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To the Editor.—
Hidradenitis suppurativa is a chronic, progressive disease with substantial morbidity that occurs chiefly in young adults and is topographically limited to the apocrine gland-bearing areas of the body. The usual sites of involvement are the axillae, perineum, buttocks, breasts, and umbilicus. However, it occasionally occurs in areas where apocrine glands are considered ectopic, such as the face and the eyelids (Arch Ophthalmol 77:635,1967). There have been few reports in the literature concerning hidradenitis suppurativa in ectopic or unusual sites. In the following case, the patient had extensive hidradenitis suppurativa of the axillae, groin, and buttocks, as well as involvement of the right temporal and periorbital areas.
Report of a Case
A 57-year-old white man was institutionalized in a state mental hospital at the age of 22 with a diagnosis of chronic schizophrenia, simple type. He has remained in the institution for the past 35 years. He apparently