Idiopathic inflammatory myopathies (IIM) are a heterogeneous group of autoimmune diseases characterized by inflammation of skeletal muscle causing proximal weakness. The clinical case describes a 72-year-old male patient with proximal quadriparesis for 3 months, associated with constitutional syndrome. Analyzes with rhabdomyolysis and positive anti-SRP antibody. Biopsy findings compatible with immune-mediated necrotizing myopathy. The complementary study revealed a laryngeal neoplasia. The patient refused treatment and died 6 months after diagnosis.
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Letícia Marques Leite (2024) studied this question.
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