Bullous urticardia pigmentosa.

Abstract

Nickel's¹authoritative article on urticaria pigmentosa published in 1957 includes a brief description of bullous urticaria pigmentosa. T. C. Fox²first reported the development of bullous lesions in urticaria pigmentosa in 1883. He described the presence of "distinct blisters, large watery scales or vessicated summits" and reported followup observations on 3 cases of urticaria pigmentosa previously documented by Tilbury Fox. Waters and Lacson³reported a case of bullous urticaria pigmentosa in a boy, 5 years old, in which mast-cell leukemia presented itself as urticaria pigmentosa. Examination of this patient revealed a generalized eruption with erythema, vesicles, excoriations, crusting, and urticarial wheals. Kaminsky, Daitsch and Abulafia⁴described the presence of a solitary lesion of urticaria pigmentosa in a 1-year-old boy. The lesion, located on the upper thigh, was the site of localized dermographism and of the development of spontaneous blisters on several occasions. During the past 3