Figure 1.

Clinical and histopathological features at the first visit and at the time of relapse. (a–e) Clinical features of blisters, erosions, and erythema on the forehead (a), shoulder (b), and upper arms (c) at the first visit, and those on the face (d), and lower lip (e) at the time of relapse. (f, g) Histopathology of the skin biopsy from the forehead at the time of relapse showing subepidermal blisters with infiltration of neutrophils in the blister and dermis [original magnifications; (f) ×40 and (g) ×200].