Beyond the blot: diagnostic challenges in atypical dermatomyositis with overlapping myasthenia gravis
Iqbal, Syed Mashood Jayaramu, Veena Ragasankar, Sankar Ram Khan, Sadiya
Iqbal, Syed Mashood
Jayaramu, Veena
Ragasankar, Sankar Ram
Khan, Sadiya
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Affiliation
Queen Elizabeth Hospital Birmingham; Walsall Healthcare NHS Trust; Good Hope Hospital, Birmingham; Aster CMI Hospital, Bangalore
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Publication date
2025-09-11
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Abstract
Dermatomyositis (DM) is a rare autoimmune inflammatory myopathy characterized by both cutaneous and muscular involvement, often associated with specific autoantibodies and systemic manifestations. This case report presents a young male patient in the United Kingdom with DM, who had a negative myositis blot, panel of autoantibodies, and also had features of myasthenia gravis (MG). Despite trials of multiple immunosuppressive therapies, severe dysphagia persisted. This case underscores the diagnostic complexity of autoimmune neuromuscular disorders and the importance of early consideration of overlap syndromes when clinical features deviate from the classical DM phenotype and bulbar involvement is present. In a healthcare setting where patients may present with diverse and complex autoimmune profiles, this case highlights the need for vigilance and early recognition of rare overlaps such as DM and MG, which is crucial for optimizing patient care.
Citation
Iqbal SM, Jayaramu V, Ragasankar SR, Khan S, Dubey V. Beyond the Blot: Diagnostic Challenges in Atypical Dermatomyositis With Overlapping Myasthenia Gravis. Cureus. 2025 Sep 11;17(9):e92072. doi: 10.7759/cureus.92072. PMID: 41080361; PMCID: PMC12515058.
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Article