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October 1983

Malassezia (Pityrosporum) Folliculitis Occurring With Granuloma Annulare and Alopecia Areata

Author Affiliations


From the Department of Dermatology, National Naval Medical Center, Bethesda, Md. Dr Johnson is now in private practice in Gaithersburg, Md.

Arch Dermatol. 1983;119(10):869-871. doi:10.1001/archderm.1983.01650340079023

Pityrosporum folliculitis has been described infrequently in the English language literature,1-3 and, to our knowledge, has not been reported in association with other dermatologic disease. We recently encountered a patient with the clinicohistopathologic features of this entity occurring simultaneously with granuloma annulare and alopecia areata. We prefer the term Malassezia folliculitis, since in its most recent manual the American Society for Microbiology states that "Malassezia furfur is now considered to be the valid name under which both Pityrosporum ovale and P orbiculare are combined."4-5

Report of a Case  A 35-year-old man was seen in the dermatology department of the National Naval Medical Center in March 1981, with complaints of hair loss and an eruption on his back and chest, both of two-months' duration. The lesions on his back and chest were occasionally pruritic. His medical history was unremarkable and he was receiving no medications.Examination of the patient

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