Inflammatory myopathies: an update for neurologists

ABSTRACT Idiopathic inflammatory myopathies (IIM) are a heterogenous group of treatable myopathies. Patients present mainly to the rheumatologist and neurologists, complaining of acute or subacute onset of proximal weakness. Extramuscular manifestations may occur, including involvement of the lungs,...

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Main Authors: André Macedo Serafim Silva, Eliene Dutra Campos, Edmar Zanoteli
Format: Article
Language:English
Published: Thieme Revinter Publicações 2022-08-01
Series:Arquivos de Neuro-Psiquiatria
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Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X2022000700238&tlng=en
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author André Macedo Serafim Silva
Eliene Dutra Campos
Edmar Zanoteli
author_facet André Macedo Serafim Silva
Eliene Dutra Campos
Edmar Zanoteli
author_sort André Macedo Serafim Silva
collection DOAJ
description ABSTRACT Idiopathic inflammatory myopathies (IIM) are a heterogenous group of treatable myopathies. Patients present mainly to the rheumatologist and neurologists, complaining of acute or subacute onset of proximal weakness. Extramuscular manifestations may occur, including involvement of the lungs, skin, and joints. Classically, the diagnosis used to be made based on the creatine kinase level increase, abnormalities in electroneuromyography and presence of inflammatory infiltrates in the muscle biopsy. Recently, the importance of autoantibodies has increased, and now they may be identified in more than half of IIM patients. The continuous clinicoseropathological improvement in IIM knowledge has changed the way we see these patients and how we classify them. In the past, only polymyositis, dermatomyositis and inclusion body myopathy were described. Currently, immune-mediated necrotizing myopathy, overlap myositis and antisynthetase syndrome have been considered the most common forms of IIM in clinical practice, increasing the spectrum of classification. Patients previously considered to have polymyositis, in fact have these other forms of seropositive IIM. In this article, we reviewed the new concepts of classification, a practical way to make the diagnosis and how to plan the treatment of patients suffering from IIM.
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spelling doaj-art-a567c0cd78f94947a9047aa016ababe22025-08-20T03:19:00ZengThieme Revinter PublicaçõesArquivos de Neuro-Psiquiatria1678-42272022-08-01805 suppl 123824810.1590/0004-282x-anp-2022-s131Inflammatory myopathies: an update for neurologistsAndré Macedo Serafim Silvahttps://orcid.org/0000-0002-5792-5878Eliene Dutra Camposhttps://orcid.org/0000-0002-6167-2105Edmar Zanotelihttps://orcid.org/0000-0002-4991-6760ABSTRACT Idiopathic inflammatory myopathies (IIM) are a heterogenous group of treatable myopathies. Patients present mainly to the rheumatologist and neurologists, complaining of acute or subacute onset of proximal weakness. Extramuscular manifestations may occur, including involvement of the lungs, skin, and joints. Classically, the diagnosis used to be made based on the creatine kinase level increase, abnormalities in electroneuromyography and presence of inflammatory infiltrates in the muscle biopsy. Recently, the importance of autoantibodies has increased, and now they may be identified in more than half of IIM patients. The continuous clinicoseropathological improvement in IIM knowledge has changed the way we see these patients and how we classify them. In the past, only polymyositis, dermatomyositis and inclusion body myopathy were described. Currently, immune-mediated necrotizing myopathy, overlap myositis and antisynthetase syndrome have been considered the most common forms of IIM in clinical practice, increasing the spectrum of classification. Patients previously considered to have polymyositis, in fact have these other forms of seropositive IIM. In this article, we reviewed the new concepts of classification, a practical way to make the diagnosis and how to plan the treatment of patients suffering from IIM.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X2022000700238&tlng=enMyositisDermatomyositisPolymyositisImmune-Mediated Necrotizing Myopathy
spellingShingle André Macedo Serafim Silva
Eliene Dutra Campos
Edmar Zanoteli
Inflammatory myopathies: an update for neurologists
Arquivos de Neuro-Psiquiatria
Myositis
Dermatomyositis
Polymyositis
Immune-Mediated Necrotizing Myopathy
title Inflammatory myopathies: an update for neurologists
title_full Inflammatory myopathies: an update for neurologists
title_fullStr Inflammatory myopathies: an update for neurologists
title_full_unstemmed Inflammatory myopathies: an update for neurologists
title_short Inflammatory myopathies: an update for neurologists
title_sort inflammatory myopathies an update for neurologists
topic Myositis
Dermatomyositis
Polymyositis
Immune-Mediated Necrotizing Myopathy
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X2022000700238&tlng=en
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AT elienedutracampos inflammatorymyopathiesanupdateforneurologists
AT edmarzanoteli inflammatorymyopathiesanupdateforneurologists