[Skip to Navigation]
March 1990

Psoriatic Alopecia

Author Affiliations

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

Arch Dermatol. 1990;126(3):397. doi:10.1001/archderm.1990.01670270129024

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.2First, 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

Add or change institution