*H&P: Autoimmune disease against skin basement membrane. More common than pemphigus vulgaris. Age > 60 (median 80). Large, tense, bullae and erythematous patches. - Nikolsky sign. | *H&P: Autoimmune disease against skin basement membrane. More common than pemphigus vulgaris. Age > 60 (median 80). Large, tense, bullae and erythematous patches. - Nikolsky sign. |