We recently observed and studied a case of psoriasis in which vesicles and bullae as well as papulosquamous lesions made up the eruption. After watching the case, it was apparent that the vesicular and bullous elements were not coincidental but actually part of the psoriatic eruption. There were no pustular lesions. The extreme rarity of the condition is, we believe, sufficient reason for reporting this case.
REPORT OF CASE
History.—G. S., a 10 year old boy born in the United States, was admitted to the dermatologic clinic of the Beth Israel Hospital in December 1933, complaining of a cutaneous eruption. The family history was essentially irrelevant. In early childhood the boy had had pertussis, chickenpox and measles.
The condition developed in August 1933 with the appearance of a circinate lesion on the anterior surface of each thigh. The mother thought the lesions were "ringworm" sores and treated them