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Faisal M, Shams A, Archichige S, Hamdi A, Akhtar M. A Case Report of Crescentic Glomerulonephritis With Positive Serum Anti-glomerular Basement Membrane Without Linear Glomerular Basement Membrane Immunofluorescent Staining. Cureus 2022; 14:e24879. [PMID: 35702466 PMCID: PMC9179943 DOI: 10.7759/cureus.24879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/10/2022] [Indexed: 11/24/2022] Open
Abstract
Anti-glomerular basement membrane (anti-GBM) disease is an autoimmune disorder characterized by the production of circulating immunoglobulin G (IgG) antibodies that affect the kidneys and lungs, mainly in the form of rapidly progressive crescentic glomerulonephritis and pulmonary hemorrhage. Typically diagnosed on tissue biopsy, findings mainly include glomerular crescent formation, bright linear staining of GBM for IgG on direct immunofluorescence (IF), and the serologic presence of circulating anti-GBM antibodies. Variation in the laboratory results, where histological findings of linear IgG IF staining were present in the absence of circulating anti-GBM antibodies, have recently led to the use of the term “atypical anti-GBM disease,” which usually has a distinct benign clinical outcome as compared to typical anti-GBM disease. We report a case of a middle-aged woman who presented with renal failure without lung involvement. Upon further investigation, the patient was found to have strongly positive serum anti-GBM antibodies, but the tissue biopsy did not show typical findings of the anti-GBM disease. The patient showed modest improvement after multiple sessions of plasmapheresis and steroids, with stabilization of her renal parameters after the initial response. In our case, we will address the possibilities of the discrepancies between the serological and histopathological findings.
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Moiseev S, Cohen Tervaert JW, Arimura Y, Bogdanos DP, Csernok E, Damoiseaux J, Ferrante M, Flores-Suárez LF, Fritzler MJ, Invernizzi P, Jayne D, Jennette JC, Little MA, McAdoo SP, Novikov P, Pusey CD, Radice A, Salama AD, Savige JA, Segelmark M, Shoenfeld Y, Sinico RA, Sousa MJ, Specks U, Terrier B, Tzioufas AG, Vermeire S, Zhao MH, Bossuyt X. 2020 international consensus on ANCA testing beyond systemic vasculitis. Autoimmun Rev 2020; 19:102618. [PMID: 32663621 DOI: 10.1016/j.autrev.2020.102618] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 03/08/2020] [Indexed: 02/07/2023]
Abstract
This document follows up on a 2017 revised international consensus on anti-neutrophil cytoplasm antibodies (ANCA) testing in granulomatosis with polyangiitis and microscopic polyangiitis and focuses on the clinical and diagnostic value of ANCA detection in patients with connective tissue diseases, idiopathic interstitial pneumonia, autoimmune liver diseases, inflammatory bowel diseases, anti-glomerular basement membrane (GBM) disease, infections, malignancy, and during drug treatment. Current evidence suggests that in certain settings beyond systemic vasculitis, ANCA may have clinical, pathogenic and/or diagnostic relevance. Antigen-specific ANCA targeting proteinase-3 and myeloperoxidase should be tested by solid phase immunoassays in any patient with clinical features suggesting ANCA-associated vasculitis and in all patients with anti-GBM disease, idiopathic interstitial pneumonia, and infective endocarditis associated with nephritis, whereas in patients with other aforementioned disorders routine ANCA testing is not recommended. Among patients with autoimmune liver diseases or inflammatory bowel diseases, ANCA testing may be justified in patients with suspected autoimmune hepatitis type 1 who do not have conventional autoantibodies or in case of diagnostic uncertainty to discriminate ulcerative colitis from Crohn's disease. In these cases, ANCA should be tested by indirect immunofluorescence as the target antigens are not yet well characterized. Many questions concerning the optimal use of ANCA testing in patients without ANCA-associated vasculitis remain to be answered.
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Affiliation(s)
- Sergey Moiseev
- Tareev Clinic of Internal Diseases, Sechenov First Moscow State Medical University, Moscow, Russia.
| | - Jan Willem Cohen Tervaert
- Department of Medicine, Division of Rheumatology, University of Alberta, Edmonton, Canada and Maastricht University, Maastricht, The Netherlands
| | - Yoshihiro Arimura
- Department of Nephrology and Rheumatology, Kyorin University School of Medicine, Tokyo, Japan
| | - Dimitrios P Bogdanos
- Department of Rheumatology and Clinical Immunology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Biopolis, Larissa, Greece
| | - Elena Csernok
- Department of Internal Medicine, Rheumatology and Immunology, Vasculitis-Center Tübingen-Kirchheim, Medius Klinik Kirchheim, University of Tübingen, Kirchheim-Teck, Germany
| | - Jan Damoiseaux
- Central Diagnostic Laboratory, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - Marc Ferrante
- University Hospitals Leuven, Department of Gastroenterology and Hepatology, KU Leuven, Leuven, Belgium
| | - Luis Felipe Flores-Suárez
- Primary Systemic Vasculitides Clinic, Instituto Nacional de Enfermedades Respiratorias, Mexico City, Mexico
| | - Marvin J Fritzler
- Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Pietro Invernizzi
- Division Gastroenterology and Center for Autoimmune Liver Diseases, University of Milano-Bicocca School of Medicine, Monza, Italy
| | - David Jayne
- Department of Medicine, University of Cambridge, Cambridge, UK
| | - J Charles Jennette
- Division of Nephropathology, School of Medicine, University of North Carolina, Chapel Hill, NC, USA
| | - Mark A Little
- Trinity Health Kidney Centre, Trinity Translational Medicine Institute, Dublin, Ireland
| | - Stephen P McAdoo
- Centre for Inflammatory Disease, Department of Medicine, Imperial College London, London, UK
| | - Pavel Novikov
- Tareev Clinic of Internal Diseases, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Charles D Pusey
- Centre for Inflammatory Disease, Department of Medicine, Imperial College London, London, UK
| | - Antonella Radice
- Microbiology and Virology Institute, ASST Santi Paolo e Carlo, San Carlo Borromeo Hospital, Milan, Italy
| | - Alan D Salama
- UCL Department of Renal Medicine, Royal Free Hospital, London, UK
| | - Judith A Savige
- Department of Medicine, Melbourne Health, University of Melbourne, Melbourne, Australia
| | - Mårten Segelmark
- Department of Clinical Sciences, Lund University, Department of Nephrology and Rheumatology, Skane University Hospital, Lund, Sweden
| | - Yehuda Shoenfeld
- Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel Hashomer, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Renato A Sinico
- Department of Medicine and Surgery, Università degli Studi di Milano-Bicocca, Monza, Italy
| | - Maria-José Sousa
- Immunopathology and Autoimmunity Department, Centro de Medicina Laboratorial Germano de Sousa, Lisbon, Portugal
| | - Ulrich Specks
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN, USA
| | - Benjamin Terrier
- Department of Internal Medicine, National Referral Center for Rare Systemic and Autoimmune Diseases, Hôpital Cochin, Paris, France
| | - Athanasios G Tzioufas
- Department of Pathophysiology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Severine Vermeire
- University Hospitals Leuven, Department of Gastroenterology and Hepatology, KU Leuven, Leuven, Belgium
| | - Ming-Hui Zhao
- Renal Division, Peking University First Hospital, Key Laboratory of Renal Disease, Ministry of Health of China, Key Laboratory of CKD Prevention and Treatment, Ministry of Education of China, Peking-Tsinghua Centre for Life Sciences, Beijing, China
| | - Xavier Bossuyt
- Laboratory Medicine, University Hospitals Leuven, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
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Anguiano L, Kain R, Anders HJ. The glomerular crescent: triggers, evolution, resolution, and implications for therapy. Curr Opin Nephrol Hypertens 2020; 29:302-309. [PMID: 32132388 PMCID: PMC7170443 DOI: 10.1097/mnh.0000000000000596] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
PURPOSE OF REVIEW Crescents are classical histopathological lesions found in severe forms of rapidly progressive glomerulonephritis, also referred to as crescentic glomerulonephritis (CGN). Crescent formation is a consequence of diverse upstream pathomechanisms and unraveling these mechanisms is of great interest for improving the management of patients affected by CGN. Thus, in this review, we provide an update on the latest insight into the understanding on how crescents develop and how they resolve. RECENT FINDINGS Cellular crescents develop from activated parietal epithelial cells (PECs) residing along Bowman's capsule and their formation has as a consequence the decline in glomerular filtration rate (GFR). Cellular crescents can be reversible, but when multilevel growth of PECs associate with an epithelial--mesenchymal transition-like change in cell phenotype, fibrous crescents form, and crescents become irreversible also in terms of GFR recovery. Different molecular pathways trigger the activation of PECs and are a prime therapeutics target in CGN. First, crescent formation requires also vascular injury causing ruptures in the glomerular basement membrane that trigger plasmatic coagulation within Bowman's space. This vascular necrosis can be triggered by different upstream mechanisms, such as small vessel vasculitides, immune complex glomerulonephritis, anti-GBM disease, and C3 glomerulonephritis, that all share complement activation but involve diverse upstream immune mechanisms outside the kidney accessible for therapeutic intervention. SUMMARY Knowing the upstream mechanisms that triggered crescent formation provides a tool for the development of therapeutic interventions for CGN.
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Affiliation(s)
- Lidia Anguiano
- Renal Division, Department of Medicine IV, University Hospital of the Ludwig Maximilian University, Munich, Germany
| | - Renate Kain
- Department of Pathology, Medical University of Vienna, Vienna, Austria
| | - Hans-Joachim Anders
- Renal Division, Department of Medicine IV, University Hospital of the Ludwig Maximilian University, Munich, Germany
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Salama AD. IgA vasculitis and anti-GBM disease: two ends of a spectrum of immune complex vasculitis. Rheumatology (Oxford) 2020; 59:iii118-iii122. [PMID: 32348516 DOI: 10.1093/rheumatology/kez540] [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: 08/29/2019] [Revised: 09/30/2019] [Indexed: 11/12/2022] Open
Abstract
Two immune complex vasculitides, IgA vasculitis (IgAV) and anti-GBM disease, represent polar extremes with regard to our understanding of disease pathogenesis, standardized management protocols and outcomes. This report compares our current approach to these uncommon entities in adults. Both diseases demonstrate degrees of small vessel necrosis and glomerular crescent formation. IgAV has an antibody response directed against unknown antigens, is often treated conservatively and has poorly studied long term renal outcomes. By contrast, anti-GBM disease presents with rapidly progressive glomerulonephritis and often results in end stage renal failure, despite intensive immunosuppression. Rarely, some cases of anti-GBM disease may be IgA predominant and bind other α-chains present in the GBM, but their clinical course is as for other anti-GBM disease patients but not IgAV, suggesting that the antigenic target rather than the antibody subclass is the critical factor in determining disease outcome. However, both conditions are associated with increased mortality in adults and result in significant chronic kidney disease and hypertension.
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Affiliation(s)
- Alan D Salama
- UCL Department of Renal Medicine, Royal Free Hospital, London, UK
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Chittka D, Lennartz L, Jung B, Banas B, Bergler T. [Successful rituximab treatment of recurrent glomerulonephritis associated with antibodies against the glomerular basement membrane]. Internist (Berl) 2020; 61:416-423. [PMID: 32179970 DOI: 10.1007/s00108-020-00773-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
This article presents a case of recurrent anti-GBM disease (with antibodies against the glomerular basement membrane [GBM]) in a 17-year-old patient successfully treated with rituximab. Kidney biopsy with detection of linear deposition of immunoglobulin G (IgG) along the basement membrane is the diagnostic gold standard, which should be accompanied by serological testing. However, standard assays for the detection of anti-GBM antibodies have a high rate of false-negative results. In this particular case, an increase in proteinuria despite standard therapy (plasmapheresis, steroids, cyclophosphamide) was the clinical correlate of relapsing disease. The use of rituximab completely resolved the recurrent anti-GBM disease.
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Affiliation(s)
- D Chittka
- Abteilung Nephrologie, Universitätsklinikum Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Deutschland.
| | - L Lennartz
- Abteilung Nephrologie, Universitätsklinikum Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Deutschland
| | - B Jung
- Abteilung Nephrologie, Universitätsklinikum Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Deutschland
| | - B Banas
- Abteilung Nephrologie, Universitätsklinikum Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Deutschland
| | - T Bergler
- Abteilung Nephrologie, Universitätsklinikum Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Deutschland
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