Figure 1: (a) Tense blisters suggestive of bullous pemphigoid on the right lower legs of a 90-year-old man. (b) Many well-defined vegetative plaques accompanied by erosions on the lateral thighs and buttocks developed 16 months after the initial presentation of tense bullae, which was consistent with pemphigoid vegetans. (c) Close-up photo of the vegetative plaques on the left lateral thigh. (d) Clearing of the plaques on the left lateral thigh after administration of rituximab.