Heavy chain deposition disease presenting with raised anti-GBM antibody levels; a case report

Background Monoclonal immunoglobulin deposition disease (MIDD) is a rare condition accounting for < 1% of histopathological diagnoses made on kidney biopsy1. The best outcomes are seen in those diagnosed and treated promptly, but delay to diagnosis is common with the largest series reporting a me...

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Main Authors: Turner, M, Crawford, A, Winterbottom, C, Flossmann, O, Alchi, B, Soares, M, Bhandary, U
Format: Journal article
Language:English
Published: BioMed Central 2020
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author Turner, M
Crawford, A
Winterbottom, C
Flossmann, O
Alchi, B
Soares, M
Bhandary, U
author_facet Turner, M
Crawford, A
Winterbottom, C
Flossmann, O
Alchi, B
Soares, M
Bhandary, U
author_sort Turner, M
collection OXFORD
description Background Monoclonal immunoglobulin deposition disease (MIDD) is a rare condition accounting for < 1% of histopathological diagnoses made on kidney biopsy1. The best outcomes are seen in those diagnosed and treated promptly, but delay to diagnosis is common with the largest series reporting a median time from onset of renal impairment to diagnosis of 12 months2. Here, we report a case of the heavy chain subset of MIDD presenting with positive anti-glomerular basement membrane (anti-GBM) antibodies obscuring the true diagnosis. Case presentation Here, we present a challenging case presenting with oedema, haematoproteiuria, and new renal impairment. Anti-GBM antibodies were positive and prompted treatment as atypical anti-GBM disease. However, they were ultimately proven to be monoclonal and secondary to myeloma. The final diagnosis facilitated effective myeloma treatment which led to complete remission and independence from renal replacement therapy. Conclusions This case reinforces the importance of comprehensive histopathological and haematological assessment in making the correct diagnosis. Here it facilitated effective treatment and recovery of renal function.
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spelling oxford-uuid:ffe6a0ae-bb5d-4683-a1f0-fc79967c0f012022-03-27T13:48:36ZHeavy chain deposition disease presenting with raised anti-GBM antibody levels; a case reportJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:ffe6a0ae-bb5d-4683-a1f0-fc79967c0f01EnglishSymplectic ElementsBioMed Central2020Turner, MCrawford, AWinterbottom, CFlossmann, OAlchi, BSoares, MBhandary, UBackground Monoclonal immunoglobulin deposition disease (MIDD) is a rare condition accounting for < 1% of histopathological diagnoses made on kidney biopsy1. The best outcomes are seen in those diagnosed and treated promptly, but delay to diagnosis is common with the largest series reporting a median time from onset of renal impairment to diagnosis of 12 months2. Here, we report a case of the heavy chain subset of MIDD presenting with positive anti-glomerular basement membrane (anti-GBM) antibodies obscuring the true diagnosis. Case presentation Here, we present a challenging case presenting with oedema, haematoproteiuria, and new renal impairment. Anti-GBM antibodies were positive and prompted treatment as atypical anti-GBM disease. However, they were ultimately proven to be monoclonal and secondary to myeloma. The final diagnosis facilitated effective myeloma treatment which led to complete remission and independence from renal replacement therapy. Conclusions This case reinforces the importance of comprehensive histopathological and haematological assessment in making the correct diagnosis. Here it facilitated effective treatment and recovery of renal function.
spellingShingle Turner, M
Crawford, A
Winterbottom, C
Flossmann, O
Alchi, B
Soares, M
Bhandary, U
Heavy chain deposition disease presenting with raised anti-GBM antibody levels; a case report
title Heavy chain deposition disease presenting with raised anti-GBM antibody levels; a case report
title_full Heavy chain deposition disease presenting with raised anti-GBM antibody levels; a case report
title_fullStr Heavy chain deposition disease presenting with raised anti-GBM antibody levels; a case report
title_full_unstemmed Heavy chain deposition disease presenting with raised anti-GBM antibody levels; a case report
title_short Heavy chain deposition disease presenting with raised anti-GBM antibody levels; a case report
title_sort heavy chain deposition disease presenting with raised anti gbm antibody levels a case report
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