Mystical Myositis: A Case Series from Kalafong Provincial Tertiary Hospital, Pretoria, South Africa

Idiopathic inflammatory myositis (IIM) is an expanding field in rheumatology as more myositis-specific antibodies (MSAs) and myositis-associated antibodies (MAAs) become available for testing. Clinical signs and specific clinical phenotypes are found in the MSA group, with as high as 70% of IIM pati...

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Main Author: Michael Myburgh
Format: Article
Language:English
Published: Wiley 2024-01-01
Series:Case Reports in Rheumatology
Online Access:http://dx.doi.org/10.1155/2024/7410630
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author Michael Myburgh
author_facet Michael Myburgh
author_sort Michael Myburgh
collection DOAJ
description Idiopathic inflammatory myositis (IIM) is an expanding field in rheumatology as more myositis-specific antibodies (MSAs) and myositis-associated antibodies (MAAs) become available for testing. Clinical signs and specific clinical phenotypes are found in the MSA group, with as high as 70% of IIM patients having a positive myositis-specific antibody. Although IIM remains a heterogenous disease, assigning a phenotype to these patients will prove to be critical as we learn which cases require more aggressive therapy and what complications to search for as the disease progresses. The IIM patients for the last 5 years were reviewed and profiled using recently available myositis profile testing at our National Health Laboratory Services. Patients from our rheumatology clinic were categorized according to this antibody profile. Three cases diagnosed with dermatomyositis (DM) were selected for discussion in this article which include a patient with each of the following: anti-transcriptional intermediary factor 1-y (TIF1y) DM, anti-melanoma differentiation-associated protein 5 (MDA 5) DM, and anti-signal recognition particle (SRP) DM.
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spelling doaj-art-20661dc6042a43829484155cf58e84c92025-01-03T01:30:48ZengWileyCase Reports in Rheumatology2090-68972024-01-01202410.1155/2024/7410630Mystical Myositis: A Case Series from Kalafong Provincial Tertiary Hospital, Pretoria, South AfricaMichael Myburgh0Department of Internal MedicineIdiopathic inflammatory myositis (IIM) is an expanding field in rheumatology as more myositis-specific antibodies (MSAs) and myositis-associated antibodies (MAAs) become available for testing. Clinical signs and specific clinical phenotypes are found in the MSA group, with as high as 70% of IIM patients having a positive myositis-specific antibody. Although IIM remains a heterogenous disease, assigning a phenotype to these patients will prove to be critical as we learn which cases require more aggressive therapy and what complications to search for as the disease progresses. The IIM patients for the last 5 years were reviewed and profiled using recently available myositis profile testing at our National Health Laboratory Services. Patients from our rheumatology clinic were categorized according to this antibody profile. Three cases diagnosed with dermatomyositis (DM) were selected for discussion in this article which include a patient with each of the following: anti-transcriptional intermediary factor 1-y (TIF1y) DM, anti-melanoma differentiation-associated protein 5 (MDA 5) DM, and anti-signal recognition particle (SRP) DM.http://dx.doi.org/10.1155/2024/7410630
spellingShingle Michael Myburgh
Mystical Myositis: A Case Series from Kalafong Provincial Tertiary Hospital, Pretoria, South Africa
Case Reports in Rheumatology
title Mystical Myositis: A Case Series from Kalafong Provincial Tertiary Hospital, Pretoria, South Africa
title_full Mystical Myositis: A Case Series from Kalafong Provincial Tertiary Hospital, Pretoria, South Africa
title_fullStr Mystical Myositis: A Case Series from Kalafong Provincial Tertiary Hospital, Pretoria, South Africa
title_full_unstemmed Mystical Myositis: A Case Series from Kalafong Provincial Tertiary Hospital, Pretoria, South Africa
title_short Mystical Myositis: A Case Series from Kalafong Provincial Tertiary Hospital, Pretoria, South Africa
title_sort mystical myositis a case series from kalafong provincial tertiary hospital pretoria south africa
url http://dx.doi.org/10.1155/2024/7410630
work_keys_str_mv AT michaelmyburgh mysticalmyositisacaseseriesfromkalafongprovincialtertiaryhospitalpretoriasouthafrica