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Juvenile Dermatomyositis Triggered by Influenza B: A Case Report on Viral‐Induced Autoimmunity

Year: 2025

Type: article

Abstract: A previously healthy 13-year-old boy developed juvenile dermatomyositis (JDM) shortly after a confirmed influenza B infection, presenting with progressive proximal muscle weakness and classic cutaneous findings. Laboratory tests revealed elevated muscle enzymes and myositis-specific autoantibodies, supporting the diagnosis. The temporal association suggests a potential post-viral autoimmune trigger, highlighting influenza B as a possible environmental factor in JDM pathogenesis. This case reinforces the need for heightened clinical awareness and further research into virus-associated autoimmune mechanisms in pediatric myopathies.

Source: Pediatric Dermatology

DOI: 10.1111/pde.15975

Authors: Santiago Dans‐Caballero, Miguel Juan‐Cencerrado, Carmen Mochón‐Jiménez, Rosa Roldán‐Molina, Verónica C. Pérez‐Guijo

Institutions: Instituto Maimónides de Investigación Biomédica de Córdoba, Hospital Universitario Reina Sofía, University of Córdoba

Language: English

Topic: Inflammatory Myopathies and Dermatomyositis

Subfield: Epidemiology

Field: Medicine

Domain: Health Sciences

SDG: Good health and well-being

Open Access status: hybrid

Estimated APC paid: $3,920