Spontaneous pneumomediastinum: An extra muscular manifestation of anti-MDA5 dermatomyositis. Report of 2 cases

The use of specific antibodies in inflammatory myopathies has improved the characterization of this disease, identifying different clinical phenotypes. Patients with dermatomyositis (DM) and anti-MDA5 antibodies display typical skin symptoms, lesser muscular involvement, and a prevalence of intersti...

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Published in:Reumatología clinica (Barcelona) Vol. 20; no. 4; pp. 218 - 222
Main Authors: Arango Guerra, Pablo, Monsalve Yepes, Santiago, Chavarriaga Restrepo, Andrés, Velasquez Franco, Carlos Jaime
Format: Journal Article
Language:English
Published: Spain Elsevier España, S.L.U 01-04-2024
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Summary:The use of specific antibodies in inflammatory myopathies has improved the characterization of this disease, identifying different clinical phenotypes. Patients with dermatomyositis (DM) and anti-MDA5 antibodies display typical skin symptoms, lesser muscular involvement, and a prevalence of interstitial lung disease (ILD) of up to 91%. Beyond ILD, spontaneous pneumomediastinum (SN) has been identified as a rare but potentially fatal pulmonary manifestation. Two cases of this complication in patients with anti-MDA5 DM are reported. El uso de anticuerpos específicos en miopatías inflamatorias ha mejorado la caracterización de esta enfermedad identificando distintos fenotipos clínicos. Los pacientes con dermatomiositis (DM) y anticuerpos anti MDA5 muestran síntomas típicos en piel, menor compromiso muscular y una prevalencia de enfermedad pulmonar intersticial (EPI) de hasta el 91%. Además de la EPI, se ha identificado el neumomediastino espontáneo (NE) como una manifestación pulmonar rara pero potencialmente mortal. Se reportan 2 casos de esta manifestación en pacientes con DM anti MDA5.
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ISSN:2173-5743
2173-5743
DOI:10.1016/j.reumae.2024.04.002