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Psoriasis with Köbner Phenomenon Following Ultraviolet Irradiation. Presented by Dr. Donald M. Pillsbury and Dr. Robert Lofgren (by invitation).
C. G., a white man aged 38, presents a scattered erythematous scaling papular dermatosis on the trunk, extremities, chest, scalp, eyebrows, upper lip, glans penis and foreskin, with plaques and patches of the dermatosis on the legs, elbows and back. On removal of the scales, minute bleeding points are seen. On the middle portion of the back, extending down to the level of the top of a man's shorts and ending in a sharply marginated border, there is a diffuse scaling patch of confluent erythematous papules. There are numerous small yellow puncta of Fordyce's disease on the buccal mucosa and on the lips. The patient first noticed scaling patches on both elbows about ten years ago. These have been present continuously. About four months ago, at about the same time that
Beerman H, Pillsbury DM. PHILADELPHIA DERMATOLOGICAL SOCIETY. Arch Derm Syphilol. 1941;44(1):123–128. doi:10.1001/archderm.1941.01500010126024