and associated malignancies were evaluated for 5-year intervals from January 1990 until December 2014 and were compared over time. RESULTS 2.6% (n = 29) were diagnosed with refractory coeliac disease (females 65.6%, mean age at diagnosis 62.8 years). The proportion of those patients was 2.6%, 3.1%, 3.3%, 2.7% and 0.5% for the 5 year intervals from 1990 onwards. Thus, the number of refractory cases has been decreasing since 2000 (P = 0.024). The number of patients presenting with lymphoma (n = 7) was 0.6%, 0.4%, 1.1%, 0.8% and 0% from 1990 to 2014. Similarly the number of patients with adenocarcinoma (n = 4) decreased to 0% until 2014. Overall mortality in patients suffering from refractory disease was 48%. Of all patients diagnosed with lymphoma 71.4% died with a 5-year survival rate of 28.6%. CONCLUSIONS Over the past 15 years the occurrence of complicated coeliac disease has been decreasing. This possibly reflects a higher awareness of coeliac disease and optimised diagnosis and treatment with avoidance of long-term immunological disease activity. Symptomatic disease and a delay in diagnosis are risk factors for refractory coeliac disease and related cancer.
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Affiliation(s)
- W Eigner
- Division of Gastroenterology and Hepatology, Department of Internal Medicine III, Medical University Hospital of Vienna, Vienna, Austria
| | - K Bashir
- Division of Gastroenterology and Hepatology, Department of Internal Medicine III, Medical University Hospital of Vienna, Vienna, Austria
| | - C Primas
- Division of Gastroenterology and Hepatology, Department of Internal Medicine III, Medical University Hospital of Vienna, Vienna, Austria
| | - L Kazemi-Shirazi
- Division of Gastroenterology and Hepatology, Department of Internal Medicine III, Medical University Hospital of Vienna, Vienna, Austria
| | - F Wrba
- Department of Pathology, Medical University of Vienna, Vienna, Austria
| | - M Trauner
- Division of Gastroenterology and Hepatology, Department of Internal Medicine III, Medical University Hospital of Vienna, Vienna, Austria
| | - H Vogelsang
- Division of Gastroenterology and Hepatology, Department of Internal Medicine III, Medical University Hospital of Vienna, Vienna, Austria
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Rubio-Tapia A, Malamut G, Verbeek WH, van Wanrooij RL, Leffler DA, Niveloni SI, Arguelles-Grande C, Lahr BD, Zinsmeister AR, Murray JA, Kelly CP, Bai JC, Green PH, Daum S, Mulder CJ, Cellier C. Creation of a model to predict survival in patients with refractory coeliac disease using a multinational registry. Aliment Pharmacol Ther 2016; 44:704-14. [PMID: 27485029 PMCID: PMC5018234 DOI: 10.1111/apt.13755] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Revised: 05/09/2016] [Accepted: 07/14/2016] [Indexed: 12/13/2022]
Abstract
BACKGROUND Refractory coeliac disease is a severe complication of coeliac disease with heterogeneous outcome. AIM To create a prognostic model to estimate survival of patients with refractory coeliac disease. METHODS We evaluated predictors of 5-year mortality using Cox proportional hazards regression on subjects from a multinational registry. Bootstrap resampling was used to internally validate the individual factors and overall model performance. The mean of the estimated regression coefficients from 400 bootstrap models was used to derive a risk score for 5-year mortality. RESULTS The multinational cohort was composed of 232 patients diagnosed with refractory coeliac disease across seven centres (range of 11-63 cases per centre). The median age was 53 years and 150 (64%) were women. A total of 51 subjects died during a 5-year follow-up (cumulative 5-year all-cause mortality = 30%). From a multiple variable Cox proportional hazards model, the following variables were significantly associated with 5-year mortality: age at refractory coeliac disease diagnosis (per 20 year increase, hazard ratio = 2.21; 95% confidence interval, CI: 1.38-3.55), abnormal intraepithelial lymphocytes (hazard ratio = 2.85; 95% CI: 1.22-6.62), and albumin (per 0.5 unit increase, hazard ratio = 0.72; 95% CI: 0.61-0.85). A simple weighted three-factor risk score was created to estimate 5-year survival. CONCLUSIONS Using data from a multinational registry and previously reported risk factors, we create a prognostic model to predict 5-year mortality among patients with refractory coeliac disease. This new model may help clinicians to guide treatment and follow-up.
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Affiliation(s)
| | | | | | | | - Daniel A. Leffler
- Beth Israel Deaconess Medical Center, Boston, Massachusetts, United States
| | | | | | | | | | | | - Ciaran P. Kelly
- Beth Israel Deaconess Medical Center, Boston, Massachusetts, United States
| | - Julio C. Bai
- Hospital Dr. Carlos Nonorino Udaondo, Buenos Aires, Argentina
| | - Peter H. Green
- Columbia University Medical Center, New York, New York, United States
| | - Severin Daum
- Charite-University Medicine Berlin, Berlin, Germany
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Woodward J. Improving outcomes of refractory celiac disease - current and emerging treatment strategies. Clin Exp Gastroenterol 2016; 9:225-36. [PMID: 27536154 PMCID: PMC4976763 DOI: 10.2147/ceg.s87200] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Intestinal inflammation and symptoms of celiac disease (CD) usually respond well to gluten withdrawal, but rare cases are refractory to diet. Two types of refractory CD are discriminated on the basis of the presence or absence of an atypical population of mucosal lymphocytes that may progress to enteropathy-associated T-cell lymphoma. Challenges remain in the secure diagnosis of both types of refractory disease, and evidence on which to base treatment recommendations is flawed by the small numbers of reported patients and the use of different diagnostic strategies. Recent advances in our understanding of the mechanisms of the condition in conjunction with the development of immunomodulatory agents for managing other inflammatory diseases are helping to shape future approaches to targeted therapy. Progression will depend on collaboration and recruitment to trials. In the meantime, there is evidence to suggest that earlier diagnosis and better follow-up and management of CD may prevent the development of refractoriness.
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Affiliation(s)
- Jeremy Woodward
- Department of Gastroenterology and Clinical Nutrition, Addenbrooke’s Hospital, Cambridge, UK
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20
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Perfetti V, Baldanti F, Lenti MV, Vanoli A, Biagi F, Gatti M, Riboni R, Dallera E, Paulli M, Pedrazzoli P, Corazza GR. Detection of Active Epstein-Barr Virus Infection in Duodenal Mucosa of Patients With Refractory Celiac Disease. Clin Gastroenterol Hepatol 2016; 14:1216-20. [PMID: 27033429 DOI: 10.1016/j.cgh.2016.03.022] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2015] [Revised: 02/22/2016] [Accepted: 03/16/2016] [Indexed: 02/07/2023]
Abstract
Refractory celiac disease is characterized by mucosal damage in patients with celiac disease despite a gluten-free diet. Little is known about the mechanisms that cause persistent intestinal inflammation in these patients. We performed a case-control study of 17 consecutive patients diagnosed with refractory celiac disease from 2001 through 2014 (median age, 51 y; 10 women) and 24 patients with uncomplicated celiac disease (controls) to determine whether refractory disease is associated with infection by lymphotropic oncogenic viruses. We performed real-time PCR analyses of duodenal biopsy samples from all patients to detect Epstein-Barr virus (EBV), human herpesvirus-8, and human T-cell lymphotropic virus-I, -II, or -III. We used in situ hybridization and immunohistochemical analyses to identify infected cells and viral proteins. We did not detect human herpesvirus-8 or human T-cell lymphotropic viruses in any of the biopsy specimens. However, 12 of 17 (70.5%) biopsy specimens from patients with refractory celiac disease were positive for EBV, compared with 4 of 24 (16.6%) biopsy specimens from controls (P < .001). EBV was detected in inflammatory cells and enterocytes. An analysis of latency- and replication-associated proteins confirmed active infection. Further studies are needed to determine whether EBV infection contributes to the pathogenesis of refractory celiac disease and enteropathy-associated T-cell lymphoma.
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Affiliation(s)
- Vittorio Perfetti
- Department of Onco-Hematology, Section of Oncology, University of Pavia and Fondazione Istituto di Ricovero e Cura a Carattere Scientifico Policlinico San Matteo, Pavia, Italy
| | - Fausto Baldanti
- Molecular Virology Unit, University of Pavia and Fondazione Istituto di Ricovero e Cura a Carattere Scientifico Policlinico San Matteo, Pavia, Italy
| | - Marco Vincenzo Lenti
- First Department of Internal Medicine, University of Pavia and Fondazione Istituto di Ricovero e Cura a Carattere Scientifico Policlinico San Matteo, Pavia, Italy
| | - Alessandro Vanoli
- Department of Molecular Medicine and Anatomic Pathology section, University of Pavia and Fondazione Istituto di Ricovero e Cura a Carattere Scientifico Policlinico San Matteo, Pavia, Italy
| | - Federico Biagi
- First Department of Internal Medicine, University of Pavia and Fondazione Istituto di Ricovero e Cura a Carattere Scientifico Policlinico San Matteo, Pavia, Italy
| | - Marta Gatti
- Molecular Virology Unit, University of Pavia and Fondazione Istituto di Ricovero e Cura a Carattere Scientifico Policlinico San Matteo, Pavia, Italy
| | - Roberta Riboni
- Department of Molecular Medicine and Anatomic Pathology section, University of Pavia and Fondazione Istituto di Ricovero e Cura a Carattere Scientifico Policlinico San Matteo, Pavia, Italy
| | - Elena Dallera
- Department of Molecular Medicine and Anatomic Pathology section, University of Pavia and Fondazione Istituto di Ricovero e Cura a Carattere Scientifico Policlinico San Matteo, Pavia, Italy
| | - Marco Paulli
- Department of Molecular Medicine and Anatomic Pathology section, University of Pavia and Fondazione Istituto di Ricovero e Cura a Carattere Scientifico Policlinico San Matteo, Pavia, Italy
| | - Paolo Pedrazzoli
- Department of Onco-Hematology, Section of Oncology, University of Pavia and Fondazione Istituto di Ricovero e Cura a Carattere Scientifico Policlinico San Matteo, Pavia, Italy
| | - Gino Roberto Corazza
- First Department of Internal Medicine, University of Pavia and Fondazione Istituto di Ricovero e Cura a Carattere Scientifico Policlinico San Matteo, Pavia, Italy.
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Cappello M, Morreale GC, Licata A. Elderly Onset Celiac Disease: A Narrative Review. CLINICAL MEDICINE INSIGHTS. GASTROENTEROLOGY 2016; 9:41-9. [PMID: 27486350 PMCID: PMC4965017 DOI: 10.4137/cgast.s38454] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Revised: 06/27/2016] [Accepted: 06/29/2016] [Indexed: 12/16/2022]
Abstract
Celiac sprue is a chronic disease, which usually occurs in children and young adults. However, it can develop in any age group, and the prevalence is increasing even in the elderly population. The atypical patterns of clinical presentation in this age group sometimes can cause a delay in diagnosis. Given the lower sensitivity and specificity of serological tests in the aged population, clinical suspect often arises in the presence of complications (autoimmune disorders, fractures, and finally, malignancy) and must be supported by endoscopic and imaging tools. In this review, we highlight the incidence and prevalence of celiac disease in the elderly, the patterns of clinical presentation, diagnosis, and the most frequent complications, with the aim of increasing awareness and reducing the diagnostic delay of celiac disease even in the elderly population.
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Affiliation(s)
- Maria Cappello
- Gastroenterology and Hepatology Section, DIBIMIS, University of Palermo School of Medicine, Palermo, Italy
| | - Gaetano C Morreale
- Gastroenterology and Hepatology Section, DIBIMIS, University of Palermo School of Medicine, Palermo, Italy
| | - Anna Licata
- Gastroenterology and Hepatology Section, DIBIMIS, University of Palermo School of Medicine, Palermo, Italy
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22
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Kurada S, Yadav A, Leffler DA. Current and novel therapeutic strategies in celiac disease. Expert Rev Clin Pharmacol 2016; 9:1211-23. [PMID: 27322016 DOI: 10.1080/17512433.2016.1200463] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
INTRODUCTION A gluten free diet (GFD) is the only available treatment for celiac disease (CD). However many patients fail to respond fully clinically or histologically. Several surveys highlight the psychosocial implications of adherence to a GFD. Hence, efforts are ongoing to develop therapeutic strategies beyond a GFD. AREAS COVERED We conducted a search of PubMed and clinicaltrials.gov to extract articles on CD using keywords including 'celiac disease' and 'refractory celiac disease' (RCD) and focused on articles conducting pathophysiologic and therapeutic research in/ex-vivo models and human trials. We highlight novel therapeutics that manipulate these mechanisms including tight junction regulators, glutenases, gluten sequestrants and immunotherapy using vaccines, nanoparticles that may serve as adjuncts to a GFD or more ambitiously to allow for gluten consumption. We also highlight the role of anti-inflammatories, immunosuppressants and monoclonal antibodies in RCD. Expert commentary: Therapeutics including tight junction regulators, glutenases have the potential to be approved for non-responsive CD or as gluten adjuncts. We expect results of various phase 1/2 trials using AMG 714, BL 7010, IgY antibodies to be published. In the interim, off-label use of 5 amino-salicylates, budesonide, nucleoside analogues and newer biologics developed for other inflammatory diseases will be used in RCD.
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Affiliation(s)
- Satya Kurada
- a Division of Gastroenterology, Department of Medicine, Beth Israel Deaconess Medical Center , Harvard Medical School , Boston , MA , USA.,b Department of Medicine, Boston Medical Center , Boston University School of Medicine , Boston , MA , USA.,c Celiac Research Program, Harvard Medical School , Boston , MA , USA
| | - Abhijeet Yadav
- a Division of Gastroenterology, Department of Medicine, Beth Israel Deaconess Medical Center , Harvard Medical School , Boston , MA , USA.,c Celiac Research Program, Harvard Medical School , Boston , MA , USA
| | - Daniel A Leffler
- a Division of Gastroenterology, Department of Medicine, Beth Israel Deaconess Medical Center , Harvard Medical School , Boston , MA , USA.,c Celiac Research Program, Harvard Medical School , Boston , MA , USA
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Hisamatsu T, Erben U, Kühl AA. The Role of T-Cell Subsets in Chronic Inflammation in Celiac Disease and Inflammatory Bowel Disease Patients: More Common Mechanisms or More Differences? Inflamm Intest Dis 2016; 1:52-62. [PMID: 29922658 DOI: 10.1159/000445133] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Accepted: 03/02/2016] [Indexed: 12/13/2022] Open
Abstract
Background Chronic intestinal inflammation due to noninfectious causes represents a growing health issue all over the world. Celiac disease as well as inflammatory bowel diseases (IBD) like Crohn's disease and ulcerative and microscopic colitis involve uncontrolled T-cell activation and T-cell-mediated damage as common denominators. Therefore, diagnosis and treatment decisions clearly benefit from the knowledge of the intricacies of the systemic and the local T-cell activity. Summary Depending on the cytokine milieu, CD4+ T cells can differentiate into proinflammatory T helper 1 (Th1), anti-inflammatory Th2, antimicrobial Th17, pleiotropic Th9, tissue-instructing Th22 cells, and in the regulatory compartment forkhead box protein 3+ Treg, suppressive Tr1 or Th3 cells. Additionally, follicular Th cells provide B-cell help in antibody class switching; cytotoxic CD8+ T cells target virus-infected or tumor cells. This review discusses our current knowledge on the contribution of defined T-cell subpopulations to establishing and maintaining chronic intestinal inflammation in either of the above entities. It also puts emphasis on the differences in the prevalence of these diseases between Eastern and Western countries. Key Messages In celiac disease, the driving role of T cells in the lamina propria and in the epithelium mainly specific for two defined antigens is well established. Differences in genetics and lifestyle between Western and Eastern countries were instrumental in understanding underlying mechanisms. In IBD, the vast amount of potential antigens and the corresponding antigen-specific T cells makes it unlikely to find universal triggers. Increased mucosal CD4+ regulatory T cells in all four entities fail to control or abrogate local inflammatory processes. Thus, prevailing differences in the functional T-cell subtypes driving chronic intestinal inflammation in celiac disease and IBD at best allow some overlap in the treatment options for either disease.
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Affiliation(s)
- Tadakazu Hisamatsu
- The Third Department of Internal Medicine, Kyorin University School of Medicine, Mitaka, Tokyo, Japan
| | - Ulrike Erben
- Medical Department (Gastroenterology/Infectious Diseases/Rheumatology), Campus Benjamin Franklin, Charité - Universitätsmedizin Berlin, Berlin, Germany.,Research Center ImmunoSciences, Campus Benjamin Franklin, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Anja A Kühl
- Medical Department (Gastroenterology/Infectious Diseases/Rheumatology), Campus Benjamin Franklin, Charité - Universitätsmedizin Berlin, Berlin, Germany.,Research Center ImmunoSciences, Campus Benjamin Franklin, Charité - Universitätsmedizin Berlin, Berlin, Germany
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[Histological diagnosis and complications of celiac disease. Update according to the new S2k guidelines]. DER PATHOLOGE 2016; 36:197-205; quiz 206-7. [PMID: 25820446 DOI: 10.1007/s00292-015-0006-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Celiac disease is a relatively common immunological systemic disease triggered by the protein gluten in genetically predisposed individuals. Classical symptoms like chronic diarrhea, steatorrhea, weight loss and growth retardation are nowadays relatively uncommon. Diagnostic workup includes serological tests for IgA antibodies against tissue transglutaminase 2 (anti-TG2-IgA) and total IgA and histology of duodenal biopsies. Histomorphological classification should be done according to the modified Marsh-Oberhuber classification. Diagnosis of celiac disease should be based on serological, clinical, and histological findings. The only treatment is a life-long gluten-free diet. Unchanged or recurrent symptoms under gluten-free diet may indicate refractory celiac disease. Enteropathy-associated T-cell lymphoma and adenocarcinomas of the small intestine are known complications of celiac disease.
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Recognising and Managing Refractory Coeliac Disease: A Tertiary Centre Experience. Nutrients 2015; 7:9896-907. [PMID: 26633478 PMCID: PMC4690058 DOI: 10.3390/nu7125506] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Revised: 11/10/2015] [Accepted: 11/16/2015] [Indexed: 12/19/2022] Open
Abstract
Refractory coeliac disease (RCD) is a rare complication of coeliac disease (CD) and involves malabsorption and villous atrophy despite adherence to a strict gluten-free diet (GFD) for at least 12 months in the absence of another cause. RCD is classified based on the T-cells in the intra-epithelial lymphocyte (IEL) morphology into type 1 with normal IEL and type 2 with aberrant IEL (clonal) by PCR (polymerase chain reaction) for T cell receptors (TCR) at the β/γ loci. RCD type 1 is managed with strict nutritional and pharmacological management. RCD type 2 can be complicated by ulcerative jejunitis or enteropathy associated lymphoma (EATL), the latter having a five-year mortality of 50%. Management options for RCD type 2 and response to treatment differs across centres and there have been debates over the best treatment option. Treatment options that have been used include azathioprine and steroids, methotrexate, cyclosporine, campath (an anti CD-52 monoclonal antibody), and cladribine or fluadribine with or without autologous stem cell transplantation. We present a tertiary centre's experience in the treatment of RCD type 2 where treatment with prednisolone and azathioprine was used, and our results show good response with histological recovery in 56.6% of treated individuals.
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26
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Linee guida per la diagnosi di laboratorio e istologica della malattia celiaca. Revisione 2015. ACTA ACUST UNITED AC 2015. [DOI: 10.1007/s13631-015-0086-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Al-toma A, Nijeboer P, Bouma G, Visser O, Mulder CJJ. Hematopoietic stem cell transplantation for non-malignant gastrointestinal diseases. World J Gastroenterol 2014; 20:17368-17375. [PMID: 25516648 PMCID: PMC4265595 DOI: 10.3748/wjg.v20.i46.17368] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2014] [Revised: 04/30/2014] [Accepted: 09/30/2014] [Indexed: 02/06/2023] Open
Abstract
Both, autologous and allogeneic hematopoietic stem cell transplantation (HSCT) can be used to cure or ameliorate a variety of malignant and non-malignant diseases. The rationale behind this strategy is based on the concept of immunoablation using high-dose chemotherapy, with subsequent regeneration of naive T-lymphocytes derived from reinfused hematopoietic progenitor cells. In addition, the use of HSCT allows for the administration of high-dose chemotherapy (whether or not combined with immunomodulating agents such as antithymocyte globulin) resulting in a prompt remission in therapy-refractory patients. This review gives an update of the major areas of successful uses of HSCT in non-malignant gastrointestinal disorders. A Medline search has been conducted and all relevant published data were analyzed. HSCT has been proved successful in treating refractory Crohn’s disease (CD). Patients with refractory celiac disease type II and a high risk of developing enteropathy associated T-cell lymphoma have shown promising improvement. Data concerning HSCT and mesenchymal SCT in end-stage chronic liver diseases are encouraging. In refractory autoimmune gastrointestinal diseases high-dose chemotherapy followed by HSCT seems feasible and safe and might result in long-term improvement of disease activity. Mesenchymal SCT for a selected group of CD is promising and may represent a significant therapeutic alternative in treating fistulas in CD.
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van Wanrooij RLJ, Müller DMJ, Neefjes-Borst EA, Meijer J, Koudstaal LG, Heideman DAM, Bontkes HJ, von Blomberg BME, Bouma G, Mulder CJJ. Optimal strategies to identify aberrant intra-epithelial lymphocytes in refractory coeliac disease. J Clin Immunol 2014; 34:828-35. [PMID: 25062848 DOI: 10.1007/s10875-014-0075-7] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2013] [Accepted: 07/02/2014] [Indexed: 12/11/2022]
Abstract
INTRODUCTION Different strategies have been developed to identify those refractory celiac disease (RCD) patients who are at risk to develop an enteropathy associated T-cell lymphoma (EATL). Flow cytometric analysis of intra-epithelial lymphocytes (IEL) with an aberrant phenotype is considered the golden standard but is not widely available. Immunohistochemistry (IHC) and T-cell receptor (TCR) rearrangement studies are commonly available but may lack sensitivity and specificity. Here, we compared the three different methods in the workup of patients suspected for RCD. METHODS Duodenal biopsies from control patient (n = 5), RCD patients with moderately increased aberrant IEL populations (20-50 %: n = 14), and RCD patients with high numbers of aberrant IEL (>50 %: n = 5) as determined by flow cytometry were analysed by IHC and TCR-γ chain rearrangement analysis. Three pathologists scored the slides independently. RESULTS Sensitivity of IHC and TCR-γ rearrangement analysis in RCD patients with high numbers of aberrant IELs was 100 and 71 %, respectively. RCD patients with aberrant cells between 25 and 50 % however, were missed by IHC and TCR in 50 and 57 % of cases, respectively. In addition, inter-rater reliability analysis of the IHC scoring revealed coder-pair Kappa coefficients between 0.28 and 0.85. CONCLUSION Immunohistochemistry and to a lesser extent TCR-γ clonality analysis are sensitive in identifying patients with high numbers of aberrant IEL populations, yet miss half of RCD patients with moderately increased numbers. In addition, IHC has a high inter-observer variability. Therefore, patients suspected for RCD should undergo flow cytometric analysis of the duodenum.
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Affiliation(s)
- R L J van Wanrooij
- Department of Gastroenterology and Hepatology, VU University Medical Center, PO Box 7057, 1007 MB, Amsterdam, The Netherlands,
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Verbeek WHM, Schreurs MWJ, Visser OJ, von Blomberg BME, Al-Toma A, Mulder CJJ. Novel approaches in the management of refractory celiac disease. Expert Rev Clin Immunol 2014; 4:205-19. [PMID: 20477051 DOI: 10.1586/1744666x.4.2.205] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Wieke H M Verbeek
- VU University Medical Center, Department of Gastroenterology and Hepatology, PO Box 7057, 1007 MB, Amsterdam, The Netherlands.
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Taavela J, Koskinen O, Huhtala H, Lähdeaho ML, Popp A, Laurila K, Collin P, Kaukinen K, Kurppa K, Mäki M. Validation of morphometric analyses of small-intestinal biopsy readouts in celiac disease. PLoS One 2013; 8:e76163. [PMID: 24146832 PMCID: PMC3795762 DOI: 10.1371/journal.pone.0076163] [Citation(s) in RCA: 140] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2013] [Accepted: 08/18/2013] [Indexed: 02/07/2023] Open
Abstract
Background Assessment of the gluten-induced small-intestinal mucosal injury remains the cornerstone of celiac disease diagnosis. Usually the injury is evaluated using grouped classifications (e.g. Marsh groups), but this is often too imprecise and ignores minor but significant changes in the mucosa. Consequently, there is a need for validated continuous variables in everyday practice and in academic and pharmacological research. Methods We studied the performance of our standard operating procedure (SOP) on 93 selected biopsy specimens from adult celiac disease patients and non-celiac disease controls. The specimens, which comprised different grades of gluten-induced mucosal injury, were evaluated by morphometric measurements. Specimens with tangential cutting resulting from poorly oriented biopsies were included. Two accredited evaluators performed the measurements in blinded fashion. The intraobserver and interobserver variations for villus height and crypt depth ratio (VH:CrD) and densities of intraepithelial lymphocytes (IELs) were analyzed by the Bland-Altman method and intraclass correlation. Results Unevaluable biopsies according to our SOP were correctly identified. The intraobserver analysis of VH:CrD showed a mean difference of 0.087 with limits of agreement from −0.398 to 0.224; the standard deviation (SD) was 0.159. The mean difference in interobserver analysis was 0.070, limits of agreement −0.516 to 0.375, and SD 0.227. The intraclass correlation coefficient in intraobserver variation was 0.983 and that in interobserver variation 0.978. CD3+ IEL density countings in the paraffin-embedded and frozen biopsies showed SDs of 17.1% and 16.5%; the intraclass correlation coefficients were 0.961 and 0.956, respectively. Conclusions Using our SOP, quantitative, reliable and reproducible morphometric results can be obtained on duodenal biopsy specimens with different grades of gluten-induced injury. Clinically significant changes were defined according to the error margins (2SD) of the analyses in VH:CrD as 0.4 and in CD3+-stained IELs as 30%.
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Affiliation(s)
- Juha Taavela
- Tampere Center for Child Health Research, University of Tampere and Tampere University Hospital, Tampere, Finland
| | - Outi Koskinen
- Tampere Center for Child Health Research, University of Tampere and Tampere University Hospital, Tampere, Finland
| | - Heini Huhtala
- Tampere School of Health Sciences, University of Tampere, Tampere, Finland
| | - Marja-Leena Lähdeaho
- Tampere Center for Child Health Research, University of Tampere and Tampere University Hospital, Tampere, Finland
| | - Alina Popp
- Tampere Center for Child Health Research, University of Tampere and Tampere University Hospital, Tampere, Finland
- Institute for Mother and Child Care “Alfred Rusescu” and University of Medicine and Pharmacy “Carol Davila”, Bucharest, Romania
| | - Kaija Laurila
- Tampere Center for Child Health Research, University of Tampere and Tampere University Hospital, Tampere, Finland
| | - Pekka Collin
- Department of Gastroenterology and Alimentary Tract Surgery, Tampere University Hospital, Tampere, Finland
| | - Katri Kaukinen
- Department of Gastroenterology and Alimentary Tract Surgery, Tampere University Hospital, Tampere, Finland
- Department of Medicine, Seinäjoki Central Hospital, Seinäjoki
- School of Medicine, University of Tampere, Tampere, Finland
| | - Kalle Kurppa
- Tampere Center for Child Health Research, University of Tampere and Tampere University Hospital, Tampere, Finland
| | - Markku Mäki
- Tampere Center for Child Health Research, University of Tampere and Tampere University Hospital, Tampere, Finland
- * E-mail:
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Immunohistochemical and T-cell receptor gene rearrangement analyses as predictors of morbidity and mortality in refractory celiac disease. J Clin Gastroenterol 2013; 47:593-601. [PMID: 23470642 DOI: 10.1097/mcg.0b013e31828a3c44] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
BACKGROUND Classification of refractory celiac disease (RCD) is based on the presence or absence of monoclonal expansions of intraepithelial lymphocytes (IELs) with an aberrant immunophenotype. GOALS To investigate the contribution of IEL parameters toward mortality and morbidity in RCD. STUDY IEL phenotype by immunohistochemistry and T-cell receptor (TCR) gene rearrangement by polymerase chain reaction were assessed in 73 RCD patients (type I=67, type II=6). Detection of a monoclonal TCR gene rearrangement and presence of <50% CD3 CD8 IELs were considered abnormal. Time to worsening of clinical symptoms and predictors of worsening were calculated by Kaplan-Meier and Cox proportional hazard analyses. RESULTS Fewer than 50% CD3 CD8 IELs were detected in 30 patients and monoclonal TCR rearrangements in 6. Three patients died and 40 suffered clinical worsening despite treatment. Estimated 5-year survival rates decreased from 100% in patients with >50% CD3 CD8 IELs and polyclonal TCR to 88% and 50% in patients with <50% CD3 CD8 IELs and monoclonal TCR, respectively. Clinical worsening was more frequent (100%) among patients harboring a monoclonal TCR gene rearrangement with <50% CD3 CD8 IELs. These patients also showed shorter median time to clinical worsening (11 mo) when compared to patients with <50% CD3 CD8 IELs alone (21 mo), polyclonal TCR (38 mo), or >50% CD3 CD8 IELs alone (66 mo). After adjusting for age and gender, only the presence of <50% CD3 CD8 IELs was associated with increased risk for clinical worsening despite negative celiac serologies (hazard ratio=4.879; 95% confidence interval, 1.785-13.336; P=0.002). CONCLUSIONS Presence of <50% CD3 CD8 IELs is a risk factor for clinical worsening in RCD and combined with a monoclonal TCR gene rearrangement result is associated with increased mortality. IEL phenotype and TCR gene rearrangement analyses provide differential information regarding morbidity and mortality in RCD.
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Abstract
A significant proportion of patients with coeliac disease are 'nonresponsive' to gluten withdrawal. Most cases of nonresponsive coeliac disease are due to persisting gluten ingestion. Refractory coeliac disease (RCD) is currently defined by persistent symptoms and signs of malabsorption after gluten exclusion for 12 months with ongoing intestinal villous atrophy. Primary (without initial response to diet) and secondary (relapse following response to diet) RCD is recognized. RCD is further classified as type I or type II based on the absence or presence of a population of aberrant intestinal lymphocytes. Quality of dietetic advice and support is fundamental, and lack of objective corroboration of gluten exclusion may result in over-identification of RCD I, particularly in those cases with persisting antibody responses. Over-reliance on lymphocyte clonality similarly may result in over-diagnosis of RCD II which requires careful quantification of aberrant lymphocyte populations. Management of RCD should be undertaken in specialist centres. It requires initial intensive dietary supervision, strict gluten exclusion and subsequent re-evaluation. There is currently insufficient evidence to recommend specific treatments. Steroids are often used in both RCD I and II (albeit with little objective evidence of benefit in RCD II), and azathioprine as steroid-sparing therapy in RCD I. There is growing evidence for the use of cladribine in RCD II with autologous stem cell transplantation in nonresponders, but this requires further multicentre evaluation. There remains considerable controversy regarding the diagnosis, treatment and surveillance of RCD: international consensus in these areas is urgently required to facilitate future therapeutic advances.
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Affiliation(s)
- Jeremy Woodward
- Consultant Gastroenterologist, Addenbrooke's Hospital, Cambridge CB2 0QQ, UK
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Baydoun A, Maakaron JE, Halawi H, Abou Rahal J, Taher AT. Hematological manifestations of celiac disease. Scand J Gastroenterol 2012; 47:1401-11. [PMID: 22861356 DOI: 10.3109/00365521.2012.706828] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Celiac disease, an autoimmune disease once thought to be uncommon, is now being increasingly identified. Our improved diagnostic modalities have allowed us to diagnose more and more patients with atypical symptoms who improve on gluten-free diet (GFD). We discuss here the latest findings regarding the various hematological manifestations of celiac disease and their management. Anemia remains the most common hematological manifestation of celiac disease due to many mechanisms, and can be the sole presenting symptom. Other manifestations include thrombocytosis and thrombocythemia, leukopenia, thromboembolism, increased bleeding tendency, IgA deficiency, splenic dysfunction, and lymphoma. The diagnosis of celiac disease should always be kept in mind when a patient presents with unexplained and isolated hematological finding. Once diagnosed, patients should adhere to GFD and be educated about the potential complications of this disease. We herein present an algorithm for adequate management and follow-up.
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Affiliation(s)
- Atallah Baydoun
- Department of Internal Medicine, Hematology-Oncology Division, American University of Beirut Medical Center, Beirut, Lebanon
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Gujral N, Freeman HJ, Thomson ABR. Celiac disease: prevalence, diagnosis, pathogenesis and treatment. World J Gastroenterol 2012; 18:6036-59. [PMID: 23155333 PMCID: PMC3496881 DOI: 10.3748/wjg.v18.i42.6036] [Citation(s) in RCA: 345] [Impact Index Per Article: 28.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2012] [Revised: 07/27/2012] [Accepted: 08/03/2012] [Indexed: 02/06/2023] Open
Abstract
Celiac disease (CD) is one of the most common diseases, resulting from both environmental (gluten) and genetic factors [human leukocyte antigen (HLA) and non-HLA genes]. The prevalence of CD has been estimated to approximate 0.5%-1% in different parts of the world. However, the population with diabetes, autoimmune disorder or relatives of CD individuals have even higher risk for the development of CD, at least in part, because of shared HLA typing. Gliadin gains access to the basal surface of the epithelium, and interact directly with the immune system, via both trans- and para-cellular routes. From a diagnostic perspective, symptoms may be viewed as either "typical" or "atypical". In both positive serological screening results suggestive of CD, should lead to small bowel biopsy followed by a favourable clinical and serological response to the gluten-free diet (GFD) to confirm the diagnosis. Positive anti-tissue transglutaminase antibody or anti-endomysial antibody during the clinical course helps to confirm the diagnosis of CD because of their over 99% specificities when small bowel villous atrophy is present on biopsy. Currently, the only treatment available for CD individuals is a strict life-long GFD. A greater understanding of the pathogenesis of CD allows alternative future CD treatments to hydrolyse toxic gliadin peptide, prevent toxic gliadin peptide absorption, blockage of selective deamidation of specific glutamine residues by tissue, restore immune tolerance towards gluten, modulation of immune response to dietary gliadin, and restoration of intestinal architecture.
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Rubio-Tapia A, Herman ML, Ludvigsson JF, Kelly DG, Mangan TF, Wu TT, Murray JA. Severe spruelike enteropathy associated with olmesartan. Mayo Clin Proc 2012; 87:732-8. [PMID: 22728033 PMCID: PMC3538487 DOI: 10.1016/j.mayocp.2012.06.003] [Citation(s) in RCA: 280] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2012] [Revised: 06/05/2012] [Accepted: 06/05/2012] [Indexed: 02/08/2023]
Abstract
OBJECTIVE To report the response to discontinuation of olmesartan, an angiotensin II receptor antagonist commonly prescribed for treatment of hypertension, in patients with unexplained severe spruelike enteropathy. PATIENTS AND METHODS All 22 patients included in this report were seen at Mayo Clinic in Rochester, Minnesota, between August 1, 2008, and August 1, 2011, for evaluation of unexplained chronic diarrhea and enteropathy while taking olmesartan. Celiac disease was ruled out in all cases. To be included in the study, the patients also had to have clinical improvement after suspension of olmesartan. RESULTS The 22 patients (13 women) had a median age of 69.5 years (range, 47-81 years). Most patients were taking 40 mg/d of olmesartan (range, 10-40 mg/d). The clinical presentation was of chronic diarrhea and weight loss (median, 18 kg; range, 2.5-57 kg), which required hospitalization in 14 patients (64%). Intestinal biopsies showed both villous atrophy and variable degrees of mucosal inflammation in 15 patients, and marked subepithelial collagen deposition (collagenous sprue) in 7. Tissue transglutaminase antibodies were not detected. A gluten-free diet was not helpful. Collagenous or lymphocytic gastritis was documented in 7 patients, and microscopic colitis was documented in 5 patients. Clinical response, with a mean weight gain of 12.2 kg, was demonstrated in all cases. Histologic recovery or improvement of the duodenum after discontinuation of olmesartan was confirmed in all 18 patients who underwent follow-up biopsies. CONCLUSION Olmesartan may be associated with a severe form of spruelike enteropathy. Clinical response and histologic recovery are expected after suspension of the drug.
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Affiliation(s)
| | | | - Jonas F. Ludvigsson
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
- Clinical Epidemiology Unit, Department of Medicine, Karolinska University Hospital and Karolinska Institutet, Stockholm, Sweden
- Department of Pediatrics, Örebro University Hospital, Örebro University, Örebro, Sweden
| | - Darlene G. Kelly
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | - Thomas F. Mangan
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | - Tsung-Teh Wu
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN
| | - Joseph A. Murray
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
- Correspondence: Address to Joseph A. Murray, MD, Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First St SW, Rochester, MN 55905
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Abstract
Enteropathy-associated T-cell lymphoma (EATL) is a complication of celiac disease (CD). This tumor derives from the neoplastic transformation of aberrant intraepithelial T lymphocytes emerging in celiac patients unresponsive to a gluten-free diet. Poor adherence to a gluten-free diet, HLA-DQ2 homozygosity, and late diagnosis of CD are recognized as risk factors for malignant evolution of CD. Recurrence of diarrhea, unexplained weight loss, abdominal pain, fever, and night sweating should alert physicians to this complication. The suspicion of EATL should lead to an extensive diagnostic workup in which magnetic resonance enteroclysis, positron emission tomography scan, and histologic identification of lesions represent the best options. Treatment includes high-dose chemotherapy preceded by surgical resection and followed by autologous stem cell transplantation, although biologic therapies seem to be promising. Strict adherence to a gluten-free diet remains the only way to prevent EATL.
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Verkarre V, Brousse N. [Histopathology of coeliac disease]. ACTA ACUST UNITED AC 2011; 61:e13-9. [PMID: 21620589 DOI: 10.1016/j.patbio.2011.03.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2011] [Accepted: 03/23/2011] [Indexed: 01/30/2023]
Abstract
Coeliac disease is a common disease, affecting 1% of the population. Clinical manifestations are multiple. The diagnosis requires serologic testing and a duodenal biopsy that shows the characteristic findings of intraepithelial lymphocytosis, crypt hyperplasia and villous atrophy, and a positive response to a gluten-free diet. In most patients, the histological diagnosis is easily established. Pitfalls in the pathological diagnosis include a poorly orientated biopsy specimen, either an inadequate biopsy sampling in patients with patchy villous atrophy and the other causes of villous atrophy. A non-response to the gluten-free diet needs to reassess first, the initial diagnosis, second to be sure of the gluten-free diet adherence, and third, to exclude malignant complications such as refractory celiac disease or enteropathy-associated T-cell lymphoma.
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Affiliation(s)
- V Verkarre
- Service de pathologie, université Paris Descartes, hôpital Necker-Enfants-Malades, AP-HP, 149, rue de Sèvres, 75743 Paris cedex 15, France
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Abstract
Celiac disease is one of the most common chronic diseases encountered in the Western world with a serological prevalence of approximately 1%. Since it is so common, much comorbidity will occur either as associations or simply by chance, or as complications of the disorder. Many of the published studies purporting to establish the frequency of these occurrences have been limited by factors such as the source and number of patients considered, choice of control groups and ascertainment bias. Recent epidemiological studies have attempted to minimize these sources of error and provide more reliable information. Autoimmune diseases constitute clinically important associations, of which Type 1 diabetes mellitus and thyroid disorders are the most important. Several liver disorders, including primary biliary cirrhosis and primary sclerosing cholangitis, are also associated. The frequency of malignant complications of celiac disease is much lower than earlier studies have indicated, with lymphoma increased by approximately fivefold and the absolute number of tumors is small. The increase in fracture risk in celiac disease is only modest. Although neurological and psychiatric conditions affect celiac patients, no disorder specifically associated with celiac disease has been identified. Reproductive problems have been overexaggerated. It is important that these co-morbidities are recognized because if not, symptoms will be falsely attributed to deliberate or inadvertent ingestion of gluten, rather than prompt a search for a second diagnosis. Furthermore, in a patient with an established diagnosis that is considered falsely to account for the whole clinical picture, celiac disease is likely to remain undetected.
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Affiliation(s)
- Nina R Lewis
- Division of Epidemiology and Public Health, University of Nottingham, UK
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Koskinen O, Lindfors K, Collin P, Peräaho M, Laurila K, Woolley N, Partanen J, Mäki M, Kaukinen K. Intestinal transglutaminase 2 specific antibody deposits in non-responsive coeliac disease. Dig Liver Dis 2010; 42:692-7. [PMID: 20409763 DOI: 10.1016/j.dld.2010.03.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2010] [Revised: 02/26/2010] [Accepted: 03/09/2010] [Indexed: 12/11/2022]
Abstract
BACKGROUND AND AIMS The diagnosis of coeliac disease is problematic in individuals not responding to a gluten-free diet. Small-bowel villous atrophy occurs in other enteropathies and non-responsive patients are often seronegative. We investigated whether small-bowel mucosal transglutaminase-2 specific autoantibody deposits distinguish non-responsive coeliac disease from other enteropathies. METHODS Small-bowel mucosal autoantibody deposits were determined in 27 non-responsive, 28 responsive coeliac patients and 10 controls with other enteropathies. Of the non-responsive coeliac patients six were adhering poorly and 21 strictly to the diet; six of the 21 had enteropathy-associated lymphoma, five refractory coeliac disease and 10 otherwise persistent villous atrophy. The presence of mucosal autoantibody deposits was compared to serology, villous morphology, densities of intraepithelial lymphocytes (IELs) and markers of refractory coeliac disease. RESULTS Twenty out of 21 well-adhering, all six poorly adhering non-responsive and all 28 untreated responsive coeliac patients had small-bowel mucosal autoantibody deposits present, while controls with other enteropathies were negative. Small-bowel mucosal autoantibody deposits were more accurate in detecting coeliac disease than serology or IEL densities. Refractory coeliac markers revealed only cases with the most severe condition. CONCLUSIONS Small-bowel mucosal autoantibody deposits differentiate coeliac disease from other enteropathies, enabling the design of appropriate therapeutic strategies.
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Affiliation(s)
- Outi Koskinen
- Pediatric Research Center and Medical School, University of Tampere, FIN-33014 Tampere, Finland
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Leon F. Flow cytometry of intestinal intraepithelial lymphocytes in celiac disease. J Immunol Methods 2010; 363:177-86. [PMID: 20833175 DOI: 10.1016/j.jim.2010.09.002] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2010] [Revised: 08/21/2010] [Accepted: 09/01/2010] [Indexed: 01/04/2023]
Abstract
This article reviews the multiple uses of flow cytometry in the diagnosis, monitoring and research of celiac disease, the most prevalent chronic autoimmune gastrointestinal disease. The phenotyping of intraepithelial lymphocytes (IELs) is of clinical relevance in the diagnosis of the disease given the characteristic features of elevated CD3+ IELs (αβ and γδ TcR) and the decrease in CD3- IELs. IEL biomarkers are also useful in the assessment of the response to the gluten-free diet and, importantly, in the diagnosis of the severe complications of celiac disease: refractory celiac disease and enteropathy-associated T-cell lymphoma. Novel applications of flow cytometry for the detection of anti-transglutaminase antibodies (a validated biomarker of celiac disease) and of gluten (the triggering antigen of the autoimmune process) are also discussed. The assessment of diagnostic and prognostic biomarkers by flow cytometry in celiac disease is performed routinely in a growing number of centers and it is an example of the versatility of this technique and its applicability to the research and clinical study of solid tissues.
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Affiliation(s)
- Francisco Leon
- Clinical Development, Alba Therapeutics, 800 W. Baltimore St, Suite 400, Baltimore, MD 21201, USA.
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Hadithi M, Peña AS. Current methods to diagnose the unresponsive and complicated forms of coeliac disease. Eur J Intern Med 2010; 21:247-53. [PMID: 20603030 DOI: 10.1016/j.ejim.2010.01.015] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2008] [Revised: 01/24/2010] [Accepted: 01/29/2010] [Indexed: 02/07/2023]
Abstract
Coeliac disease is a common disorder. Due to the protean manifestations of the disease and the often mild but indolent course, the diagnosis is often missed. The method to diagnose this in principle reversible disease after the introduction of a gluten-free diet has attracted the attention of several scientific disciplines to find the simplest and most patient-friendly test. This has resulted in a noticeable impact on the clinical practice next to a general increased awareness of its existence, its pathogenesis, its course and recent evidence of increased mortality. Amendments made in the diagnostic criteria of coeliac disease over the last half century have simplified the diagnosis. However, the aspect most relevant to the specialist in internal medicine is related to its grave consequences when the disease fails to respond to a gluten-free diet. These refractory cases may culminate in severe complications with sombre endings and malignancy. Fortunately, current technology can offer the specialist in internal medicine more facilities to diagnose the cause of the complicated cases in order to attempt to intervene in the course of disease and hopefully save these patients. We review the available tools that now exist and their indications that can be practiced in a modern clinical setting for the diagnosis of the complicated forms of this disease.
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Affiliation(s)
- M Hadithi
- Department of Gastroenterology, Maasstad Hospital, Postbus 9119, Rotterdam, The Netherlands
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Gluten-free diet and steroid treatment are effective therapy for most patients with collagenous sprue. Clin Gastroenterol Hepatol 2010; 8:344-349.e3. [PMID: 20060071 PMCID: PMC3493150 DOI: 10.1016/j.cgh.2009.12.023] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2009] [Revised: 12/17/2009] [Accepted: 12/24/2009] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Collagenous sprue (CS) is characterized by the presence of a distinctive band of subepithelial collagen deposition in the small bowel. We evaluated the clinical characteristics, treatments, and outcomes of patients with CS. METHODS Thirty patients with CS were identified at the 3 Mayo Clinic sites between 1993 and 2009. Clinical data from medical records were reviewed. RESULTS The study cohort was 70% female (age range, 53-91 years). Most patients had severe diarrhea and weight loss. Hospitalization to treat dehydration was necessary in 16 (53%) patients. Associated immune-mediated diseases were noted in 70% of the patients; celiac disease was the most frequent. Other associated diseases were microscopic colitis, hypothyroidism, and autoimmune enteropathy. The median thickness of the layer of subepithelial collagen deposition in the small bowel was 29 mum (20-56.5 mum). Subepithelial collagen deposition in the colon or stomach was noted in 8 patients. A clinical response was observed in 24 (80%) patients after treatment with a combination of a gluten-free diet and immunosuppressive drugs. Histologic improvement was confirmed in 9 patients, with complete remission in 5. Two patients died (1 of complications of CS and 1 of another illness). CONCLUSIONS Most patients with CS are treated effectively with a combination of gluten-free diet and steroids. CS is often associated with collagen deposition or chronic inflammation in other segments of the gastrointestinal tract as well as other immune-mediated disorders.
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Diatesi emorragica e linfoma intestinale. ITALIAN JOURNAL OF MEDICINE 2010. [DOI: 10.1016/j.itjm.2010.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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van de Water JMW, Cillessen SAGM, Visser OJ, Verbeek WHM, Meijer CJLM, Mulder CJJ. Enteropathy associated T-cell lymphoma and its precursor lesions. Best Pract Res Clin Gastroenterol 2010; 24:43-56. [PMID: 20206108 DOI: 10.1016/j.bpg.2009.11.002] [Citation(s) in RCA: 78] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2009] [Accepted: 11/16/2009] [Indexed: 01/31/2023]
Abstract
Enteropathy Associated T-cell Lymphoma (EATL) is an intestinal tumour of intra-epithelial lymphocytes. Based on morphology, immunohistochemistry and genetic profile EATL can be divided into two groups. EATL type I is a large cell lymphoma which is highly associated with Coeliac Disease (CD) and mostly presents with malabsorption, weight loss and CD-related symptoms. EATL type II consists of small to medium-sized cells and presents often with obstruction or perforation of the small bowel. This type of EATL has no known association with CD. When EATL has been diagnosed a thorough diagnostic work-up is needed. This work-up preferably includes video capsule enteroscopy (VCE), double-balloon enteroscopy (DBE), computed tomography (CT) combined with 18F-fluorodeoxyglucose positron emission tomography scan (18F-FDG-PET scan) if possible and magnetic resonance enteroclysis (MRE). Nowadays, most EATL patients are treated with chemotherapy mostly preceded by resection of the tumour and followed by stem cell transplantation. Despite these therapies outcome of EATL remains very poor with a 5-year survival of 8-20%. In order to improve survival prospective multicentre trials, studying new therapies are needed. The combination of chemotherapy, monoclonal antibodies and/or apoptosis inducing small molecules might be a potential treatment for EATL in the (nearby) future.
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Affiliation(s)
- Jolanda M W van de Water
- Department of Gastroenterology and Hepatology, VU University Medical Centre, Amsterdam, The Netherlands.
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Abstract
It has become apparent recently that celiac disease, once believed to be primarily a childhood disease, can affect people of any age. Epidemiologic studies have suggested that a substantial portion of patients are diagnosed after the age of 50. Indeed, in one study, the median age at the diagnosis was just under the age of 50 with one-third of new patients diagnosed being older than 65 years. The purpose of this review is to address the prevalence, clinical features, diagnosis, and consequences of celiac disease in the elderly. The authors also review management strategies for celiac disease and adjust these with emphasis on the particular nutritional and nonnutritional consequences or associations of celiac disease as they pertain to the elderly.
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Affiliation(s)
- Shadi Rashtak
- Postdoctoral research fellow, Department of Medicine, Division of Gastroenterology and Hepatology, Rochester, Minnesota
- Department of Dermatology, Mayo Clinic College of Medicine, Rochester, Minnesota
| | - Joseph A. Murray
- Professor of Medicine and Immunology, Department of Medicine, Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, Minnesota
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Lymphocytic disorders of the gastrointestinal tract: a review for the practicing pathologist. Adv Anat Pathol 2009; 16:290-306. [PMID: 19700939 DOI: 10.1097/pap.0b013e3181b5073a] [Citation(s) in RCA: 93] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Increased numbers of intraepithelial lymphocytes (lymphocytosis) can be found in the esophagus, stomach, small intestine, and colon in a variety of clinical circumstances. This review, directed at practicing pathologists, portrays the normal resident lymphocyte population in the mucosa of each segment of the digestive tract and discusses the different situations that may result in quantitative or qualitative alterations of intraepithelial lymphocytes. Esophageal lymphocytosis has not been fully characterized and its clinical significance, if any, awaits definition. Thus, this diagnosis is presently discouraged. In the stomach, it is particularly important to exclude Helicobacter pylori infection and celiac sprue before diagnosing lymphocytic gastritis. Duodenal lymphocytic infiltrates, inextricably tied with alterations of the villous architecture of the mucosa, are often caused by gluten sensitivity. However, similar morphologic changes may be caused by a vast array of other conditions that must be carefully considered and excluded. Lymphocytic and collagenous colitis are most often unexplained, but their frequent association with autoimmune conditions or certain medications deserve a thorough investigation in each case. Using a combination of histologic and clinical clues, a cause for the intraepithelial lymphocytic infiltration can be identified in many instances. As some of the associated conditions are amenable to effective treatment, the importance of diligently seeking such associations before resorting to a diagnosis of primary lymphocytosis is emphasized.
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Ho-Yen C, Chang F, van der Walt J, Mitchell T, Ciclitira P. Recent advances in refractory coeliac disease: a review. Histopathology 2009; 54:783-95. [PMID: 18700844 DOI: 10.1111/j.1365-2559.2008.03112.x] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Coeliac disease (CD) is an immune-mediated disease of the small intestine caused by intolerance to gluten. Removal of gluten from the diet results in a return to normal health for the majority of patients. A significant proportion of patients do not respond to a gluten-free diet and are considered to be suffering from refractory coeliac disease (RCD). Two types of RCD are now recognized: type 1 RCD is characterized by a polyclonal population of intraepithelial lymphocytes (IELs) with a normal immunophenotype, and type 2 RCD shows monoclonal IELs with an aberrant immunoprofile. Patients with RCD have a high risk of complications such as ulcerative jejunitis (UJ) and enteropathy-type T-cell lymphoma (ETTL). RCD2 may represent an early stage in the development of overt lymphoma. The diagnosis of RCD, therefore, has important implications, but remains a challenging area. In this paper we review the latest developments in RCD, including the diagnostic approach and a discussion of the key clinical, histological, immunohistochemical and molecular features of RCD and its complications.
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Affiliation(s)
- C Ho-Yen
- Department of Histopathology, Guy's and St Thomas' NHS Foundation Trust, London, UK.
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Rondonotti E, Villa F, Saladino V, de Franchis R. Enteroscopy in the diagnosis and management of celiac disease. Gastrointest Endosc Clin N Am 2009; 19:445-60. [PMID: 19647651 DOI: 10.1016/j.giec.2009.04.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Esophagogastroduodenoscopy (EGD) with 3 to 6 biopsies in the descending duodenum is the gold standard for the diagnosis of celiac disease. At the time of the first diagnosis of celiac disease, an extensive evaluation of the small bowel is not recommended. However, video capsule endoscopy, because of its good sensitivity and specificity in recognizing the Endoscopic features of celiac disease, can be considered a valid alternative to EGD in patients unable or unwilling to undergo EGD with biopsies. Capsule endoscopy is also a possible option in selected cases with strong suspicion of celiac disease but negative first-line tests. In evaluating patients with refractory or complicated celiac disease, in whom a complete evaluation of the small bowel is mandatory (at least in refractory celiac disease type II patients) because of the possible presence of complications beyond the reach of conventional endoscopes, both capsule endoscopy and balloon-assisted enteroscopy have been found to be helpful. In these patients, capsule endoscopy offers several advantages: it is well tolerated, it allows inspection of the entire small bowel, and it is able to recognize subtle mucosal changes. However, in this setting, capsule endoscopy should ideally be coupled with imaging techniques that provide important information about the thickness of the wall of the intestine and about extraluminal abnormalities. Although deep enteroscopy (such as balloon enteroscopy) is expensive, time-consuming, and potentially risky in these frail patients, they may have a key role, because they make it possible to take tissue samples from deep in the small intestine.
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Affiliation(s)
- Emanuele Rondonotti
- Department of Medical Sciences, Gastroenterology 3 Unit, University of Milan, IRCCS Policlinico, Mangiagalli, Regina Elena Foundation, 20122 Milan, Italy.
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Rubio-Tapia A, Kelly DG, Lahr BD, Dogan A, Wu TT, Murray JA. Clinical staging and survival in refractory celiac disease: a single center experience. Gastroenterology 2009; 136:99-107; quiz 352-3. [PMID: 18996383 PMCID: PMC3466593 DOI: 10.1053/j.gastro.2008.10.013] [Citation(s) in RCA: 187] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2008] [Revised: 09/24/2008] [Accepted: 10/02/2008] [Indexed: 02/08/2023]
Abstract
BACKGROUND & AIMS Refractory celiac disease (RCD) occurs when both symptoms and intestinal damage persist or recur despite strict adherence to a gluten-free diet. In RCD, the immunophenotype of intraepithelial lymphocytes may be normal and polyclonal (RCD I) or abnormal and monoclonal (RCD II). The aim is to describe the clinical characteristics, treatment, and long-term outcome in a large single-center cohort of patients with RCD. METHODS We compared the clinical characteristics and outcome in 57 patients with RCD: 42 with RCD I and 15 with RCD II. RESULTS Fifteen of 57 patients died during follow-up (n=8 with RCD I and n=7 with RCD II), each within the first 2 years after RCD diagnosis. The overall 5-year cumulative survival is 70%, 80%, and 45% for the entire cohort, RCD I, and RCD II, respectively. The refractory state itself and enteropathy-associated T-cell lymphoma (EATL) were the most common causes of death, respectively. A new staging system is proposed based on the cumulative effect of 5 prognostic factors investigated at the time of the refractory state diagnosis: for patients in stages I, II, and III, the 5-year cumulative survival rate was 96%, 71%, and 19%, respectively (P< .0001). CONCLUSIONS RCD is associated with high mortality with RCD II having an especially poor prognosis because of the development of EATL. A new staging model is proposed that may improve the precision of prognosis in patients with RCD.
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Affiliation(s)
- Alberto Rubio-Tapia
- Division of Gastroenterology and Hepatology, Dpt. of Medicine, Mayo Clinic College of Medicine, Rochester, MN 55905
| | - Darlene G Kelly
- Division of Gastroenterology and Hepatology, Dpt. of Medicine, Mayo Clinic College of Medicine, Rochester, MN 55905
| | - Brian D Lahr
- Division of Biostatistics, Dpt. of Health Sciences Research, Mayo Clinic College of Medicine, Rochester, MN 55905
| | - Ahmet Dogan
- Division of Anatomic Pathology, Dpt. of Laboratory Medicine and Pathology, Mayo Clinic College of Medicine, Rochester, MN 55905
| | - Tsung-Teh Wu
- Division of Anatomic Pathology, Dpt. of Laboratory Medicine and Pathology, Mayo Clinic College of Medicine, Rochester, MN 55905
| | - Joseph A Murray
- Division of Gastroenterology and Hepatology, Dpt. of Medicine, Mayo Clinic College of Medicine, Rochester, MN 55905
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Patey-Mariaud de Serre N, Canioni D, Ganousse S, Rieux-Laucat F, Goulet O, Ruemmele F, Brousse N. Digestive histopathological presentation of IPEX syndrome. Mod Pathol 2009; 22:95-102. [PMID: 18820676 DOI: 10.1038/modpathol.2008.161] [Citation(s) in RCA: 92] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Immunodysregulation, polyendocrinopathy, enteropathy, and X-linked inheritance (IPEX) syndrome is a well recognized and particularly severe form of autoimmune enteropathy. It has an X-linked recessive transmission, and is caused by mutations in the FOXP3 gene. We studied the intestinal morphological changes characterizing IPEX syndrome in a series of 12 children with a molecularly confirmed diagnosis. Histological examination of duodenal, gastric and colonic biopsies were retrospectively reviewed and compared by two independent experienced pathologists. In parallel, the presence of circulating anti-enterocyte antibodies was analysed using an indirect immunofluorescence technique and a quantitative radioligand assay against the 75-kDa autoantigen. The morphology of the inflammatory gut lesions could be categorized into three different entities, namely graft-vs-host disease-like changes (9/12 patients), a coeliac disease-like pattern (2/12) and an enteropathy with a complete depletion of goblet cells (1/12). Our results do not suggest any phenotype-genotype correlation. Circulating antibodies were detected in all 12 patients, with an anti-brush border pattern (11/12) and anti-goblet cell antibodies (1/12), as well as by a radioligand assay. The histological presentation of autoimmune enteropathy is rather variable. However, a graft-vs-host disease-like pattern associated with positive anti-enterocyte antibodies is the most frequent intestinal presentation of IPEX syndrome, and constitutes a very valuable tool for pathologists to suspect this diagnosis.
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