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Multiple myeloma presenting with musculoskeletal manifestations: a case report

Multiple myeloma (MM) is a malignant plasma cell disorder. Musculoskeletal and skin manifestations of this disorder are rare. Here we report a case of a young male patient presenting with polyarthritis and skin rash resembling vasculitis. Detailed investigations revealed that he was suffering from multiple myeloma in which arthritis was a musculoskeletal complication of the disease.