1 MCQs in Dermatology for NEET PG
A 52-year-old woman presents with symmetric proximal muscle weakness and erythematous flat-topped papules over the dorsal surfaces of her knuckles, elbows, and knees. The lesions marked **D** in the diagram are noted to spare the interphalangeal skin. Serum CK is elevated at 1800 IU/L. Which of the following pathogenic mechanisms best explains the cutaneous manifestations in this patient's condition?
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