To the Editor.—
"Summertime pityriasis of the elbows and knees of children" is a well-described entity that has alternatively been referred to as "frictional lichenoid eruption in children"1 and "summer lichenoid dermatitis of the elbows of children."2 All previously described patients have been children or teenagers, but to our knowledge, this disease has not yet been described in adults. The recent observation of a young man with this entity prompted this brief communication.
Report of a Case.—
In April 1974, a 27-year-old white man was seen at the Dermatology Clinic with a mildly pruritic eruption of the elbows of several weeks' duration.Clinical examination revealed multiple 1 to 2-mm whitish milia-like papules with superficial scaling on the posterior aspect of both elbows (Figure). The left elbow was more extensively involved than the right. The knees were free of lesions.A similar eruption had appeared every spring since childhood,
Holzwanger JM, Rudolph RI. Summertime Pityriasis of the Elbows in an Adult. Arch Dermatol. 1974;110(4):639. doi:10.1001/archderm.1974.01630100087033
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