Gottron papules' seen in dermatomyositis all are true except: (A) seen on knuckles, (B) Violaceous papules, (C) Bullous lesions, (D) Seen in 1/3 of patients
Answer is C. 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