Figure 1: (a) Erythematous plaques accompanied with hairless patches in the area involved on the scalp. (b) A punch biopsy taken from the plaque demonstrating typical changes for pemphigus vulgaris, involving the epidermis and the hair follicle. (c) Direct immunofluorescence showing sedimentation of immunoglobulin G autoantibodies in the intercellular spaces within the epidermal layer of the scalp