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Lee MHH, Smith EJ, Hardy TG, Graf N, Tumuluri K. Paediatric Orbital Juvenile Xanthogranuloma: A Case Series and Review of the Literature. Ophthalmic Plast Reconstr Surg 2024:00002341-990000000-00389. [PMID: 38687290 DOI: 10.1097/iop.0000000000002696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2024]
Abstract
PURPOSE Juvenile xanthogranuloma (JXG) is a subtype of histiocytosis characterised histologically by foamy non-Langerhan cells with Touton giant cells. It typically manifests as a single self-limiting cutaneous nodule in the paediatric population. Orbital JXG is extremely rare, and its clinical course and management are not well understood or defined. Herein we present 3 cases of orbital JXG and provide a detailed literature review. METHODS Review of 3 cases with orbital JXG and literature review of all published cases. RESULTS Three presented cases demonstrate the heterogeneous clinical course of orbital JXG. Although centred around the use of steroids, there is neither robust evidence nor consensus on its management. The wider JXG literature is currently concentrated around the classification of JXG with respect to histiocytosis, especially the exclusion of extracutaneous JXG as separate diseases. This separation is based on clinical, histopathological, and molecular findings. It is unclear where orbital JXG best fits in this emerging classification of JXG. CONCLUSION Our review of the cases and literature on orbital JXG show that it may manifest with variable clinical course and its molecular pathogenic mechanism may be different to that of the cutaneous JXG.
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Affiliation(s)
- Ming-Han H Lee
- Department of Ophthalmology, The Children's Hospital at Westmead, Sydney Children's Hospital Network, Westmead
- School of Medicine, The University of Sydney
- Save Sight Institute, Sydney, New South Wales
| | - Ebony J Smith
- Department of Ophthalmology, The Children's Hospital at Westmead, Sydney Children's Hospital Network, Westmead
- Department of Ophthalmology, Sunshine Coast University Hospital, Queensland
| | - Thomas G Hardy
- Orbital, Plastic and Lacrimal Service (OPAL), Royal Victorian Eye and Ear Hospital, Melbourne
- Department of Ophthalmology, Royal Children's Hospital
- Department of Surgery, Royal Melbourne Hospital, University of Melbourne, Parkville, Victoria
| | - Nicole Graf
- School of Medicine, The University of Sydney
- Department of Histology, The Children's Hospital at Westmead, Sydney Children's Hospital Network, Westmead
- School of Medicine, Western Sydney University, Campbelltown, Sydney, New South Wales, Australia
| | - Krishna Tumuluri
- Department of Ophthalmology, The Children's Hospital at Westmead, Sydney Children's Hospital Network, Westmead
- School of Medicine, The University of Sydney
- Save Sight Institute, Sydney, New South Wales
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2
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Ambar N, Mans C, Gasper DJ. Antemortem Diagnosis and Successful Long-term Management of Disseminated Intracoelomic Xanthogranulomatous Disease in an Eclectus Parrot ( Eclectus roratus). J Avian Med Surg 2024; 37:330-338. [PMID: 38363165 DOI: 10.1647/2023-0013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2024]
Abstract
A 12-year-old male eclectus parrot (Eclectus roratus) was referred for evaluation of coelomic distention. Computed tomography and blood work revealed coelomic effusion with free coelomic mineral-attenuating material and elevations in the bile acids and aspartate aminotransferase activity, respectively. Coelomic effusion was consistent with macrophagic inflammation with abundant intracellular lipids. Initial treatment with meloxicam resulted in minimal patient improvement. Disseminated xanthogranulomatous inflammation was suspected based on imaging and diagnostic laboratory results, which were consistent with those previously reported. Biopsy samples of liver tissue and intracoelomic masses confirmed this diagnosis. Treatment was initiated with prednisolone 1 mg/kg/d for 6 months, followed by 0.5 mg/kg/d for 3 months. Clinical improvement was assessed based on owner evaluation, plasma bile acid concentrations, and repeated computed tomographic scans. After 2 months of treatment, the owner reported improved behavior and appetite; this persisted throughout treatment and when the bird was reexamined 17 months following the cessation of steroid therapy. Bile acid concentrations were normal 10 months after the prednisolone therapy was discontinued. Diagnostic imaging showed minimal coelomic effusion 10 months after the last prednisolone dose was administered, with improved ventilation of the air sacs and static to improved dystrophic mineral foci. This report describes the antemortem diagnosis and treatment of disseminated coelomic xanthogranulomatous disease in a psittacine species, with an observed measurable therapeutic response.
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Affiliation(s)
- Neta Ambar
- School of Veterinary Medicine, University of Wisconsin, Madison, Madison, WI 53706, USA
| | - Christoph Mans
- School of Veterinary Medicine, University of Wisconsin, Madison, Madison, WI 53706, USA,
| | - David J Gasper
- School of Veterinary Medicine, University of Wisconsin, Madison, Madison, WI 53706, USA
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3
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Koster SBL, Vinke ME, van den Bos C, van Heel WJM, Kranendonk MEG, Natté R, van Tuyll van Serooskerken AM. A case report of a blueberry muffin baby caused by congenital self-healing indeterminate cell histiocytosis. BMC Pediatr 2023; 23:111. [PMID: 36890472 PMCID: PMC9993593 DOI: 10.1186/s12887-023-03922-5] [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: 02/25/2022] [Accepted: 02/19/2023] [Indexed: 03/10/2023] Open
Abstract
BACKGROUND Blueberry muffin is a descriptive term for a neonate with multiple purpuric skin lesions. Many causes are known, amongst them life-threatening diseases like congenital infections or leukemia. Indeterminate cell histiocytosis (ICH) is an exceptionally rare cause of blueberry muffin rash. ICH is a histiocytic disorder which can be limited to the skin or can present with systemic involvement. A mutation that has been described in histiocytic disorders is a MAP2K1 mutation. In ICH, this mutation has previously been described in merely one case. CASE PRESENTATION A term male neonate was admitted to the neonatology ward directly after birth because of a blueberry muffin rash. ICH was diagnosed on skin biopsy. The lesions resolved spontaneously. The patient is currently 3 years old and has had no cutaneous lesions or systemic involvement so far. This disease course is similar to that of the Hashimoto-Pritzker variant of LCH. CONCLUSIONS ICH can manifest in neonates as resolving skin lesions. It is limited to the skin in most cases, but systemic development is possible. Therefore, it is essential to confirm the diagnosis with a biopsy before the lesions resolve and to monitor these patients closely with routine follow-up.
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Affiliation(s)
- S B L Koster
- Department of Dermatology, Erasmus Medisch Centrum, Doctor Molewaterplein 40, 3015, GD, Rotterdam, The Netherlands.
| | - M E Vinke
- Department of Hemato-oncology, Prinses Máxima Centrum, Heidelberglaan 25, 3584, CS, Utrecht, The Netherlands
| | - C van den Bos
- Department of Hemato-oncology, Prinses Máxima Centrum, Heidelberglaan 25, 3584, CS, Utrecht, The Netherlands
| | - W J M van Heel
- Department of Pediatrics, HagaZiekenhuis/Juliana Kinderziekenhuis, Els Borst-Eilersplein 275, 2545, AA, Den Haag, The Netherlands
| | - M E G Kranendonk
- Department of Pathology, Prinses Máxima Centrum, Heidelberglaan 25, 3584, CS, Utrecht, The Netherlands
| | - R Natté
- Department of Pathology, HagaZiekenhuis, Els Borst-Eilersplein 275, 2545, AA, Den Haag, The Netherlands
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4
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Clark EE, Walton M, Chow LML, Boyd JT, Yohannan MD, Arya S. Disseminated Juvenile Xanthogranuloma with a Novel MYH9-FLT3 Fusion Presenting as a Blueberry Muffin Rash in a Neonate. AJP Rep 2023; 13:e5-e10. [PMID: 36816441 PMCID: PMC9937778 DOI: 10.1055/a-2015-1080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 12/19/2022] [Indexed: 01/20/2023] Open
Abstract
Juvenile xanthogranuloma (JXG) is a benign proliferative histiocytic disorder of the dendritic cell phenotype. It mostly presents in the pediatric age group as a solitary skin lesion. We describe a rare case of an infant born with disseminated JXG who presented with a blueberry muffin rash at birth. A term infant was noted to have multiple petechiae, purple nodules, and macules (1 mm-2 cm in diameter) and hepatosplenomegaly, at the time of birth. Further investigations revealed thrombocytopenia and direct hyperbilirubinemia and a magnetic resonance imaging showed scattered tiny foci of restricted diffusion in multiple areas of the brain. Patient received multiple platelet transfusions in the first few weeks with gradual improvement in thrombocytopenia. Ultimately, a biopsy of one of the lesions revealed the diagnosis of disseminated JXG with notable atypical features. Somatic mutation analysis showed a novel MYH9-FLT3 fusion, but a bone marrow biopsy was negative. The lesions faded over time, relative to patient's growth and normal neurodevelopment was noted at 18 months of age. JXG should be considered in the differentials of blueberry muffin rash in an infant. Although, JXG is mostly a self-limited condition, congenital disseminated JXG may be associated with significant morbidity and mortality.
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Affiliation(s)
- Emily E Clark
- Department of Neonatology, Dayton Children's Hospital, Dayton, Ohio
| | - Mollie Walton
- Department of Pediatric Cardiology, Children's Mercy Kansas City, Overland Park, Kansas
| | - Lionel M L Chow
- Department of Pediatric Hematology/Oncology, Wright State University Boonshoft School of Medicine and Dayton Children's Hospital, Dayton, Ohio
| | - J Todd Boyd
- Department of Pathology and Laboratory Medicine, Wright State University Boonshoft School of Medicine and Dayton Children's Hospital, Dayton, Ohio
| | - M David Yohannan
- Department of Neonatology, Dayton Children's Hospital, Dayton, Ohio.,Department of Neonatal-Perinatal Medicine, Wright State University Boonshoft School of Medicine and Dayton Children's Hospital, Dayton, Ohio
| | - Shreyas Arya
- Department of Neonatology, Dayton Children's Hospital, Dayton, Ohio.,Department of Neonatal-Perinatal Medicine, Wright State University Boonshoft School of Medicine and Dayton Children's Hospital, Dayton, Ohio
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5
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Serrallach BL, Kralik SF, Tran BH, Huisman TAGM, Patel RP, Allen CE, McClain KL, Gulati N, Dillard-Ilboudo CQ, Hicks MJ, Mohila CA, Desai NK. Neuroimaging in Pediatric Patients with Juvenile Xanthogranuloma of the CNS. AJNR Am J Neuroradiol 2022; 43:1667-1673. [PMID: 36265894 PMCID: PMC9731252 DOI: 10.3174/ajnr.a7683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 08/08/2022] [Indexed: 02/01/2023]
Abstract
BACKGROUND AND PURPOSE Juvenile xanthogranuloma is a rare clonal, myeloid, neoplastic disorder. Typically, juvenile xanthogranuloma is a self-limited disorder of infancy, often presenting as a solitary red-brown or yellow skin papule/nodule. A small subset of patients present with extracutaneous, systemic juvenile xanthogranuloma, which may include the CNS. The goal of this retrospective study was to evaluate and categorize the neuroimaging findings in a representative cohort of pediatric patients with CNS juvenile xanthogranuloma. MATERIALS AND METHODS The brain and/or spine MR imaging data of 14 pediatric patients with pathology-proven juvenile xanthogranuloma were categorized and evaluated for the location; the signal intensity of xanthogranulomas on T1WI, T2WI, DWI, and a matching ADC map for the pattern and degree of contrast enhancement; and the presence of perilesional edema, cysts, or necrosis. RESULTS Fourteen pediatric patients (8 girls, 6 boys; mean age, 84 months) were included in the study. Patients presented with a wide variety of different symptoms, including headache, seizure, ataxia, strabismus, hearing loss, facial paresis, and diabetes insipidus. Juvenile xanthogranuloma lesions were identified in a number of different sites, including supra- and infratentorial as well as intracranial and spinal leptomeningeal. Five patients were categorized into the neuroradiologic pattern unifocal CNS juvenile xanthogranuloma; 8, into multifocal CNS juvenile xanthogranuloma; and 1, into multifocal CNS juvenile xanthogranuloma with intracranial and spinal leptomeningeal disease. In most cases, xanthogranulomas were small-to-medium intra-axial masses with isointense signal on T1WI (compared with cortical GM), iso- or hyperintense signal on T2WI, had restricted diffusion and perilesional edema. Almost all xanthogranulomas showed avid contrast enhancement. However, we also identified less common patterns with large lesions, nonenhancing lesions, or leptomeningeal disease. Four cases had an additional CT available. On CT, all xanthogranulomas were homogeneously hyperdense (solid component) without evident calcifications. CONCLUSIONS CNS juvenile xanthogranuloma may demonstrate heterogeneous neuroimaging appearances potentially mimicking other diseases, such as primary brain neoplasms, metastatic disease, lymphoma and leukemia, other histiocytic disorders, infections, or granulomatous diseases.
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Affiliation(s)
- B L Serrallach
- From the Edward B. Singleton Department of Radiology (B.L.S., S.F.K., B.H.T., T.A.G.M.H., R.P.P., N.K.D.)
| | - S F Kralik
- From the Edward B. Singleton Department of Radiology (B.L.S., S.F.K., B.H.T., T.A.G.M.H., R.P.P., N.K.D.)
| | - B H Tran
- From the Edward B. Singleton Department of Radiology (B.L.S., S.F.K., B.H.T., T.A.G.M.H., R.P.P., N.K.D.)
| | - T A G M Huisman
- From the Edward B. Singleton Department of Radiology (B.L.S., S.F.K., B.H.T., T.A.G.M.H., R.P.P., N.K.D.)
| | - R P Patel
- From the Edward B. Singleton Department of Radiology (B.L.S., S.F.K., B.H.T., T.A.G.M.H., R.P.P., N.K.D.)
| | - C E Allen
- Department of Pediatrics (C.E.A., K.L.M., N.G., C.Q.D.-I.), Section of Hematology-Oncology
| | - K L McClain
- Department of Pediatrics (C.E.A., K.L.M., N.G., C.Q.D.-I.), Section of Hematology-Oncology
| | - N Gulati
- Department of Pediatrics (C.E.A., K.L.M., N.G., C.Q.D.-I.), Section of Hematology-Oncology
| | - C Q Dillard-Ilboudo
- Department of Pediatrics (C.E.A., K.L.M., N.G., C.Q.D.-I.), Section of Hematology-Oncology
| | - M J Hicks
- Department of Pathology and Immunology (M.J.H., C.A.M.), Texas Children's Hospital and Baylor College of Medicine, Houston, Texas
| | - C A Mohila
- Department of Pathology and Immunology (M.J.H., C.A.M.), Texas Children's Hospital and Baylor College of Medicine, Houston, Texas
| | - N K Desai
- From the Edward B. Singleton Department of Radiology (B.L.S., S.F.K., B.H.T., T.A.G.M.H., R.P.P., N.K.D.)
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6
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Wegher LSM, Kazmarek LM, Silva ACF, Maciel MG, Sasso BM, Teixeira F, Cintra ML. What is the Role of Different Macrophage Subsets in the Evolution of Juvenile Xanthogranulomas? Appl Immunohistochem Mol Morphol 2022; 30:e54-e58. [PMID: 35435864 DOI: 10.1097/pai.0000000000001029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 02/26/2022] [Indexed: 11/26/2022]
Abstract
There are several activated forms of macrophages: 2 main groups are designated M1 and M2. While M1 macrophages have proinflammatory, bactericidal, and phagocytic functions and are the dominant phenotype observed in the early stages of inflammation, M2 macrophages are involved in constructive processes such as tissue repair; they play a role in wound healing and are required for revascularization and re-epithelialization. Juvenile xanthogranuloma (JXG) is the most common non-Langerhans cell histiocytosis. Its pathogenesis is not well understood, but it is not considered a neoplastic entity. JXGs possibly appear as a reaction to a nonspecific injury such as trauma or viral infection, although a genetic predisposition has been suggested in some cases. Tissue damage leads to a histiocytic response. JXGs appear, evolve toward maturation, and then most of them spontaneously regress. Young JXGs are characterized by small macrophages scattered in the dermis, in apposition close to the epidermis. As the lesion matures, the number of foamy macrophages and Touton cells increases and other cell types such as plasma cells, lymphocytes, and polymorphs are observed. Regressing xanthogranulomas will show numerous spindle cells in Significant values are in bold.a storiform distribution, interstitial fibrosis, and few foamy and Touton cells. In this study, we studied the immunophenotypic profile of macrophages found in cutaneous JXGs according to their stage of maturation. We examined the skin biopsies from 25 patients; all were embedded in paraffin and stained with hematoxylin and eosin and for immunohistochemistry. Typically, all JXGs were positive for factor XIIIa and CD4, and were negative for CD1a. The following histiocyte markers were used: CD68, CD204, CD163, MAC387, and HAM56. Images were analyzed by Image J software; data were statistically evaluated by SAS 9.0 software. The cases showed a slight predominance of males and the preference of the JXGs for the axial skin. Lesions occupied the papillary and reticular dermis in 85% of the cases and extended to the subcutaneous fat in the remainder. Compared with mature and regressing JXGs, younger lesions had a higher density of M1 macrophages, stained with MAC387. This antibody labels the histiocytes that have recently arrived in the areas of inflammation. As the lesions matured, there was an overwhelming predominance of M2 macrophages. These cells tended to cluster against the epidermis, except in the 2 cases in phase of regression. This suggests that there is a cross-talk between the epidermis and macrophages and that receptors, cytokines, chemokines, and adhesion molecules may play a role in the development and evolution of JXGs. These results indicate that, for most of their life, JXGs are formed by repairing M2 macrophages and are not just an M1 macrophagic response to a local antigen. The process appears to be influenced by chemical-mediator epidermal-macrophage cross-talking, considering the tendency of these cells to accumulate against the dermoepidermal junction.
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Affiliation(s)
- Lissa S M Wegher
- Departments of Pathology
- Dermatology, School of Medical Sciences, State University of Campinas, Sao Paulo, Brazil
| | | | | | - Marina G Maciel
- Dermatology, School of Medical Sciences, State University of Campinas, Sao Paulo, Brazil
| | - Bruna M Sasso
- Departments of Pathology
- Dermatology, School of Medical Sciences, State University of Campinas, Sao Paulo, Brazil
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Juvenile Xanthogranuloma of the Pancreas in a Pediatric Patient Mimicking Pancreatic Neoplasm With High CA 19-9: Case Report and Literature Review. J Pediatr Hematol Oncol 2022; 44:e747-e750. [PMID: 34387630 DOI: 10.1097/mph.0000000000002279] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 06/09/2021] [Indexed: 11/26/2022]
Abstract
Juvenile xanthogranuloma (JXG) is a rare, non-Langerhans cell histiocytosis. It is usually a benign and self-limiting condition. The most common sites are skin and soft tissue. Pancreatic involvement is extremely rare. We present an unusual case of a 13-month-old female child with JXG of the pancreas and elevated cancer antigen 19-9. JXG should always be considered as a differential diagnosis for pediatric patients presenting with a pancreatic mass, solid and/or cystic in nature. Therefore, avoiding unnecessary invasive diagnostic procedures.
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8
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Siddaiahgari S, Lingappa L, Penmetcha C. Ten-year outcome in disseminated juvenile xanthogranuloma with central nervous system involvement: A case report. Pediatr Blood Cancer 2022; 69:e29448. [PMID: 34957667 DOI: 10.1002/pbc.29448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 10/16/2021] [Accepted: 10/19/2021] [Indexed: 11/08/2022]
Affiliation(s)
- Sirisharani Siddaiahgari
- Department of Pediatric Hematology Oncology and Bone Marrow Transplantation, Rainbow Children's Hospital, Hyderabad, India
| | - Lokesh Lingappa
- Department of Pediatric Neurosciences, Rainbow Children's Hospital, Hyderabad, India
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Salavastru CM, Butacu AI, Fritz K, Eren S, Tiplica GS. [Benign skin neoplasms in children]. Hautarzt 2022; 73:127-137. [PMID: 35029698 DOI: 10.1007/s00105-021-04935-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/14/2021] [Indexed: 10/19/2022]
Abstract
There are many different types of skin neoplasms in children and most are benign. Dermatologists should be able to differentiate between the various types of benign skin neoplasms and be able to recommend optimal treatment to concerned patients. Surgical removal of benign skin neoplasms is often the only treatment option. The aim of this paper is to provide a general overview of epidermal lesions (e.g., inflammatory linear verrucous epidermal nevus [ILVEN], nevus sebaceous), tumors of the epidermal appendages (e.g. pilomatrixoma), cutaneous neoplasms (e.g. angiofibroma), fibromatoses (e.g., knuckle pads), tumors comprised of fat, muscle, or bone tissue (e.g., osteoma cutis, subungual exostosis), epidermal cysts and pseudocysts, and pathologic fibrosis reactions after dermal injury (keloid). Scientific data are scarce and only in the last decade has it been possible to perform histopathological examinations and genetic studies together with detailed phenotyping to gain new understanding of the pathogenetic mechanisms.
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Affiliation(s)
- Carmen Maria Salavastru
- Pädiatrische Dermatologie, Dermatoonkologisches Forschungungslabor, Colentina Klinik, Carol-Davila-Universität für Medizin und Pharmazie, Bukarest, Rumänien
| | - Alexandra-Irina Butacu
- Dermatologie II, Colentina Klinik, Carol-Davila-Universität für Medizin und Pharmazie, Stefan cel Mare Street 19-21, 020125, Bukarest, Rumänien.
| | - Klaus Fritz
- Dermatologie II, Colentina Klinik, Carol-Davila-Universität für Medizin und Pharmazie, Stefan cel Mare Street 19-21, 020125, Bukarest, Rumänien.,Hautärzte und Laserzentrum Landau, Landau, Deutschland
| | - Seher Eren
- Hautärzte und Laserzentrum Landau, Landau, Deutschland
| | - George-Sorin Tiplica
- Dermatologie II, Colentina Klinik, Carol-Davila-Universität für Medizin und Pharmazie, Stefan cel Mare Street 19-21, 020125, Bukarest, Rumänien
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10
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Buján MM, Sánchez La Rosa C, Galluzzo Mutti ML, Braier J, Diamond EL. Progressive nodular histiocytosis in a 9-year-old boy treated with cobimetinib. Pediatr Dermatol 2022; 39:115-118. [PMID: 34935192 PMCID: PMC8819602 DOI: 10.1111/pde.14887] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Progressive nodular histiocytosis is a rare variant of non-Langerhans cell histiocytosis that affects the skin and mucous membranes and displays a progressive clinical course and poor response to treatment. We describe a case of severe progressive nodular histiocytosis harboring a KRAS p.G12S mutation in a 9-year-old boy, refractory to chemotherapy, who was successfully treated with the MEK inhibitor cobimetinib. This is the first report of the use of MEK inhibition for this histiocytosis subtype in a pediatric patient.
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Affiliation(s)
- María Marta Buján
- Department of Dermatology, Hospital Nacional de Pediatría "Prof. Dr. Juan P. Garrahan", Buenos Aires, Argentina
| | - Cristian Sánchez La Rosa
- Department of Hemato-Oncology, Hospital Nacional de Pediatría "Prof. Dr. Juan P. Garrahan", Buenos Aires, Argentina
| | - María Laura Galluzzo Mutti
- Department of Pathology, Hospital Nacional de Pediatría "Prof. Dr. Juan P. Garrahan", Buenos Aires, Argentina
| | - Jorge Braier
- Department of Hemato-Oncology, Hospital Nacional de Pediatría "Prof. Dr. Juan P. Garrahan", Buenos Aires, Argentina
| | - Eli L Diamond
- Department of Neurology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
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Gaw CE, Turn CS, Rheingold SR, Castelo-Soccio L, Tencer J, Gans AS, Scarfone RJ. Scalp Nodules and Facial Droop in an Infant. Pediatrics 2021; 148:peds.2021-049969. [PMID: 34610947 DOI: 10.1542/peds.2021-049969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/21/2021] [Indexed: 11/24/2022] Open
Abstract
A previously healthy, term, 5-week-old girl initially presented to her primary care physician with a solitary, enlarging scalp nodule. The infant was otherwise well without additional signs or symptoms of illness. Over the next several weeks, the nodule continued to grow, and additional lesions appeared on her scalp. An ultrasound of the primary nodule revealed a hypoechoic structure favored to represent a serosanguinous fluid collection. After evaluation by general surgery and dermatology, she underwent a scalp biopsy of the largest lesion. While biopsy specimen results were pending, her parents noted that she was developing increased irritability, difficulty closing her right eye, and facial weakness. She was referred to the emergency department where a right-sided facial droop involving the brow and forehead was noted. The skin biopsy specimen results, along with subsequent laboratory studies and imaging, led to the final diagnosis.
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Affiliation(s)
| | | | | | | | | | - Anjuli S Gans
- Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
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12
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Choraria A, Andrei V, Rajakulasingam R, Saifuddin A. Musculoskeletal imaging features of non-Langerhans cell histiocytoses. Skeletal Radiol 2021; 50:1921-1940. [PMID: 33787962 DOI: 10.1007/s00256-021-03765-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 03/01/2021] [Accepted: 03/19/2021] [Indexed: 02/02/2023]
Abstract
The non-Langerhans cell histiocytoses (N-LCH) represent a group of rare diseases with different clinical presentations and imaging features to classical LCH. While there is a long list of entities, only few present with musculoskeletal soft tissue and osseous manifestations alongside the more commonly reported systemic findings. Erdheim-Chester disease (ECD) is typically seen in adults as bilateral and symmetrical long bone osteosclerosis. Rosai-Dorfman disease (RDD) is more commonly seen in children and young adults with bone involvement usually being a manifestation of extra-nodal disease. Primary osseous RDD is very rare, with both displaying rather non-specific imaging features of an expansile lucent lesion with or without an extra-osseous component. Juvenile xanthogranuloma (JXG) is a benign disorder typically seen in very young children. The most common imaging manifestation is a dermal or sub-dermal soft tissue mass. This article reviews the musculoskeletal imaging appearances of the commoner N-LCH.
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Affiliation(s)
- Anika Choraria
- Department of Radiology, Royal National Orthopaedic Hospital, Brockley Hill, Stanmore, Middlesex, HA7 4LP, UK
| | - Vanghelita Andrei
- Department of Histopathology, Royal National Orthopaedic Hospital, Brockley Hill, Stanmore, Middlesex, HA7 4LP, UK
| | - Ramanan Rajakulasingam
- Department of Radiology, Royal National Orthopaedic Hospital, Brockley Hill, Stanmore, Middlesex, HA7 4LP, UK.
| | - Asif Saifuddin
- Department of Radiology, Royal National Orthopaedic Hospital, Brockley Hill, Stanmore, Middlesex, HA7 4LP, UK
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Ribeiro PHO, Fritsch LN, Fernandes GJM, Oliveira AMD, Ribeiro FBDAO. Upper eyelid juvenile xanthogranuloma: a case report. REVISTA BRASILEIRA DE OFTALMOLOGIA 2021. [DOI: 10.37039/1982.8551.20210030] [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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14
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Calderon C, Ramsingh A, Pattron R, Umakanthan S, Ramnarine D. Multiple intracranial juvenile xanthogranuloma not a straightforward diagnosis (a case report). Int J Surg Case Rep 2021; 85:106265. [PMID: 34388899 PMCID: PMC8353501 DOI: 10.1016/j.ijscr.2021.106265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 07/31/2021] [Accepted: 08/01/2021] [Indexed: 11/30/2022] Open
Abstract
INTRODUCTION AND IMPORTANCE Juvenile xanthogranuloma (JXG) rarely presents as multifocal intracranial disease in the paediatric population. Therefore, this case of extensive tumour burden, primarily within the lateral ventricles, presented a neurosurgical challenge on numerous fronts. PRESENTATION OF CASE This is the case of a 9-year-old male presenting with a 2-year history of visual disturbances. Radiographic imaging demonstrated extensive intracranial masses involving both lateral ventricles, the straight sinus and right cerebellum. A staged tumour resection was planned, targeting the lesions within the right lateral ventricle initially. Complete resection was achieved during surgery. Post-operative morbidity showed a decline in the patient's functional status with respect to mobility and communication, Glasgow outcome scale 3. Extensive immunohistochemical analysis ultimately revealed a diagnosis of JXG. The patient is undergoing chemotherapy, with subsequent surgical resection being dependent on overall recovery. CLINICAL DISCUSSION JXG is the most common form of non-Langerhans histiocytosis and typically arises as a cutaneous disorder during early childhood. It is a rare cause of extensive intracranial tumour burden, with limited publications of this kind in the literature. This is even more atypical given the absence of any of the classic cutaneous morphology seen in JXG. CONCLUSION JXG involving the central nervous system is a rare encounter. Therefore, a clear algorithm for the management of a case of extensive intracranial tumours resulting from JXG has not been defined. This only amplifies the difficulty in treating these cases.
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Affiliation(s)
- Chrystal Calderon
- Department of Surgery, Eric Williams Medical Sciences Complex, North Central Regional Health Authority, Trinidad and Tobago,Corresponding author at: Savoie 5, French Village, Eric Williams Medical Sciences Complex, Mount Hope, Trinidad and Tobago.
| | - Amit Ramsingh
- Department of Surgery, Eric Williams Medical Sciences Complex, North Central Regional Health Authority, Trinidad and Tobago
| | - Rohini Pattron
- Department of Surgery, Eric Williams Medical Sciences Complex, North Central Regional Health Authority, Trinidad and Tobago
| | - Srikanth Umakanthan
- Department of Paraclinical Sciences Pathology Unit, Faculty of Medical Sciences, University of the West Indies Eric Williams Medical Sciences Complex, North Central Regional Health Authority, Trinidad and Tobago
| | - Devindra Ramnarine
- Honorary Adult & Paediatric Neurosurgeon, Department of Paediatric Surgery, Eric Williams Medical Sciences Complex, North Central Regional Health Authority, Trinidad and Tobago
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15
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Xanthoma in the external acoustic meatus. JOURNAL OF PEDIATRIC SURGERY CASE REPORTS 2021. [DOI: 10.1016/j.epsc.2021.101862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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16
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Al-Qassab S, Lalam R, Botchu R, Bazzocchi A. Imaging of Pediatric Soft Tissue Tumors and Tumor-like Conditions. Semin Musculoskelet Radiol 2021; 25:39-56. [PMID: 34020467 DOI: 10.1055/s-0041-1723966] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Lumps and bumps are frequently seen in children, and the vast majority are a result of trauma, infection, or inflammation. True soft tissue neoplastic lesions are rare; however, their wide and complex classifications make these lesions challenging to manage. Imaging features are usually nonspecific, and a reasonable list of differential diagnoses can be generated following consideration of the clinical presentation, age, and anatomical location of the lesion. In this article, we offer a practical approach to diagnosing such lesions by discussing the most common three benign and malignant lesions in different anatomical regions stratified by age with emphasis on certain features that might aid in the diagnosis such as depth, multiplicity, calcification, or other specific imaging feature.
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Affiliation(s)
- Sinan Al-Qassab
- Robert Jones and Agnes Hunt Orthopaedic Hospital NHS Foundation Trust, Oswestry, United Kingdom
| | - Radhesh Lalam
- Robert Jones and Agnes Hunt Orthopaedic Hospital NHS Foundation Trust, Oswestry, United Kingdom
| | - Rajesh Botchu
- The Royal Orthopaedic Hospital, Birmingham, United Kingdom
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17
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Hernández-San Martín M, Vargas-Mora P, Aranibar L. Juvenile Xanthogranuloma: An Entity With a Wide Clinical Spectrum. ACTA ACUST UNITED AC 2020. [DOI: 10.1016/j.adengl.2020.10.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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18
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Esmaeili M, Fischer AS, Khurana M, Gru AA, Yan AC, Rubin AI. Shapiro xanthogranuloma: An essential diagnosis for dermatologists and dermatopathologists to recognize to avoid misdiagnosis of a hematopoietic malignancy in infants and neonates. J Cutan Pathol 2020; 48:558-562. [PMID: 32713034 DOI: 10.1111/cup.13823] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 06/28/2020] [Accepted: 07/22/2020] [Indexed: 01/19/2023]
Abstract
The Shapiro xanthogranuloma is a histopathologic form of xanthogranuloma that shows closely packed monomorphous cells, which can extend into the subcutaneous fat; it usually lacks routine diagnostic features of xanthogranuloma. Herein we describe two cases of Shapiro xanthogranuloma occurring in a neonate and in an infant, which were initially thought to be hematologic malignancies. One patient's presentation as a "blueberry muffin baby" added to the diagnostic confusion. Pediatric dermatologists, dermatologists, and dermatopathologists need to be aware of the Shapiro xanthogranuloma and its clinicopathologic features to avoid misdiagnosis of a hematopoietic malignancy in neonates and infants.
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Affiliation(s)
- Melody Esmaeili
- Department of Dermatology, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Andrew S Fischer
- Department of Dermatology, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Michele Khurana
- Section of Pediatric Dermatology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Alejandro A Gru
- Department of Pathology, University of Virginia School of Medicine, Charlottesville, Virginia, USA
| | - Albert C Yan
- Section of Pediatric Dermatology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Adam I Rubin
- Department of Dermatology, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA.,Section of Pediatric Dermatology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.,Department of Pathology and Laboratory Medicine, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
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Hernández-San Martín MJ, Vargas-Mora P, Aranibar L. Juvenile Xanthogranuloma: An Entity With a Wide Clinical Spectrum. ACTAS DERMO-SIFILIOGRAFICAS 2020; 111:725-733. [PMID: 32721389 DOI: 10.1016/j.ad.2020.07.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 06/28/2020] [Accepted: 07/06/2020] [Indexed: 12/13/2022] Open
Abstract
Juvenile xanthogranulomas (JXGs) are rare, benign lesions that belong to the large group of non-Langerhans cell histiocytoses. JXG presents with 1 or more erythematous or yellowish nodules that are usually located on the head or neck. Most JXG lesions are congenital or appear during the first year of life. Extracutaneous involvement is rare, but the literature traditionally suggests investigating the possibility of ocular compromise. JXG is mainly a clinical diagnosis, but a skin biopsy may sometimes be needed for confirmation. JXGs on the skin are self-limiting and usually do not require treatment. This review describes the clinical and therapeutic aspects of JXG, emphasizing available evidence and the diagnosis of extracutaneous involvement.
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Affiliation(s)
| | - P Vargas-Mora
- Departamento de Dermatología, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - L Aranibar
- Departamento de Dermatología, Facultad de Medicina, Universidad de Chile, Santiago, Chile; Servicio de Dermatología, Hospital Luis Calvo Mackenna, Santiago, Chile.
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Vergara-de-la-Campa L, Torrelo A, Isabel Sánchez-Moya A, Recuero-Pradillo M, Mollejo M, Matito A. Simultaneous occurrence of cutaneous mastocytosis and juvenile xanthogranuloma in a child: Random or true association? Pediatr Dermatol 2020; 37:716-720. [PMID: 32372415 DOI: 10.1111/pde.14185] [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: 02/03/2020] [Revised: 03/17/2020] [Accepted: 04/05/2020] [Indexed: 11/29/2022]
Abstract
Juvenile xanthogranuloma (JXG) and cutaneous mastocytosis (CM) are two distinct conditions that have rarely been reported in association. We report a child with CM and disseminated JXG, who showed a significant decrease in serum tryptase levels and regression of JXG lesions over time. Due to the paucity of reports, a true association between these two conditions has not been validated, although a potential induction of histiocytic lesions by mast cell degranulation has been proposed.
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Affiliation(s)
| | - Antonio Torrelo
- Department of Dermatology, Hospital Infantil Universitario del Niño Jesús, Spanish Network on Mastocytois (REMA), Madrid, Spain
| | | | | | - Manuela Mollejo
- Department of Pathology, Complejo Hospitalario de Toledo, Toledo, Spain
| | - Almudena Matito
- Instituto de Estudios de Mastocitosis de Castilla La Mancha (CLMast), Spanish Network on Mastocytosis (REMA), Toledo, Spain
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