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Bakshi N, Aggarwal A, Dhawan S, Grover AK, Duggal L, Badwal S, Rao S. Assessing IgG4-related ophthalmic disease and its mimics: a comparison of ACR/EULAR, organ-specific and revised comprehensive diagnostic criteria. J Clin Pathol 2024:jcp-2024-209552. [PMID: 39160060 DOI: 10.1136/jcp-2024-209552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2024] [Accepted: 07/29/2024] [Indexed: 08/21/2024]
Abstract
AIMS Diagnosis of IgG4-related ophthalmic disease (IgG4-ROD) rests on the correlation of clinical features, serological testing and histopathology, using internationally accepted diagnostic criteria for objective interpretation; however, several mimickers of IgG4-RD overlap in clinical presentation and histopathology. We assess histopathological features in a series of presumptive IgG4-ROD cases, with emphasis on histopathological mimics and comparison of three IgG4-ROD diagnostic/classification criteria (organ-specific (OS), revised comprehensive diagnostic (RCD) and American College of Rheumatology/European Alliance of Associations for Rheumatology (ACR/EULAR) criteria). METHODS The histopathology database was screened for cases with clinical/histopathological suspicion of IgG4-ROD. Slides were reviewed, OS, RCD and ACR/EULAR criteria were applied, and the final clinicopathological diagnosis was recorded. RESULTS 37 patients (24 females, 13 males; 19-73 years) were diagnosed as either IgG4-ROD (n=18) or non-IgG4-related disease (n=19). Non-IgG4-related disease group showed elevated serum IgG4 (55.5%), fibrosis (100%), dense lymphoplasmacytic inflammation (92.8%), with an increase in tissue IgG4+plasma cells (57.1%) and elevated IgG4:IgG+plasma cell ratio (14.3%). ACR/EULAR missed 50% (9/18, sensitivity-52.8%) of true IgG4-ROD cases, while OS and RCD criteria missed 11.1% (2/18, sensitivity-88.9%) of IgG-ROD cases. ACR/EULAR criteria mislabelled 7.14% (1/14, specificity-90.9%) while OS and RCD criteria wrongly categorised 71.4% (10/14, specificity-47.4%) and 50% (7/14, specificity-63.2%) specific non-IgG4-ROD cases as IgG4-ROD. Storiform fibrosis, obliterative phlebitis, increased IgG4:IgG+plasma cell ratio and elevated serum IgG were statistically significant in distinguishing IgG4-ROD from its mimics. CONCLUSION ACR/EULAR criteria showed high specificity but were cumbersome and sensitivity was low, while RCD and OS criteria showed low specificity. Stringent clinicopathological correlation to exclude mimics is critical in avoiding diagnostic errors in IgG4-ROD.
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Affiliation(s)
- Neha Bakshi
- Pathology (Histopathology division), Sir Ganga Ram Hospital, New Delhi, India
| | - Aditi Aggarwal
- Pathology (Histopathology division), Sir Ganga Ram Hospital, New Delhi, India
| | - Shashi Dhawan
- Pathology (Histopathology division), Sir Ganga Ram Hospital, New Delhi, India
| | - A K Grover
- Ophthalmology, Sir Ganga Ram Hospital, New Delhi, India
| | - Lalit Duggal
- Rheumatology and Immunology, Sir Ganga Ram Hospital, New Delhi, India
| | - Sonia Badwal
- Pathology (Histopathology division), Sir Ganga Ram Hospital, New Delhi, India
| | - Seema Rao
- Pathology (Histopathology division), Sir Ganga Ram Hospital, New Delhi, India
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Bal M, Deshpande V. Advancements in diagnosing IgG4-related disease of the head and neck: Navigating diagnostic pitfalls. Semin Diagn Pathol 2024; 41:54-65. [PMID: 38185595 DOI: 10.1053/j.semdp.2023.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/25/2023] [Accepted: 12/26/2023] [Indexed: 01/09/2024]
Abstract
IgG4-related disease (IgG4-RD) is an immune-mediated condition affecting nearly any organ. This review focuses on the nuances of diagnosing IgG4-RD affecting the head and neck. Salivary gland involvement, especially of the submandibular glands, often permits a definitive diagnosis on biopsy. However, elevated IgG4+ plasma cells are nonspecific and can be seen in chronic sialadenitis, lymphoma, and other mimics. Careful correlation of clinical and pathological findings is essential. Given the significant overlap with chronic sinusitis, IgG4-RD of the sinonasal region is difficult to diagnose histologically. Laryngeal and pharyngeal involvement appears rare as an isolated finding of IgG4-RD. Mastoid disease is uncommon and remains a diagnosis of exclusion. Thyroid manifestations pose challenges given unclear diagnostic criteria - Riedel's thyroiditis likely represents IgG4-RD, but the fibrosing variant of Hashimoto's thyroiditis as a form of the so-called 'IgG4-related thyroiditis' requires better characterisation. Eosinophilic angiocentric fibrosis, despite histologic similarities, only partially overlaps with IgG4-RD. This review aims to guide diagnosing IgG4-RD in the head and neck through a systematic, organ-focused discussion of the clinical context, the utility of immunostaining, histological mimics, and controversial issues that pose diagnostic pitfalls. Increased awareness of the nuances and difficulties diagnosing IgG4-RD affecting the head and neck will improve recognition of this protean disease.
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Affiliation(s)
- Munita Bal
- Department of Pathology, Tata Memorial Center, Homi Bhabha National Institute, Mumbai, Maharastra, India
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3
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Bateman AC, Culver EL. Challenges and pitfalls in the diagnosis of IgG4-related disease. Semin Diagn Pathol 2024; 41:45-53. [PMID: 38000975 DOI: 10.1053/j.semdp.2023.11.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 11/14/2023] [Indexed: 11/26/2023]
Abstract
IgG4-related disease (IgG4-RD) is a relatively novel fibroinflammatory condition characterized typically by dense lymphoplasmacytic inflammation, storiform fibrosis and obliterative venulitis, together with prominent IgG4+ plasma cells and an IgG4+/IgG+ plasma cell ratio of >40 %. The diagnosis is usually made on a combination of clinical and serological features together with characteristic radiological and histological appearances. The condition may be limited to a single tissue/organ (e.g., autoimmune pancreatitis) or may be multicentric in nature - four clinical 'patterns' of disease distribution have recently been described. The diagnosis of IgG4-RD can be challenging, particularly when the clinical presentation is unusual and/or when the histological features are not typical. A diagnosis of IgG4-RD may still be achieved in these situations, after careful clinicopathological discussion e.g., at a specialist multidisciplinary team meeting. However, a wide range of other conditions (neoplastic and non-neoplastic) can mimic IgG4-RD, clinically and/or on histological examination. The relationship between IgG4-RD and non-IgG4-RD associated conditions in some clinical situations is particularly complex. This review describes the role of histological examination in the diagnosis of IgG4-RD, discusses some of the practical difficulties that may be encountered and provides an insight into the range of non-IgG4-RD associated conditions that can mimic IgG4-RD on clinical and/or histological grounds. The requirement for interpretation of histological features in the context of the global clinical picture of the patient is highlighted and emphasized.
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Affiliation(s)
- Adrian C Bateman
- Department of Cellular Pathology, Southampton General Hospital, MP002, Level E, South Block, Tremona Road, Southampton SO16 6YD, UK.
| | - Emma L Culver
- Translational Gastroenterology Unit, John Radcliffe Hospital, Oxford, UK
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Gallo C, Dispinzieri G, Zucchini N, Invernizzi P, Massironi S. Autoimmune pancreatitis: Cornerstones and future perspectives. World J Gastroenterol 2024; 30:817-832. [PMID: 38516247 PMCID: PMC10950636 DOI: 10.3748/wjg.v30.i8.817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/18/2023] [Accepted: 01/25/2024] [Indexed: 02/26/2024] Open
Abstract
Autoimmune pancreatitis (AIP) is an autoimmune subtype of chronic pancreatitis resulting from the aberrant immune response against the pancreas, leading to inflammation and fibrosis. Although AIP is rare, its incidence is increasing and is often misdiagnosed as other pancreatic diseases. AIP is commonly classified into two types. Type 1 AIP (AIP-1) is typically associated with elevated serum immunoglobulin G4 (IgG4) levels and systemic manifestations, while type 2 AIP is typically a more localized form of the disease, and may coexist with other autoimmune disorders, especially inflammatory bowel diseases. Additionally, there is emerging recognition of a third type (type 3 AIP), which refers to immunotherapy-triggered AIP, although this classification is still gaining acceptance in medical literature. The clinical manifestations of AIP mainly include painless jaundice and weight loss. Elevated serum IgG4 levels are particularly characteristic of AIP-1. Diagnosis relies on a combination of clinical, laboratory, radiological, and histological findings, given the similarity of AIP symptoms to other pancreatic disorders. The mainstay of treatment for AIP is steroid therapy, which is effective in most cases. Severe cases might require additional imm-unosuppressive agents. This review aims to summarize the current knowledge of AIP, encompassing its epidemiology, etiology, clinical presentation, diagnosis, and treatment options. We also address the challenges and controversies in diagnosing and treating AIP, such as distinguishing it from pancreatic cancer and managing long-term treatment, highlighting the need for increased awareness and knowledge of this complex disease.
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Affiliation(s)
- Camilla Gallo
- Division of Gastroenterology and Center for Autoimmune Liver Diseases, Department of Medicine and Surgery, Fondazione IRCCS San Gerardo dei Tintori; University of Milano-Bicocca, Monza 20900, Italy
| | - Giulia Dispinzieri
- Division of Gastroenterology and Center for Autoimmune Liver Diseases, Department of Medicine and Surgery, Fondazione IRCCS San Gerardo dei Tintori; University of Milano-Bicocca, Monza 20900, Italy
| | - Nicola Zucchini
- Department of Pathology, Fondazione IRCCS San Gerardo dei Tintori, Monza 20900, Italy
| | - Pietro Invernizzi
- Division of Gastroenterology and Center for Autoimmune Liver Diseases, Department of Medicine and Surgery, Fondazione IRCCS San Gerardo dei Tintori; University of Milano-Bicocca, Monza 20900, Italy
| | - Sara Massironi
- Division of Gastroenterology and Center for Autoimmune Liver Diseases, Department of Medicine and Surgery, Fondazione IRCCS San Gerardo dei Tintori; University of Milano-Bicocca, Monza 20900, Italy
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Fitzpatrick SG, Alramadhan S, Islam MN, Bhattacharyya I. Increased frequency of oral plasma cell mucositis/plasma cell gingivitis after the COVID-19 pandemic: a 23-year retrospective analysis and review of diagnostic challenges relating to this condition. Oral Surg Oral Med Oral Pathol Oral Radiol 2024; 137:153-160. [PMID: 38331651 DOI: 10.1016/j.oooo.2023.08.010] [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: 06/07/2023] [Revised: 07/27/2023] [Accepted: 08/13/2023] [Indexed: 02/10/2024]
Abstract
OBJECTIVE Oral plasma cell mucositis (PCM) or localized plasma cell gingivitis (PCG) is an idiopathic inflammatory condition often associated with hypersensitivity reactions. This study aimed to evaluate the frequency and features of PCM/PCG in a large biopsy service over a time period of more than 20 years. STUDY DESIGN The biopsy archives at University of Florida College of Dentistry were searched from 2000 through the first quarter of 2023 for cases of oral PCM or PCG. Case data were aggregated and analyzed. RESULTS A total of 107 cases were included. Between 2000 and 2019, PCM/PCG was diagnosed in 0.03% of all biopsy cases. Starting in 2020 through 2023, the percentage of biopsies diagnosed as PCM/PCG increased threefold to 0.10% of all biopsy cases, and the mean patient age increased by 3 years. There were no statistically significant differences between cases diagnosed from 2000 to 2019 and those from 2020 to 2023 regarding age, sex, location, or histology. CONCLUSIONS A significant increase in PCM/PCG was identified in this study at one institution coinciding with the start of the COVID-19 pandemic. Further investigation is recommended to determine if this is a widespread phenomenon and identify possible etiologic mechanisms.
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Affiliation(s)
| | - Saja Alramadhan
- University of Florida College of Dentistry, Gainesville, FL, USA
| | - Mohammed N Islam
- University of Florida College of Dentistry, Gainesville, FL, USA
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6
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Wu S, Wang H. IgG4-related digestive diseases: diagnosis and treatment. Front Immunol 2023; 14:1278332. [PMID: 37868965 PMCID: PMC10585276 DOI: 10.3389/fimmu.2023.1278332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 09/22/2023] [Indexed: 10/24/2023] Open
Abstract
IgG4-related digestive diseases encompass a group of chronic inflammatory disorders characterized by autoimmune reactions and fibrosis affecting multiple digestive organs. These diseases are identified by elevated serum levels of IgG4 and the presence of IgG4-positive plasma cell infiltration in the affected sites, along with storiform fibrosis, obliterative phlebitis, and eosinophilic infiltration. Although extensive research has been conducted, a comprehensive understanding of these conditions remains elusive. Current clinical diagnosis often relies on the application of integrated diagnostic criteria for IgG4-related diseases, combined with specific organ involvement criteria. Distinguishing them from malignancies poses considerable challenges. Moreover, further investigations are required to elucidate the underlying pathogenic mechanisms and explore potential therapeutic interventions. This review provides a systematic classification of IgG4-related digestive diseases while discussing their diagnostic strategies, clinical presentations, and treatment modalities. The comprehensive insights shared herein aim to guide clinicians in their practice and contribute to the advancement of knowledge in this field.
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Affiliation(s)
- Siyu Wu
- Graduate School, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Haiqiang Wang
- Department of Internal Medicine, First Affiliated Hospital, Heilongjiang University of Chinese Medicine, Harbin, China
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7
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Cao J, Gong A, An P, Chen R, Chen H, Wang Y, Gao P. MRI diagnosis of tumor‑like IgG4 masses in bilateral distal ureters: A case report. Exp Ther Med 2023; 26:464. [PMID: 37664683 PMCID: PMC10469143 DOI: 10.3892/etm.2023.12163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 07/26/2023] [Indexed: 09/05/2023] Open
Abstract
IgG4 masses in the bilateral distal ureters are rare and frequently misdiagnosed. The present study reported the case of a 55-year-old male patient with IgG4-related disease (IgG4-RD) who had symmetrical soft tissue masses of the bilateral distal ureters found on magnetic resonance imaging (MRI) with a significant increase in the serum levels of IL-6, IgG4 and IgE. Regarding treatment, this patient received prednisone acetate tablets (40 mg/day) and mycophenolate mofetil dispersible tablets (1 g/day). During the follow-up, significant reductions in the levels of IgG4 and IgE were found after 30 days. MRI after 6 months indicated complete disappearance of the masses. The prognosis has been good so far. In clinical practice, it is necessary to consider the possibility of IgG4-RD in cases with soft tissue masses surrounding both ureters and elevated levels of serum IgG4.
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Affiliation(s)
- Jianghui Cao
- Department of Radiology, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, Hubei 441000, P.R. China
| | - Anna Gong
- Department of Radiology, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, Hubei 441000, P.R. China
| | - Peng An
- Department of Radiology, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, Hubei 441000, P.R. China
| | - Ran Chen
- Department of Radiology, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, Hubei 441000, P.R. China
| | - Hong Chen
- Department of Radiology, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, Hubei 441000, P.R. China
| | - Yong Wang
- Department of Radiology, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, Hubei 441000, P.R. China
| | - Ping Gao
- Department of Radiology, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, Hubei 441000, P.R. China
- Department of Radiology, Hubei Provincial Clinical Research Center for Parkinson's Disease, Xiangyang Key Laboratory of Movement Disorders, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, Hubei 441000, P.R. China
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8
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Mishlab S, Bergman R, Hersh EA. Cutaneous IgG4-related disease. Int J Dermatol 2023; 62:558-561. [PMID: 36379910 DOI: 10.1111/ijd.16503] [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: 01/15/2022] [Revised: 10/26/2022] [Accepted: 10/27/2022] [Indexed: 11/17/2022]
Affiliation(s)
- Salih Mishlab
- Department of Dermatology, Rambam Health Care Campus and The Bruce Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Haifa, Israel
| | - Reuven Bergman
- Department of Dermatology, Rambam Health Care Campus and The Bruce Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Haifa, Israel.,The Bruce Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Haifa, Israel
| | - Emily Avitan Hersh
- Department of Dermatology, Rambam Health Care Campus and The Bruce Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Haifa, Israel.,The Bruce Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Haifa, Israel
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Luan F, Liu R, Li J, Ge X, Wang N, Guo Q, Tao Y, Ma J. Evaluation of the Efficacy of Immune and Inflammatory Markers in the Diagnosis of Lacrimal-Gland Benign Lymphoepithelial Lesion. Curr Issues Mol Biol 2023; 45:2013-2020. [PMID: 36975499 PMCID: PMC10047269 DOI: 10.3390/cimb45030129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 02/11/2023] [Accepted: 02/27/2023] [Indexed: 03/05/2023] Open
Abstract
This study retrospectively analyzes the immune and inflammatory indices of patients with lacrimal-gland benign lymphoepithelial lesion (LGBLEL) in order to screen out reference indices with higher diagnostic efficacy. The medical histories of patients whose diagnoses of LGBLEL and primary lacrimal prolapse were confirmed by pathology between August 2010 and August 2019 were collected. In the LGBLEL group, the erythrocyte sedimentation rate (ESR), C-reactive protein (CRP) level, rheumatoid factor (RF), and immunoglobulins G, G1, G2, and G4 (IgG, IgG1, IgG2, IgG4) were higher (p < 0.05) and the expression level of C3 was lower (p < 0.05) compared to the lacrimal-gland prolapse group. Multivariate logistic regression analysis showed that IgG4, IgG, and C3 were independent risk factors for predicting LGBLEL occurrence (p < 0.05). The area under the receiver operating characteristic (ROC) curve of the prediction model (IgG4+IgG+C3) was 0.926, which was significantly better than that of any single factor. Therefore, serum levels of IgG4, IgG, and C3 were independent risk factors for predicting the occurrence of LGBLEL, and the combined diagnostic efficacy of IgG4+IgG+C3 was the highest.
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Affiliation(s)
- Fuxiao Luan
- Department of Ophthalmology, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, China
| | - Rui Liu
- Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, China
| | - Jing Li
- Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, China
| | - Xin Ge
- Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, China
| | - Nan Wang
- Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, China
| | - Qihan Guo
- Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, China
| | - Yong Tao
- Department of Ophthalmology, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, China
- Correspondence: (Y.T.); (J.M.)
| | - Jianmin Ma
- Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, China
- Correspondence: (Y.T.); (J.M.)
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10
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Muller R, Ebbo M, Habert P, Daniel L, Briantais A, Chanez P, Gaubert JY, Schleinitz N. Thoracic manifestations of IgG4-related disease. Respirology 2023; 28:120-131. [PMID: 36437514 PMCID: PMC10100266 DOI: 10.1111/resp.14422] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Accepted: 11/13/2022] [Indexed: 11/29/2022]
Abstract
Immunoglobulin G4-related disease (IgG4-RD) is a recently described rare systemic fibroinflammatory disease with an estimated incidence of less than 1 in 100,000 persons per year. The disease can affect virtually any organ and is characterized by unifying histopathological findings. Recently, four subgroups of patients have been characterized: hepatobiliary, head and neck, Mikulicz syndrome and retroperitoneal fibrosis, who illustrate the mainly abdominal and ENT tropism of the disease. Yet, thoracic involvement is not uncommon. It can be detected in up to 30% of patients with systemic IgG4-RD and is the exclusive manifestation of the disease in about 10% of cases. Clinical symptoms are nonspecific and may include dyspnoea, cough or chest pain. Chest CT findings are heterogeneous and primarily include peribronchovascular thickening, nodules, ground-glass opacities and lymphadenopathy. There is no specific diagnostic test for IgG4-RD thoracic involvement, which may mimic malignancy or vasculitis. Therefore, a cautious approach is needed to make an accurate diagnosis: a search for extra-thoracic manifestations, elevated serum IgG4 levels, circulating levels of plasmablasts and pathologic evidence of disease is warranted. Although very suggestive, neither the presence of a polyclonal IgG4 lymphoplasmacytic infiltrate, storiform fibrosis or obliterative phlebitis are sufficient to confirm the histological diagnosis. Steroids are recommended as first-line therapy. Rituximab or disease-modifying antirheumatic drugs may be used in relapsed or rare cases of steroid-refractory disease. In this review, we summarize current knowledge regarding the pathophysiology, epidemiology, diagnostic modalities (clinical-biological-imaging-histopathology) and treatment of IgG4-RD thoracic involvement.
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Affiliation(s)
- Romain Muller
- Internal Medicine Department, Hopital La Timone, APHM, Aix Marseille University, Marseille, France
| | - Mikael Ebbo
- Internal Medicine Department, Hopital La Timone, APHM, Aix Marseille University, Marseille, France
| | - Paul Habert
- Imaging Department, Hopital Nord, APHM, Aix Marseille University, Marseille, France.,LIIE (Experimental Interventional Imaging Laboratory), Aix Marseille University, Marseille, France
| | - Laurent Daniel
- Anatomopathology Department, APHM, Aix Marseille University, Marseille, France
| | - Antoine Briantais
- Internal Medicine Department, Hopital La Timone, APHM, Aix Marseille University, Marseille, France
| | - Pascal Chanez
- Pneumology Department, Hopital Nord, APHM, Aix Marseille University, Marseille, France
| | - Jean Yves Gaubert
- Imaging Department, Hopital La Timone, APHM, Aix Marseille University, Marseille, France
| | - Nicolas Schleinitz
- Internal Medicine Department, Hopital La Timone, APHM, Aix Marseille University, Marseille, France
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11
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Dassanayaka W, Liyanaarachchi KS, Ala A, Bagwan IN. IgG4-related disease: an analysis of the clinicopathological spectrum: UK centre experience. J Clin Pathol 2023; 76:53-58. [PMID: 34413088 DOI: 10.1136/jclinpath-2021-207748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Accepted: 08/09/2021] [Indexed: 01/26/2023]
Abstract
AIM To retrospectively evaluate the characteristic clinicopathological spectrum in patients with suspicion of IgG4-related disease (IgG4RD). METHODS Winpath histology database from January 2011 to April 2018 identified all suspected IgG4RD cases wherein IgG4 immunohistochemistry was performed. The histology slides were reviewed to categorise cases into Boston criteria groups-highly suggestive of IgG4RD, probable IgG4RD and insufficient evidence. Information regarding clinical data, treatment received, follow-up and serum IgG4 levels was obtained from medical records and AllScripts Patient Administration System (APAS) clinical database. RESULTS The study included 204 patients and the most common sites of biopsy/resection were pancreas and duodenum. The most common clinical presentation was fibroinflammatory lesion or mass/lump. On histology, 54/204 (26.47%) cases showed typical storiform fibrosis, 65/204 (32.64%) had >10 IgG4+ plasma cells per high power field and only one case showed thrombophlebitis (0.49%). There were 14/204 (6.78%) cases categorised as highly suggestive of IgG4RD; 8 of these showed high serum IgG4 levels and were managed clinically as true IgG4RD. CONCLUSION Histological diagnosis of IgG4RD remains challenging, as not all characteristic features are always present especially in small biopsies. Due to the novelty of its experience, fear of over diagnosis in the context of malignancy and features overlapping with diseases of similar clinical scenario, diagnosis of IgG4RD has become more puzzling. Further multicentre clinical trials/studies are advisable.
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Affiliation(s)
- Wajira Dassanayaka
- Histopathology, Royal Surrey NHS Foundation Trust, Guildford, Surrey, UK
| | | | - Aftab Ala
- Hepatology & Gastroenterology, Royal Surrey NHS Foundation Trust, Guildford, UK.,Institute of Liver Studies, Kings College Hospital, London, UK
| | - Izhar N Bagwan
- Histopathology, Royal Surrey NHS Foundation Trust, Guildford, Surrey, UK
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Xu J, Bettendorf B, D'Oria M, Sharafuddin MJ. Multidisciplinary diagnosis and management of inflammatory aortic aneurysms. J Vasc Surg 2022:S0741-5214(22)02645-3. [PMID: 36565773 DOI: 10.1016/j.jvs.2022.12.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Revised: 12/07/2022] [Accepted: 12/13/2022] [Indexed: 12/24/2022]
Abstract
BACKGROUND Inflammatory abdominal aortic aneurysms (IAAAs) are a variant involving a distinct immunoinflammatory process, with nearly one half believed to be associated with IgG4-related disease (IgG4-RD). METHODS MEDLINE and Google Scholar searches were conducted for English-language publications relevant to inflammatory aortic aneurysms from January 1970 onward. The search terms included inflammatory aortic aneurysms, aortitis, periaortitis, IgG4-related disease, and retroperitoneal fibrosis. Relevant studies were selected for review based on their relevance. RESULTS Morphologically, IAAAs are characterized by a thickened aneurysm wall often displaying contrast enhancement and elevated metabolic activity on fluorine-18 fluorodeoxyglucose-positron emission tomography imaging. A strong association exists with perianeurysmal and retroperitoneal fibrosis. Although the rupture risk appears lower with IAAAs than with noninflammatory abdominal aortic aneurysms (AAAs), the currently recommended diameter threshold for operative management is the same. Open repair has been associated with increased morbidity compared with noninflammatory AAAs, and a retroperitoneal approach or minimal dissection transperitoneal approach has been recommended to avoid duodenal and retroperitoneal structural injuries. Endovascular aneurysm repair has been increasingly used, especially for patients unfit for open surgery. It is important to exclude an infectious etiology before the initiation of immunosuppressive therapy or operative repair. Multimodality imaging follow-up is critical to monitor disease activity and secondary involvement of retroperitoneal structures by the associated fibrotic process. Maintenance of immunosuppressive therapy will be needed postoperatively for most patients with active systemic disease, especially those with IgG4-RD and those with persistent symptoms. Additional interventions aimed at ureteral decompression could also be required, and lifelong follow-up is mandatory. CONCLUSIONS Preoperative multimodality imaging is a diagnostic cornerstone for assessment of the disease extent and activity. IgG4-RD is an increasingly recognized category of IAAAs, with implications for tailoring adjunctive medical therapy. Open surgical repair remains the procedure of choice, although endovascular aneurysm repair is increasingly being offered. Maintenance immunosuppressive therapy can be offered according to the disease activity as assessed by follow-up imaging studies.
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Affiliation(s)
- Jun Xu
- Division of Vascular Surgery, University of Iowa Carver College of Medicine, Iowa City, IA
| | - Brittany Bettendorf
- Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, IA
| | - Mario D'Oria
- Division of Vascular and Endovascular Surgery, Cardiovascular Department, University Hospital of Trieste, Trieste, Italy
| | - Mel J Sharafuddin
- Division of Vascular Surgery, University of Iowa Carver College of Medicine, Iowa City, IA.
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13
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Chakraborty AM, Sahoo SK, Chatterjee D, Dutta P, Kumar R, Bhadada SK. IgG4-related hypophysitis: A monocentric experience from North India. Surg Neurol Int 2022; 13:578. [PMID: 36600729 PMCID: PMC9805655 DOI: 10.25259/sni_1013_2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 11/29/2022] [Indexed: 12/23/2022] Open
Abstract
Background Immunoglobulin (Ig)G4-related disease is a systemic fibroinflammatory disease characterized by dense infiltration of IgG4-positive plasma cells in the affected tissue(s) with or without elevated plasma levels of IgG4. Hypophysitis itself is a very rare disease with reported prevalence in the operative specimens are around 0.2-0.88%. IgG4-related hypophysitis (IgG4-RH) may account for a substantial percentage of cases previously regarded as idiopathic hypophysitis. Methods This study is a registry-based, retrospective, and cohort study from a tertiary care hospital in North India. The medical records and clinical data of biopsy-proven and suspected IgG4-RH patients registered were retrospectively analyzed. Treatment outcome of cases was also explored during this analysis. Results Two thousand and six sellar area space-occupying lesions have been operated-on since 2006, among them only four patients had IgG4-RH on histopathological specimen. One case was diagnosed on clinical suspicion. Mean age of the patients was 31.8 ± 6.32 years. Most frequent presenting complaint was headaches. Extracranial manifestations were present in four patients. The most common pituitary dysfunction was cortisol deficiency. 18 F-fluorodeoxyglucose positron emission tomography (18F FDG PET) was helpful in three cases for diagnosis of hypophysitis and other organ involvement. Classical histological findings with storiform fibrosis, obliterative phlebitis seen in two cases, and IgG4-positive plasma cell infiltration were positive in four cases. Surgery was the primary modality of treatment in all four cases. Only one patient received steroids as a primary therapeutic modality. Conclusion IgG4-RH is rare. High index of suspicion is required to diagnosis the case precisely. FDG PET is helpful in diagnosing hypophysitis and extrapituitary lesions.
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Affiliation(s)
- Ananda Mohan Chakraborty
- Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Sushant Kumar Sahoo
- Department of Neurosurgery, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Debajyoti Chatterjee
- Department of Histopathology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Pinaki Dutta
- Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh, India.,Corresponding author: Pinaki Dutta, Professor, Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Rajender Kumar
- Department of Nuclear Medicine, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Sanjay Kumar Bhadada
- Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
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14
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Muacevic A, Adler JR, Song T, Gan L, Sun W. A Case of Follicular Lymphoma Mimicking Idiopathic Retroperitoneal Fibrosis. Cureus 2022; 14:e32031. [PMID: 36600821 PMCID: PMC9800343 DOI: 10.7759/cureus.32031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/29/2022] [Indexed: 12/05/2022] Open
Abstract
Retroperitoneal fibrosis (RF) is a rare disease, which can be primary (idiopathic) or secondary. We present the case of a 56-year-old patient with symptomatic RF, in whom, after ineffective treatment with glucocorticoids, immunosuppressants, and non-steroidal anti-inflammatory drugs for one year and a progressive clinical course, a follicular lymphoma in the retroperitoneal space and several lymphoma nodes was identified. We also include a literature review on differential diagnosis through image inspection and case reports of lymphoma mimicking RF.
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15
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Detiger SE, Paridaens D, van Hagen M, Karim F, van Laar JAM, Verdijk RM. Tissue IgG2/IgG4 Ratio as an Additional Tool to Distinguish IgG4-Related Disease From Other Fibroinflammatory Disorders. Appl Immunohistochem Mol Morphol 2022; 30:517-525. [PMID: 35652730 DOI: 10.1097/pai.0000000000001040] [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: 07/21/2021] [Accepted: 05/07/2022] [Indexed: 11/25/2022]
Abstract
Interpretation of biopsies taken on suspicion of immunoglobulin (Ig)G4-related disease (IgG4-RD) may be hampered by uninterpretable immunohistochemical stains for IgG because of strong background signals. This study aims to determine the significance of tissue IgG2 positive plasma cell counts in IgG4-RD in comparison with non-IgG4-related inflammatory disorders. Descriptive, retrospective case-control study of 16 patients with IgG4-related orbital disease (IgG4-ROD) and 24 with extraorbital IgG4-RD. Histopathology and serology of this group was compared with 16 patients with orbital non-IgG4-related disorders and 22 patients with extraorbital non-IgG4-related disorders. The mean tissue IgG2/IgG4 ratio was 0.16 in IgG4-ROD and 0.27 in extraorbital IgG4-RD and far below 1 in 98% of patients. This was significantly lower compared with the non-IgG4-related disorders that showed a mean tissue IgG2/IgG4 ratio of 1.98 in the orbital and 2.20 in the extraorbital group (range: 0.20 to 10, P <0.05). In 74% of tissue samples an IgG2/IgG4 ratio >1 was seen. The tissue IgG2/IgG ratio was significantly lower in IgG4-RD compared with non-IgG4-related inflammatory disorders. Serum IgG2 concentration was not abnormal in patients with IgG4-RD. A significantly lower tissue IgG2/IgG4 and IgG2/IgG ratio was observed in IgG4-RD, compared with non-IgG4-related inflammatory disorders. Additional immunohistochemical staining for IgG2 positive plasma cells can be helpful in the diagnosis of IgG4-RD. Especially in cases with uninterpretable IgG staining, a well-recognized problem that may give rise to a failed interpretation of the biopsy.
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Affiliation(s)
| | - Dion Paridaens
- Department of Oculoplastic, Orbital and Lacrimal Surgery, The Rotterdam Eye Hospital, Rotterdam
- Department of Ophthalmology
| | - Martin van Hagen
- Departments of Internal Medicine and Immunology, Section Clinical Immunology
| | - Faiz Karim
- Department of Internal Medicine, Groene Hart Hospital, Gouda, The Netherlands
| | - Jan A M van Laar
- Departments of Internal Medicine and Immunology, Section Clinical Immunology
| | - Robert M Verdijk
- Rotterdam Eye Hospital
- Department of Pathology, Section Ophthalmic Pathology, Erasmus MC University Medical Center Rotterdam, Rotterdam
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16
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Polianskis M, Ivaška J, Dadonienė J, Lengvenis G, Besusparis J, Rauba D, Morozas A, Ivaškienė T, Lesinskas E. Immunoglobulin G4-Related Disease Presenting as Temporal Bone Lesion with Facial Nerve Palsy. ORL J Otorhinolaryngol Relat Spec 2022; 84:473-479. [PMID: 35671746 DOI: 10.1159/000522612] [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] [Received: 01/05/2022] [Accepted: 01/30/2022] [Indexed: 12/24/2022]
Abstract
Immunoglobulin G4-related disease (IgG4-RD) is a systemic condition which could present as local infiltration of skull base structures. We report a case of IgG4-RD with infiltration of the temporal bone and surrounding structures in a patient with systemic vasculitis on systemic steroids. A 31-year-old woman presented with right-sided facial weakness, headache, and right ear hearing loss. On examination, redness and retraction of the right tympanic membrane and facial paresis (House-Brackman IV) were noted. Computed tomography imaging showed mastoiditis, temporal lobe stroke, and brain abscess. Magnetic resonance imaging (MRI) showed infiltration in the infratemporal fossa, nasopharynx, spreading along the Eustachian tube and perineurally along the branches of CN V and CN VII intracranially, forming a dural based mass in the middle cranial fossa. Intracranial mass compressed the temporal lobe of the brain, causing perifocal brain edema. Endoscopic biopsy of the nasopharynx was chosen as the least invasive method. It showed marked fibrosis of the tissue, dense lymphoplasmacytic infiltrates, and an increased number of IGG4-positive plasma cells. Serum IgG4 levels were below the diagnostic criteria of IgG4-RD, but histological characteristics of IgG4-RD were met. The patient was treated with high-dose oral prednisolone. Resolution of symptoms, including facial nerve paresis, was observed and infiltration in the nasopharynx, infratemporal fossa decreased on subsequent MRI tests. No recurrence was noted on the follow-up of 16 months. The case presented itself as a diagnostic challenge for a multidisciplinary team to differentiate pathology caused by either IgG4-RD, systemic vasculitis, or atypic mastoiditis. MRI and histological reports were essential to establish a correct diagnosis.
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Affiliation(s)
- Marius Polianskis
- Clinic of Ear, Nose, Throat and Eye Diseases, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Justinas Ivaška
- Clinic of Ear, Nose, Throat and Eye Diseases, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Jolanta Dadonienė
- Department of Public Health, Institute of Health Sciences, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Givi Lengvenis
- Department of Radiology, Nuclear Medicine and Medical Physics, Institute of Biomedical Sciences, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Justinas Besusparis
- Department of Pathology, Forensic Medicine and Pharmacology, Institute of Biomedical Science, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Darius Rauba
- Clinic of Ear, Nose, Throat and Eye Diseases, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Arnoldas Morozas
- Clinic of Ear, Nose, Throat and Eye Diseases, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Tatjana Ivaškienė
- State Research Institute Centre for Innovative Medicine, Vilnius, Lithuania
| | - Eugenijus Lesinskas
- Clinic of Ear, Nose, Throat and Eye Diseases, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
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17
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IgG4-related hypophysitis: a retrospective cohort study. Acta Neurochir (Wien) 2022; 164:2095-2103. [PMID: 35532784 PMCID: PMC9338115 DOI: 10.1007/s00701-022-05231-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 04/28/2022] [Indexed: 01/05/2023]
Abstract
Purpose IgG4-related hypophysitis (IgG4-RH) is a rare chronic inflammatory condition of the pituitary gland. This study reports the presentation, management and outcomes for patients with histologically proven IgG4-related hypophysitis. Methods A prospectively maintained electronic database was searched over a 14-year period from 1 January 2007 to 31 December 2020 at a single academic centre to identify all patients with a histological diagnosis of IgG4-RH. A retrospective case note review from electronic health records was conducted for each case to extract data on their presentation, management and outcomes. Results A total of 8 patients (5 male) with a median age of 51 years were identified. The most common presenting symptoms were headache (4/8; 50%), fatigue (3/8; 37.5%) and visual impairment (2/8; 25%). Three patients were initially treated with high-dose steroids aiming for reduction of the pituitary mass. However, ultimately all patients underwent transsphenoidal surgery. Post-operative changes included radiological reduction in pituitary mass in all patients that had imaging (7/7; 100%), improvement in vision (1/2; 50%), residual thick pituitary stalk (5/7; 71.4%), persistent anterior hypopituitarism (4/8; 50%) and panhypopopituitarism including diabetes insipidus (3/8; 37.5%). Conclusions IgG4-RH is an increasingly recognised entity presenting with a variety of symptoms and signs. Clinical presentation is similar to other forms of hypophysitis. It is therefore important to consider IgG4-RH as a differential and to have a low threshold for pituitary biopsy, the diagnostic gold standard. The diagnosis of IgG4-RH will guide decisions for additional workup for IgG4-related disease, multi-disciplinary team involvement and follow-up.
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18
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Faz-Muñoz D, Hinojosa-Azaola A, Mejía-Vilet JM, Uribe-Uribe NO, Rull-Gabayet M, Muñoz-Castañeda WR, Vargas-Parra NJ, Martín-Nares E. ANCA-associated vasculitis and IgG4-related disease overlap syndrome: a case report and literature review. Immunol Res 2022; 70:550-559. [PMID: 35449491 PMCID: PMC9023041 DOI: 10.1007/s12026-022-09279-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Accepted: 04/09/2022] [Indexed: 12/11/2022]
Abstract
Anti-neutrophil cytoplasmic antibodies (ANCA)-associated vasculitides are infrequent autoimmune diseases characterized by inflammation of the walls of small vessels leading to tissue and endothelial damage. On the other hand, IgG4-related disease is a fibroinflammatory disease characterized histologically by lymphoplasmacytic infiltrates with IgG4+ plasma cells, storiform fibrosis, and obliterative phlebitis that may affect nearly every organ of the body. There are similarities in clinical, serological, radiological, and histopathological features between both diseases, and hence, they usually mimic each other complicating the differential diagnosis. Furthermore, reports of patients with the coexistence of both conditions (overlap syndrome) have been reported. We herein report a patient with an unequivocal diagnosis of ANCA-associated vasculitis, specifically granulomatosis with polyangiitis (posterior uveitis, polyneuropathy, pauci-immune glomerulonephritis with crescent formation and granulomas, and MPO-ANCA positivity) and IgG4-related disease (thoracic aortitis, tubulointerstitial nephritis with prominent IgG4+ plasma cell infiltration, fibrosis, and obliterative arteritis, high levels of serum IgG4, and eosinophilia) overlap syndrome.
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Affiliation(s)
- David Faz-Muñoz
- Department of Immunology and Rheumatology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Vasco de Quiroga No. 15, Col. Sección XVI, Tlalpan, Mexico City, Mexico, 14080
| | - Andrea Hinojosa-Azaola
- Department of Immunology and Rheumatology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Vasco de Quiroga No. 15, Col. Sección XVI, Tlalpan, Mexico City, Mexico, 14080
| | - Juan M Mejía-Vilet
- Department of Nephrology and Mineral Metabolism, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Norma O Uribe-Uribe
- Department of Pathology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Marina Rull-Gabayet
- Department of Immunology and Rheumatology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Vasco de Quiroga No. 15, Col. Sección XVI, Tlalpan, Mexico City, Mexico, 14080
| | - Wallace Rafael Muñoz-Castañeda
- Department of Immunology and Rheumatology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Vasco de Quiroga No. 15, Col. Sección XVI, Tlalpan, Mexico City, Mexico, 14080
| | - Nancy Janeth Vargas-Parra
- Department of Pathology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Eduardo Martín-Nares
- Department of Immunology and Rheumatology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Vasco de Quiroga No. 15, Col. Sección XVI, Tlalpan, Mexico City, Mexico, 14080.
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Aryasit O, Tiraset N, Preechawai P, Kayasut K, Sanghan N, Sittivarakul W. IgG4-related disease in patients with idiopathic orbital inflammation. BMC Ophthalmol 2021; 21:356. [PMID: 34625052 PMCID: PMC8499436 DOI: 10.1186/s12886-021-02115-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 09/17/2021] [Indexed: 01/13/2023] Open
Abstract
Background To identify the prevalence of positive IgG4 immunostaining in orbital tissue among patients previously diagnosed with nongranulomatous idiopathic orbital inflammation (IOI) and to compare the clinical characteristics of patients with and without IgG4-positive cells. Methods A retrospective review of all patients with a histopathologic diagnosis of IOI was performed. Immunohistochemical staining was performed to identify IgG-positive cells and IgG4-positive cells. Multivariate analysis was performed using likelihood ratio-test logistic regression on the differences between IgG4-related disease (IgG4-RD) and non-IgG4-RD. Results Of the 45 patients included, 21 patients (46.7%) had IgG4-positive cells, with 52.4% being male and a mean age of 55.9 ± 13.4 years. Bilateral ocular adnexal involvement (adjusted odds ratio [aOR] = 9.45; P = 0.016) and infraorbital nerve enlargement (aOR = 12.11; P = 0.008) were frequently found in IgG4-RD patients. Complete remission occurred in 23.8% of IgG4-RD patients and 41.7% of non-IgG4-RD patients. IgG4-RD patients had more frequent recurrent disease than non-IgG4-RD patients. Conclusions Nearly 50% of IgG4-RD patients were previously diagnosed with biopsy-proven IOI. IgG4-RD was more frequent in patients with bilateral disease and infraorbital nerve enlargement, showing the importance of tissue biopsy in these patients. Immunohistochemistry studies of all histopathology slides showing nongranulomatous IOI are highly recommended to evaluate for IgG4-RD.
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Affiliation(s)
- Orapan Aryasit
- Department of Ophthalmology, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand.
| | - Nanida Tiraset
- Department of Ophthalmology, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand
| | - Passorn Preechawai
- Department of Ophthalmology, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand
| | - Kanita Kayasut
- Anatomical Pathology Unit, Department of Pathology, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand
| | - Nuttha Sanghan
- Department of Radiology, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand
| | - Wantanee Sittivarakul
- Department of Ophthalmology, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand
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20
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Mass-forming immunoglobulin G4-related disease shows indolent clinical course after surgical resection, clinicopathological analysis of a series of 15 cases. Virchows Arch 2021; 480:383-391. [PMID: 34618230 DOI: 10.1007/s00428-021-03216-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 09/15/2021] [Accepted: 09/29/2021] [Indexed: 10/20/2022]
Abstract
The purpose of this study is to characterize the clinicopathological features of mass-forming immunoglobulin G4-related disease (IgG4-RD). A retrospective search for cases of mass-forming IgG4-RD diagnosed at Singapore General Hospital between 2008 and 2019 was performed. A total of 15 cases of mass-forming IgG4-RD were identified. The male-to-female ratio was 2.5:1, and the median age was 61 years old. The majority of cases showed a solitary lesion (12/15) with a mean size of 35 mm. IgG4-RD was considered as a clinical differential diagnosis only in one case (1/15) prior to the surgical resection. Diagnostic histopathological features, such as dense lymphoplasmacytic infiltrate positive for IgG4 plasma cells (15/15), storiform fibrosis (15/15), and obliterative phlebitis (9/15), were observed in most cases. These findings were distributed heterogeneously within the lesions. Cases with single organ involvement showed a low relapse rate (2/10) and normal serum IgG4 level after surgical resection. Mass-forming IgG4-RD has a male predilection and involves various organ systems. It may be initially misdiagnosed as malignancy and undergo surgical resection. The diagnostic histological features of IgG4-RD are readily identified in different organs. However, they may be distributed heterogeneously within a single lesion. Cases of single organ involvement show an indolent clinical course and normal serum IgG4 level after surgical resection.
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21
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The Role of EUS-Guided FNA and FNB in Autoimmune Pancreatitis. Diagnostics (Basel) 2021; 11:diagnostics11091653. [PMID: 34573995 PMCID: PMC8470670 DOI: 10.3390/diagnostics11091653] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 09/07/2021] [Accepted: 09/08/2021] [Indexed: 12/18/2022] Open
Abstract
Autoimmune pancreatitis (AIP) is an increasingly recognized disease classified into two different subtypes based on histology. According to the International Diagnostic Criteria (ICDC), the diagnosis is achieved using a combination of different criteria. In patients presenting with a typical imaging appearance, the diagnosis may be straightforward, and steroid treatment is recommended, even without histological confirmation. In patients with atypical imaging or mass-forming appearance, the differential diagnosis with pancreatic cancer is challenging and crucial for treatment strategy. Endoscopic ultrasound (EUS)-guided tissue acquisition has been proposed to achieve a histological diagnosis. Fine-needle aspiration (FNA) was first proposed to aspirate cells from pancreatic lesions. Despite excellent results in terms of sensitivity for pancreatic cancer, the data are disappointing regarding the diagnosis of AIP. The recent development of new needles allowing fine-needle biopsy (FNB) has been associated with improved diagnostic accuracy based on preserving the tissue architecture, which is necessary to detect the typical histological features of AIP. However, the published literature on the role of EUS-guided FNA and FNB is limited and mainly focused on type 1 AIP. The present study aimed to review the available literature on the role of EUS-guided FNA and FNB in the diagnosis of AIP.
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22
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Liu B, Huang Y, Tang L, Guan J, Zhou X, Zhan H. Inflammatory pseudotumor of Castleman disease and IgG4-related disease masquerading as kidney malignancy. Diagn Pathol 2021; 16:74. [PMID: 34376196 PMCID: PMC8353839 DOI: 10.1186/s13000-021-01134-y] [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: 02/17/2021] [Accepted: 07/28/2021] [Indexed: 12/24/2022] Open
Abstract
Background With widespread clinical application of imaging techniques, renal space-occupying lesions have been identified at an increasing frequency. Here, we report two rare cases, Castleman disease (CD) and IgG4-related disease (IgG4-RD), presenting primarily with the symptoms and imaging findings of kidney malignancy. Case presentation In case 1, an occupying lesion located in the right renal pelvis was detected using magnetic resonance imaging in a 32-year-old female who presented with hematuria and lumbago. First misdiagnosed as carcinoma of the renal pelvis, the patient underwent right radical nephroureterectomy. However, postoperative pathological and immunohistochemistry studies finally confirmed the diagnosis of CD. In case 2, a 45-year-old male presented with the chief complaint of anuria. Nephrostomy and renal biopsy indicated lymphoma, following which, antegrade urography and computed tomography urography were performed, which revealed bilateral hydronephrosis and mass lesions around the renal pelvis. Partial resection of the masses and frozen section examination indicated the diagnosis of CD. However, the results of postoperative histopathology and immunohistochemistry combined with serum IgG4 were consistent with IgG4-RD. Both the patients recovered well after drug treatment without recurrence of the diseases. Conclusions Inflammatory pseudotumor of CD and IgG4-RD with kidney involvement are primarily diagnosed by postoperative histopathology and can pose a preoperative diagnostic challenge because these lesions can masquerade as kidney malignancy. Therefore, we recommend core biopsy as a nonnegligible procedure to evaluate renal masses and potentially prevent unnecessary surgical treatment.
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Affiliation(s)
- Bolong Liu
- Department of Urology, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Yong Huang
- Department of Urology, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Luying Tang
- Department of Pathology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Jiexia Guan
- Department of Pathology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Xiangfu Zhou
- Department of Urology, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China.
| | - Hailun Zhan
- Department of Urology, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China.
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23
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Tong JY, Leahy KE, Wong M, Krivanek M, Tumuluri K. IgG4-related disease of the orbit in an infant. J AAPOS 2021; 25:255-257. [PMID: 34166820 DOI: 10.1016/j.jaapos.2021.04.005] [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] [Received: 03/21/2021] [Revised: 04/05/2021] [Accepted: 04/13/2021] [Indexed: 11/25/2022]
Abstract
IgG4-related disease is a chronic fibroinflammatory disorder that is becoming increasingly recognized in the pediatric population. The orbit is one of the most commonly affected sites. We present the youngest case of IgG4-related ophthalmic disease in the literature, with an immunodeficiency phenotype associated with a homozygous IRAK-4 variant gene. We also review the clinical and histological features in children with IgG4-related ophthalmic disease. In addition to the young age of presentation, the case is unique for absence of lacrimal gland involvement, dural enhancement on magnetic resonance imaging, and an association with an IRAK-4 deficiency phenotype. Management required a multidisciplinary approach, with judicious use of immunosuppression. IgG4-related ophthalmic disease should be considered as a differential diagnosis in infants and children presenting with an orbital mass. Further, a particularly young age of onset may indicate an overarching immune dysregulation syndrome.
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Affiliation(s)
- Jessica Y Tong
- Department of Ophthalmology, The Children's Hospital at Westmead, NSW, Australia; Save Sight Institute, Sydney Medical School, Faculty of Medicine and Health, The University of Sydney.
| | - Kate E Leahy
- Department of Ophthalmology, The Children's Hospital at Westmead, NSW, Australia; Save Sight Institute, Sydney Medical School, Faculty of Medicine and Health, The University of Sydney
| | - Melanie Wong
- Department of Allergy and Immunology, The Children's Hospital at Westmead, NSW, Australia
| | - Michael Krivanek
- Department of Histopathology, The Children's Hospital at Westmead, NSW, Australia
| | - Krishna Tumuluri
- Department of Ophthalmology, The Children's Hospital at Westmead, NSW, Australia; Save Sight Institute, Sydney Medical School, Faculty of Medicine and Health, The University of Sydney
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Qureshi A, Ghobrial Y, De Castro J, Siami-Namini K, Newman KA. Autoimmune pancreatitis - What we know and what do we have to know? Autoimmun Rev 2021; 20:102912. [PMID: 34280553 DOI: 10.1016/j.autrev.2021.102912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 05/28/2021] [Indexed: 11/29/2022]
Affiliation(s)
- Ammar Qureshi
- Eisenhower Health, Internal Medicine Residency Program, 39000 Bob Hope Dr, Rancho Mirage, CA 92270, United States of America.
| | - Youssef Ghobrial
- Eisenhower Health, Internal Medicine Residency Program, 39000 Bob Hope Dr, Rancho Mirage, CA 92270, United States of America
| | - Joline De Castro
- Eisenhower Health, Internal Medicine Residency Program, 39000 Bob Hope Dr, Rancho Mirage, CA 92270, United States of America
| | - Koushan Siami-Namini
- Eisenhower Health, Department of Pathology, 39000 Bob Hope Dr, Rancho Mirage, CA 92270, United States of America.
| | - Kam A Newman
- University of California, Riverside (UCR), School of Medicine, Eisenhower Health, Internal Medicine Residency Program, Division of Rheumatology, 39000 Bob Hope Dr, Rancho Mirage, CA 92270, United States of America.
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25
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Zhao EJ, Cheng CV, Mattman A, Chen LYC. Polyclonal hypergammaglobulinaemia: assessment, clinical interpretation, and management. LANCET HAEMATOLOGY 2021; 8:e365-e375. [PMID: 33894171 DOI: 10.1016/s2352-3026(21)00056-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 02/18/2021] [Accepted: 02/19/2021] [Indexed: 12/13/2022]
Abstract
This Review outlines a practical approach to assessing and managing polyclonal hypergammaglobulinaemia in adults. Polyclonal hypergammaglobulinaemia is most commonly caused by liver disease, immune dysregulation, or inflammation, but can also provide an important diagnostic clue of rare diseases such as histiocyte disorders, autoimmune lymphoproliferative syndrome, Castleman disease, and IgG4-related disease. Causes of polyclonal hypergammaglobulinaemia can be divided into eight categories: liver disease, autoimmune disease and vasculitis, infection and inflammation, non-haematological malignancy, haematological disorders, IgG4-related disease, immunodeficiency syndromes, and iatrogenic (from immunoglobulin therapy). Measuring serum concentrations of C-reactive protein and IgG subclasses are helpful in diagnosis. IL-6-mediated inflammation, associated with persistently elevated C-reactive protein concentrations (≥30 mg/L), is an important driver of polyclonal hypergammaglobulinaemia in some cases. Although the presence of markedly elevated serum IgG4 concentrations (>5 g/L) is around 90% specific for diagnosing IgG4-related disease, mildly elevated serum IgG4 concentrations are seen in many conditions. In most cases, managing polyclonal hypergammaglobulinaemia simply involves treating the underlying condition. Rarely, however, polyclonal hypergammaglobulinaemia can lead to hyperviscosity, requiring plasmapheresis.
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Affiliation(s)
- Eric J Zhao
- Division of Hematology, University of British Columbia, Vancouver, BC, Canada; Department of Medicine, Vancouver General Hospital, Vancouver, BC, Canada
| | - Catherine V Cheng
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada; Department of Medicine, Vancouver General Hospital, Vancouver, BC, Canada
| | - Andre Mattman
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada; Department of Medicine, Vancouver General Hospital, Vancouver, BC, Canada; Department of Pathology and Laboratory Medicine, St Paul's Hospital, Vancouver, BC, Canada
| | - Luke Y C Chen
- Division of Hematology, University of British Columbia, Vancouver, BC, Canada; Centre for Health Education Scholarship, University of British Columbia, Vancouver, BC, Canada; Department of Medicine, Vancouver General Hospital, Vancouver, BC, Canada.
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Saitakis G, Chwalisz BK. The neurology of IGG4-related disease. J Neurol Sci 2021; 424:117420. [PMID: 33845982 DOI: 10.1016/j.jns.2021.117420] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 10/29/2020] [Accepted: 03/24/2021] [Indexed: 12/26/2022]
Abstract
PURPOSE OF REVIEW IgG4-related disease (IgG4-RD) is emerging as a fibro-inflammatory entity affecting multiple organs, including manifold neurologic manifestations. This review discusses general characteristics of IgG4-RD neurologic disease including epidemiology, histology, clinical picture and treatment approaches. RECENT FINDINGS IgG4-RD is increasingly recognized as an important underlying pathophysiology in multiple disorders of neurologic interest, including orbital inflammation, infundibulo-hypophysitis, hypertrophic pachymeningitis, and even in rare cases CNS parenchymal disease and cranial vascular involvement. These were previously considered idiopathic and unrelated to any systemic disease but now known to share a common histopathology. New knowledge regarding the pathogenesis, clinical features and epidemiology of IgG4 is emerging, and new neurological manifestations continue to be described. Diagnostic progress includes CT-PET imaging, the use of flow cytometry for plasmablast quantification, and the use of reverse passive latex agglutination aiming to overcome the prozone phenomenon. Histopathologic confirmation of IgG4-RD remains the gold standard method of diagnosis but new diagnostic criteria for systemic and organ-specific disease are being proposed. Though glucorticoids remain the mainstay of therapy, relapses and incomplete recovery are frequent. Rituximab is a promising treatment in IgG4-RD that is severe, refractory or glucocorticoid dependent. Initiation of immunosuppression at an early stage of disease should be considered in order to avoid development of refractory fibrosis. SUMMARY The current review emphasizes the neurologic manifestations of IgG4-RD.
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Affiliation(s)
- G Saitakis
- Division of Neuro-Ophthalmology, Department of Ophthalmology, Massachusetts Eye & Ear Infirmary/Harvard Medical School, Boston, MA, USA
| | - B K Chwalisz
- Division of Neuro-Ophthalmology, Department of Ophthalmology, Massachusetts Eye & Ear Infirmary/Harvard Medical School, Boston, MA, USA; Department of Neurology, Massachusetts General Hospital/Harvard Medical School, Boston, MA, USA.
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Liu Y, Yang F, Chi X, Zhang Y, Fu J, Bian W, Shen D, Li Z. Needle biopsy compared with surgical biopsy: pitfalls of small biopsy in histologial diagnosis of IgG4-related disease. Arthritis Res Ther 2021; 23:54. [PMID: 33568210 PMCID: PMC7874654 DOI: 10.1186/s13075-021-02432-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 01/20/2021] [Indexed: 11/10/2022] Open
Abstract
Objective The growing utilization of needle biopsy has challenged the current pathology consensus of IgG4-related disease (IgG4-RD). The aims of this study were to identify the histological characteristics of needle biopsy and surgical specimens and evaluate the ability of needle biopsy in histological diagnosis of IgG4-RD. Methods Biopsies from patients who were referred to as IgG4-RD by the 2019 ACR/EULAR IgG4-RD classification criteria in Peking University People’s Hospital from 2012 to 2019 were re-evaluated. Typical histological features and diagnostic categories were compared between needle biopsy and surgical biopsy. Results In total, 69 patients met the 2019 ACR/EULAR classification criteria and 72 biopsies of them were re-evaluated. All cases showed lymphoplasmacytic infiltrate, while storiform fibrosis and obliterative phlebitis were only present in 35 (48.6%) and 23 (31.9%) specimens, respectively. Storiform fibrosis was more likely to be seen in retroperitoneum lesion (P = 0.033). Surgical biopsy showed significantly higher IgG4+ plasma cells/high-power field (IgG4/HPF) count (P < 0.01) and higher proportion of IgG4/HPF > 10 (P < 0.01). No significant difference was observed with regard to the ratio of IgG4+ plasma cells/IgG+ plasma cells (IgG4/IgG) (P = 0.399), storiform fibrosis (P = 0.739), and obliterative phletibis (P = 0.153). According to the 2011 comprehensive diagnostic criteria, patients who performed a needle biopsy were less likely to be probable IgG4-RD (P = 0.045). Based on the 2011 pathology consensus, needle biopsy was less likely to be diagnosed as IgG4-RD (P < 0.01), especially to be highly suggestive IgG4-RD (P < 0.01). Only 1/18 (5.6%) needle salivary specimens fulfilled the cutoff of IgG4/HPF > 100, which was significantly less than 15/23 (65.2%) of surgical ones (P < 0.01). Conclusions Needle biopsy shows an inferiority in detecting IgG4/HPF count but not in IgG4/IgG ratio, storiform fibrosis, and obliterative phlebitis. Compared with surgical samples, needle biopsy is less likely to obtain a histological diagnosis of IgG4-RD. A different IgG4/HPF threshold for needle biopsy of the salivary glands may be considered. Supplementary Information The online version contains supplementary material available at 10.1186/s13075-021-02432-y.
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Affiliation(s)
- Yanying Liu
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, 100044, China.
| | - Fei Yang
- Department of Pathology, Peking University People's Hospital, Beijing, 100044, China
| | - Xiying Chi
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, 100044, China
| | - Yuxin Zhang
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, 100044, China
| | - Jiangnan Fu
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, 100044, China
| | - Wenjie Bian
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, 100044, China
| | - Danhua Shen
- Department of Pathology, Peking University People's Hospital, Beijing, 100044, China.
| | - Zhanguo Li
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, 100044, China.
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Kaur K, Kakkar A, Manchanda S, Chatterjee P, Kaur H, Mishra D, Verma H, Kumar R, Sagar P, Jain D, Bhalla AS. Sinonasal IgG4-related disease: a rare and emerging entity broadening the differential diagnosis in the sinonasal universe. Eur Arch Otorhinolaryngol 2021; 278:2883-2890. [PMID: 33392765 DOI: 10.1007/s00405-020-06564-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Accepted: 12/10/2020] [Indexed: 01/05/2023]
Abstract
BACKGROUND IgG4-related disease (IgG4-RD) is a multi-organ immune-mediated disorder characterized by fibroinflammatory mass-forming lesions, mimicking malignancy or infection. While well-documented in salivary glands, orbit and thyroid in the head and neck, sinonasal IgG4-RD is rare. METHODS Cases of sinonasal IgG4-RD were retrieved, and clinicopathological features reviewed. RESULTS Seven cases of sinonasal IgG4-RD were identified over a 2-year period, including three males and four females, with an age range of 13-48 years (median: 32 years). Patients presented with cheek swelling, pain and visual disturbances. Serum IgG4 levels were mildly elevated. Storiform fibrosis, obliterative phlebitis and plasma cell infiltration were seen in varying proportions. Destruction of bone and subepithelial mucoserous glands was present. ALK-1 negativity distinguished from inflammatory myofibroblastic tumor. CONCLUSION Sinonasal IgG4-RD expands the growing spectrum of IgG4-RD. A high degree of suspicion is required to include IgG4-RD in differential diagnosis of sinonasal masses, and perform detailed histological and immunohistochemical workup for accurate diagnosis.
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Affiliation(s)
- Kanwalpreet Kaur
- Department of Pathology, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, 110029, India
| | - Aanchal Kakkar
- Department of Pathology, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, 110029, India.
| | - Smita Manchanda
- Department of Radiology, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Puja Chatterjee
- Department of Otorhinolaryngology and Head Neck Surgery, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Harpreet Kaur
- Department of Oral Pathology and Microbiology, Centre of Dental Education and Research, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Deepika Mishra
- Department of Oral Pathology and Microbiology, Centre of Dental Education and Research, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Hitesh Verma
- Department of Otorhinolaryngology and Head Neck Surgery, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Rajeev Kumar
- Department of Otorhinolaryngology and Head Neck Surgery, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Prem Sagar
- Department of Otorhinolaryngology and Head Neck Surgery, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Deepali Jain
- Department of Pathology, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, 110029, India
| | - Ashu Seith Bhalla
- Department of Radiology, All India Institute of Medical Sciences, New Delhi, 110029, India
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Bell E, Schwartz M, Abrams RI, Solarewicz J, Khandelwal S. Progressive Dyspnea and Pleural Effusion-When the Answer Lies Buried in the History. Am J Med 2021; 134:57-59. [PMID: 32511956 DOI: 10.1016/j.amjmed.2020.04.040] [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: 03/09/2020] [Revised: 04/14/2020] [Accepted: 04/16/2020] [Indexed: 11/25/2022]
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Oppong KW, Maheshwari P, Nayar MK, Darne A, Parkinson D, Leeds JS, Haugk B. Utility of endoscopic ultrasound-guided fine-needle biopsy in the diagnosis of type 1 autoimmune pancreatitis. Endosc Int Open 2020; 8:E1855-E1861. [PMID: 33269321 PMCID: PMC7695513 DOI: 10.1055/a-1236-3266] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2010] [Accepted: 07/23/2020] [Indexed: 12/18/2022] Open
Abstract
Background and study aims Endoscopic ultrasound (EUS)-guided fine-needle aspiration (FNA) performs poorly in the histological diagnosis of type 1 autoimmune pancreatitis (AIP). The aim of this study was to assess the performance of fine-needle biopsy (FNB) comparing reverse bevel (RB) and fork-tip (FT) needles. Patients and methods A retrospective study of prospectively maintained databases was performed. Patients with a final diagnosis of type 1 AIP who underwent EUS-FNB during diagnostic workup were included. Pathology reports were reviewed and classified as per international consensus diagnostic criteria (ICDC). The Primary outcome was EUS-FNB sensitivity in diagnosing type 1 AIP. Results Between March 2011 and December 2018, 24 patients with a final diagnosis of type 1 AIP underwent FNB. Six patients underwent biopsy with the RB needle and 18 with the FT needle. Mean age (± SD) 62.2 (± 11.4), 17 (70.8 %) male. No RB samples were diagnostic compared to 14 (78 %) FT; P = 0.001; of which 13 (72 %) were level 1. In eight (44 %) of FT cases a diagnosis was not possible without histology. Initial biopsy was diagnostic in five (62.5 %) of these cases. Including repeat biopsy, seven (87 %) had a diagnosis made by FT needle. Obliterative phlebitis (44 %) was the least frequently identified pathological feature and immunoglobulin (IgG)4 + plasma cells > 10 per high power field (78 %) the most common. Conclusion The FT needle demonstrated good performance for diagnosing type 1 AIP. The results support the preferential use of this core biopsy needle for EUS pancreatic tissue sampling.
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Affiliation(s)
- Kofi W. Oppong
- HPB Unit, Freeman Hospital, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom,Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Pardeep Maheshwari
- HPB Unit, Freeman Hospital, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom
| | - Manu K. Nayar
- HPB Unit, Freeman Hospital, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom
| | - Antony Darne
- Department of Cellular Pathology, Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom
| | - Daniel Parkinson
- Department of Cellular Pathology, Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom
| | - John S. Leeds
- HPB Unit, Freeman Hospital, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom,Population Health Sciences Institute, Newcastle University, Newcastle Upon Tyne, United Kingdom
| | - Beate Haugk
- Department of Cellular Pathology, Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom
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Peisen F, Thaiss WM, Ekert K, Horger M, Amend B, Bedke J, Nikolaou K, Kaufmann S. Retroperitoneal Fibrosis and its Differential Diagnoses: The Role of Radiological Imaging. ROFO-FORTSCHR RONTG 2020; 192:929-936. [DOI: 10.1055/a-1181-9205] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Background Retroperitoneal fibrosis is a rare disease with an incidence of 0–1/100 000 inhabitants per year and is associated with chronic inflammatory fibrosis of the retroperitoneum and the abdominal aorta. This article sheds light on the role of radiological imaging in retroperitoneal fibrosis, names various differential diagnoses and provides an overview of drug and surgical treatment options.
Methods A literature search for the keywords “retroperitoneal fibrosis” and “Ormond’s disease” was carried out in the PubMed database between January 1, 1995 and December 31, 2019 (n = 1806). Mainly original papers were selected, but also reviews, in English and German language, with a focus on publications in the last 10 years, without excluding older publications that the authors believe are relevant to the topic discussed in the review (n = 40).
Results and Conclusion Ormond’s disease is a rare but important differential diagnosis for nonspecific back and flank pain. Imaging diagnostics using CT or MRI show a retroperitoneal mass, which must be differentiated from lymphoma, sarcoma, multiple myeloma and Erdheim-Chester disease. Patients have an excellent prognosis under adequate therapy. FDG-PET/CT or FDG-PET/MRT should be considered as potential modalities, as hybrid imaging can evaluate both the morphological changes and the inflammation.
Key Points:
Citation Format
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Affiliation(s)
- Felix Peisen
- Department of Diagnostic and Interventional Radiology, Eberhard Karls University Tübingen, Tübingen, Germany
| | - Wolfgang Maximilian Thaiss
- Department of Diagnostic and Interventional Radiology, Eberhard Karls University Tübingen, Tübingen, Germany
| | - Kaspar Ekert
- Department of Diagnostic and Interventional Radiology, Eberhard Karls University Tübingen, Tübingen, Germany
| | - Marius Horger
- Department of Diagnostic and Interventional Radiology, Eberhard Karls University Tübingen, Tübingen, Germany
| | - Bastian Amend
- Department of Urology, Eberhard Karls University Tübingen, Tübingen, Germany
| | - Jens Bedke
- Department of Urology, Eberhard Karls University Tübingen, Tübingen, Germany
| | - Konstantin Nikolaou
- Department of Diagnostic and Interventional Radiology, Eberhard Karls University Tübingen, Tübingen, Germany
| | - Sascha Kaufmann
- Department of Diagnostic and Interventional Radiology, Eberhard Karls University Tübingen, Tübingen, Germany
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32
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Paepegaey AC, Cottereau AS, Dohan A, Gaujoux S, Triller MF, Sibony M, Groussin L, Libé R. A pheochromocytoma wrapped in an IgG4-related disease. Eur J Nucl Med Mol Imaging 2020; 48:929-930. [PMID: 32671453 DOI: 10.1007/s00259-020-04959-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 07/08/2020] [Indexed: 10/23/2022]
Affiliation(s)
- Anne-Cécile Paepegaey
- Department of Endocrinology, Cochin Hospital, Assistance Publique Hôpitaux de Paris, Paris Descartes University, Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Anne-Segolene Cottereau
- Department of Nuclear Medicine, Cochin Hospital, Assistance Publique Hôpitaux de Paris, Paris Descartes University, Paris, France
| | - Anthony Dohan
- Department of Radiology, Cochin Hospital, Assistance Publique Hôpitaux de Paris, Paris Descartes University, Paris, France
| | - Sébastien Gaujoux
- Department of Endocrine Surgery, Cochin Hospital, Assistance Publique Hôpitaux de Paris, Paris Descartes University, Paris, France
| | - Marie-Francoise Triller
- Department of Pathology, Cochin Hospital, Assistance Publique Hôpitaux de Paris, Paris Descartes University, Paris, France
| | - Mathilde Sibony
- Department of Pathology, Cochin Hospital, Assistance Publique Hôpitaux de Paris, Paris Descartes University, Paris, France
| | - Lionel Groussin
- Department of Endocrinology, Cochin Hospital, Assistance Publique Hôpitaux de Paris, Paris Descartes University, Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Rossella Libé
- Department of Endocrinology, Cochin Hospital, Assistance Publique Hôpitaux de Paris, Paris Descartes University, Paris, France. .,Université Paris Descartes, Sorbonne Paris Cité, Paris, France. .,French Network for Rare Adrenal Cancers-COMETE, Paris, France.
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33
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Lintusaari J, Vesaniemi E, Kalfert D, Ilvesaro J, Ludvíková M, Kholová I. IgG4-positive plasma cells in Hashimoto thyroiditis: IgG4-related disease or inflammation-related IgG4-positivity? APMIS 2020; 128:531-538. [PMID: 32578252 DOI: 10.1111/apm.13067] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Accepted: 06/11/2020] [Indexed: 12/24/2022]
Abstract
Despite the interest of researchers in IgG4-related disease (IgG4-RD), many questions still remain unanswered regarding the thyroid gland. We aimed to clarify the relationship between IgG4-positive plasma cells and the histopathological pattern in the Hashimoto thyroiditis (HT) in a Finnish series. HT specimens (n = 280) were retrieved from the Department of Pathology, Fimlab Laboratories. After re-evaluation, 82 (29%) cases (72 females and 10 males, 52 ± 17 years) with significant fibrosis were selected. CD38, IgG and IgG4 positivity in plasma cells was evaluated by immunohistochemistry. Adjusted IgG4-positive plasma cells per HPF > 20 and IgG4- to IgG-positive plasma cell ratio > 30% were adopted as threshold criteria and related to other morphological features. IgG4-positive HT group included 13 cases (15% from fibrotic HT, 4.6% from all HT, 50 ± 15 years, 11 females) with adjusted HPF count 30 ± 5 (23-40) IgG4-positive cells. IgG4-positivity significantly correlated with the presence of lobulation, oncocytic metaplasia and certain type of fibrosis, fibrosis spread outside the gland, lymphocytes/plasma cells epithelial penetration, the predominance of microfollicles and follicular atrophy in the present study. Despite the persisting uncertainty whether HT is IgG4-RD, HT with IgG4-positive plasma cells is histopathologically distinct entity with some geographic variability.
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Affiliation(s)
- Jarkko Lintusaari
- Pathology, Fimlab Laboratories, Tampere, Finland.,Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Eini Vesaniemi
- Pathology, Fimlab Laboratories, Tampere, Finland.,Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - David Kalfert
- Department of Otorhinolaryngology and Head and Neck Surgery, First Faculty of Medicine, University Hospital Motol, Charles University, Prague, Czech Republic
| | | | - Marie Ludvíková
- Department of Biology, Faculty of Medicine in Pilsen, Charles University, Pilsen, Czech Republic
| | - Ivana Kholová
- Pathology, Fimlab Laboratories, Tampere, Finland.,Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
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Löhr JM, Beuers U, Vujasinovic M, Alvaro D, Frøkjær JB, Buttgereit F, Capurso G, Culver EL, de-Madaria E, Della-Torre E, Detlefsen S, Dominguez-Muñoz E, Czubkowski P, Ewald N, Frulloni L, Gubergrits N, Duman DG, Hackert T, Iglesias-Garcia J, Kartalis N, Laghi A, Lammert F, Lindgren F, Okhlobystin A, Oracz G, Parniczky A, Mucelli RMP, Rebours V, Rosendahl J, Schleinitz N, Schneider A, van Bommel EF, Verbeke CS, Vullierme MP, Witt H. European Guideline on IgG4-related digestive disease - UEG and SGF evidence-based recommendations. United European Gastroenterol J 2020; 8:637-666. [PMID: 32552502 DOI: 10.1177/2050640620934911] [Citation(s) in RCA: 101] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The overall objective of these guidelines is to provide evidence-based recommendations for the diagnosis and management of immunoglobulin G4 (IgG4)-related digestive disease in adults and children. IgG4-related digestive disease can be diagnosed only with a comprehensive work-up that includes histology, organ morphology at imaging, serology, search for other organ involvement, and response to glucocorticoid treatment. Indications for treatment are symptomatic patients with obstructive jaundice, abdominal pain, posterior pancreatic pain, and involvement of extra-pancreatic digestive organs, including IgG4-related cholangitis. Treatment with glucocorticoids should be weight-based and initiated at a dose of 0.6-0.8 mg/kg body weight/day orally (typical starting dose 30-40 mg/day prednisone equivalent) for 1 month to induce remission and then be tapered within two additional months. Response to initial treatment should be assessed at week 2-4 with clinical, biochemical and morphological markers. Maintenance treatment with glucocorticoids should be considered in multi-organ disease or history of relapse. If there is no change in disease activity and burden within 3 months, the diagnosis should be reconsidered. If the disease relapsed during the 3 months of treatment, immunosuppressive drugs should be added.
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Affiliation(s)
- J-Matthias Löhr
- Department of Upper Gastrointestinal Diseases, Karolinska University Hospital, Stockholm, Sweden and Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Stockholm, Sweden
| | - Ulrich Beuers
- Department of Gastroenterology and Hepatology, Amsterdam University Medical Centers, location AMC, Amsterdam, the Netherlands
| | - Miroslav Vujasinovic
- Department of Upper Gastrointestinal Diseases, Karolinska University Hospital, Stockholm, Sweden and Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden
| | - Domenico Alvaro
- Department of Translational and Precision Medicine, Sapienza University of Rome, Rome, Italy
| | | | - Frank Buttgereit
- Department of Rheumatology and Clinical Immunology, Charité University Medicine Berlin, Berlin, Germany
| | - Gabriele Capurso
- PancreatoBiliary Endoscopy and EUS Division Pancreas Translational and Clinical Research Center IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Emma L Culver
- Translational Gastroenterology Unit, John Radcliffe Hospital and Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Enrique de-Madaria
- Gastroenterology Department, Alicante University General Hospital, ISABIAL, Alicante, Spain
| | - Emanuel Della-Torre
- School of Medicine, Vita-Salute San Raffaele University, Milan, Italy; Unit of Immunology, Rheumatology, Allergy and Rare Disease (UnIRAR), IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Sönke Detlefsen
- Department of Pathology, Odense Pancreas Center (OPAC), Odense University Hospital, Odense, Denmark
| | - Enrique Dominguez-Muñoz
- Department of Gastroenterology and Hepatology, University Hospital of Santiago de Compostela, Santiago de Compostela, Spain
| | - Piotr Czubkowski
- Department of Gastroenterology, Hepatology, Nutritional Disorders and Pediatrics, The Children's Memorial Health Institute, Warsaw, Poland
| | - Nils Ewald
- Institute of Endocrinology, Diabetology and Metabolism, Johannes Wesling University hospital, Minden, Germany and Justus Liebig University Giessen, Giessen, Germany
| | - Luca Frulloni
- Department of Medicine, Pancreas Institute, University of Verona, Verona, Italy
| | - Natalya Gubergrits
- Department of Internal Medicine, Donetsk National Medical University, Lyman, Ukraine
| | - Deniz Guney Duman
- Department of Gastroenterology, School of Medicine, Marmara University, Istanbul, Turkey
| | - Thilo Hackert
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Heidelberg, Germany
| | - Julio Iglesias-Garcia
- Department of Gastroenterology and Hepatology, University Hospital of Santiago de Compostela, Santiago de Compostela, Spain
| | - Nikolaos Kartalis
- Department of Abdominal Radiology, Karolinska University Hospital, Stockholm, Sweden
| | - Andrea Laghi
- Department of Surgical and Medical Sciences and Translational Medicine, Sapienza University of Rome, Sant'Andrea Hospital, Rome, Italy
| | - Frank Lammert
- Department of Medicine II, Saarland University Medical Center, Homburg, Germany
| | - Fredrik Lindgren
- Department of Pediatric Gastroenterology, Hepatology and Nutrition, Karolinska University Hospital, Stockholm, Sweden
| | | | - Grzegorz Oracz
- Department of Gastroenterology, Hepatology, Nutritional Disorders and Pediatrics, The Children's Memorial Health Institute, Warsaw, Poland
| | - Andrea Parniczky
- Institute for Translational Medicine, Szentágothai Research Centre, Medical School, University of Pécs, Pécs, Hungary; Heim Pál National Insitute of Pediatrics, Budapest, Hungary
| | | | - Vinciane Rebours
- Pancreatology Department, Beaujon Hospital, Clichy, Université de Paris, France
| | - Jonas Rosendahl
- Department of Internal Medicine I, Martin Luther University, Halle, Germany
| | - Nicolas Schleinitz
- Département de Médicine Interne Timone, Assistance Publique-Hôpitaux de Marseille, Aix-Marseille Université, Marseille, France
| | - Alexander Schneider
- Department of Gastroenterology and Hepatology, Klinikum Bad Hersfeld, Bad Hersfeld, Germany
| | - Eric Fh van Bommel
- Department of Internal Medicine, Dutch National Center of Expertise Retroperitoneal Fibrosis, Albert Schweitzer hospital, Dordrecht, the Netherlands
| | | | | | - Heiko Witt
- Else Kröner-Fresenius-Zentrum für Ernährungsmedizin, Paediatric Nutritional Medicine, Technische Universität München, Freising, Germany
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- See list at the end of this article
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35
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Boharoon H, Tomlinson J, Limback-Stanic C, Gontsorova A, Martin N, Hatfield E, Meeran K, Nair R, Mendoza N, Levy J, McAdoo S, Pusey C, Wernig F. A Case Series of Patients with Isolated IgG4-related Hypophysitis Treated with Rituximab. J Endocr Soc 2020; 4:bvaa048. [PMID: 32537540 PMCID: PMC7278280 DOI: 10.1210/jendso/bvaa048] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Accepted: 04/17/2020] [Indexed: 12/13/2022] Open
Abstract
Context The acute presentation of immunoglobulin G4 (IgG4)-related hypophysitis can be indistinguishable from other forms of acute hypophysitis, and histology remains the diagnostic gold standard. The high recurrence rate necessitates long-term immunosuppressive therapy. Rituximab (RTX) has been shown to be effective in systemic IgG4-related disease (IgG4-RD), but experience with isolated pituitary involvement remains limited. Case Description We report 3 female patients with MRI findings suggestive of hypophysitis. All patients underwent transsphenoidal biopsy and fulfilled diagnostic criteria for IgG4-related hypophysitis. Treatment with glucocorticoids (GCs) resulted in good therapeutic response in Patients 1 and 2, but the disease recurred on tapering doses of GCs. GC treatment led to emotional lability in Patient 3, necessitating a dose reduction. All 3 patients received RTX and Patients 2 and 3 received further courses of treatment when symptoms returned and B-cells repopulated. Patient 3 did not receive RTX until 12 months from the onset of symptoms. Patient 1 was not able to have further RTX treatments due to an allergic reaction when receiving the second dose. Rituximab treatment resulted in sustained remission and full recovery of anterior pituitary function in Patients 1 and 2, with complete resolution of pituitary enlargement. By contrast, Patient 3 only showed a symptomatic response following RTX treatment, but pituitary enlargement and hypofunction persisted. Conclusion Rituximab treatment for IgG4-related hypophysitis resulted in sustained remission in 2 patients treated early in the disease process but only achieved partial response in a patient with chronic disease, suggesting that early therapeutic intervention may be crucial in order to avoid irreversible changes.
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Affiliation(s)
- Hessa Boharoon
- Department of Endocrinology, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK
| | - James Tomlinson
- Renal Unit, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK
| | - Clara Limback-Stanic
- Department of Cellular Pathology, Imperial College Healthcare NHS Trust, London, UK
| | | | - Niamh Martin
- Department of Endocrinology, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK.,Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK
| | - Emma Hatfield
- Department of Endocrinology, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK
| | - Karim Meeran
- Department of Endocrinology, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK.,Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK
| | - Ramesh Nair
- Department of Neurosurgery, Imperial College Healthcare NHS Trust, London, UK
| | - Nigel Mendoza
- Department of Neurosurgery, Imperial College Healthcare NHS Trust, London, UK
| | - Jeremy Levy
- Renal Unit, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK.,Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK
| | - Steve McAdoo
- Renal Unit, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK
| | - Charles Pusey
- Renal Unit, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK
| | - Florian Wernig
- Department of Endocrinology, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK
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36
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Chudek D, Thomas J, Triantafyllou A, Roland N. Inflammatory Myofibroblastic Tumour of the Submandibular Gland. Surg Case Rep 2019. [DOI: 10.31487/j.scr.2019.05.03] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
A 77-year-old man presented with a two-month history of a left sided, firm, and non-tender submandibular mass. The patient was systemically well with no history of weight loss or night sweats. On examination, there were no oropharyngeal abnormalities and flexible nasendoscopy was normal. An ultrasound scan and magnetic resonance imaging (MRI) confirmed a 2.8 x 2.4 x 4.3cm irregular mass in level I of the neck with a chain of small lymph nodes. Following inconclusive fine needle aspirations (FNA) and a core biopsy, an excision of the submandibular gland was performed. The pathology revealed an inflammatory myofibroblastic tumour (IMT) of the submandibular gland. To complete treatment a selective neck dissection and post-operative radiotherapy was performed. IMTs are rare, poorly understood tumours that can occur anywhere in the body. The incidence in the head and neck regions accounts for a small number of all cases. We present a rare case of IMT in the submandibular gland.
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