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An Unusual Cause of Hair Loss
Solveig E. Rapp, MD
Groote Schuur Hospital–University of Cape Town, Cape Town,
South Africa
Arch Dermatol. 2002;138:259-264.
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REPORT OF A CASE
A 27-year-old white male medical student presented with a 1-month history
of patches of hair loss on his right shin. There were no similar lesions elsewhere
on his body. He denied trauma or any application of topical agents, and in
general he felt well.
According to his medical history, he had allergic rhinitis and urticaria
as a child. There is a family history of atopy; his mother has asthma; and
his sister and brother have allergic rhinitis.
On physical examination, 3 large patches of hair loss with visible black
dots and broken-off hairs were observed on the right upper anterior shin area
(Figure 1). The skin in these areas
felt like sandpaper on palpation. There were no exclamation point hairs. The
rest of the skin, nails, and hair were normal. There was no lymphadenopathy,
and examination of his heart, lungs, and abdomen revealed no . . . [Full Text of this Article]
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