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What is Gottron papules' seen in dermatomyositis all are true except and explain in detail?
Gottrons papules are violaceous papules on bony prominences of hands , elbows, knees and feet. present in 1/3of patients. gottrons sign presence of symmetric violaceous or erythematous macules in same distribution as that of gottrons papules. IADVL textbook of dermatology page 1248