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Sam Shuster, FRCP
University Department of Dermatology The Royal Victoria Infirmary Newcastle Upon Tyne NE14LP, England

Arch Dermatol. 1990;126(3):397.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

To the Editor.—

Since my article on psoriatic alopecia¹ could be ambiguous unless read with care, I write to correct its misquotation by Headington et al.²

First, I found hair loss in patches of psoriasis on the trunk and limbs. Second, I observed three types of psoriatic alopecia on the scalp: (1) The most common was hair loss confined to the lesions, which was due to dystrophic anagen follicles that produced fine hair. I published the evidence for this, with photographs of dystrophic follicles and the frequency distribution of hair thickness in scalp lesions. (2) I found an acute hair fall that was not confined to the lesions and that was a telogen effluvium occurring mostly with severe psoriasis. (3) Finally, and surprisingly, I also found a destructive alopecia, although this was the least common. Biopsy showed paucity of follicles and perifollicular inflammation. I therefore wrote that "the . . . [Full Text PDF of this Article]

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