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November 17, 2008

Ant-Induced Alopecia: A Case Report and Literature Review

Author Affiliations

Copyright 2008 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.2008

Arch Dermatol. 2008;144(11):1526-1527. doi:10.1001/archderm.144.11.1526

A 35-year-old man was referred to the Dermatology Clinic of Faghihi Hospital, Shiraz, Iran, for evaluation of localized hair loss associated with mild pruritus that occurred overnight. He reported significant amounts of hair and a number of ants on his bed. His personal and family medical history was unremarkable. Dermatologic examination revealed a 3 × 3.5-cm area of hair breakage on the right vertex where the hair seemed to be trimmed to approximately equal length, ie, 1 to 2 mm above the scalp (Figure 1). Several tiny erythematous macules, interpreted as sting points, were noticed on the scalp. No inflammation, scale, twisted hair, or exclamation-mark hairs were present. The remainder of the dermatologic examination was completely within normal limits. The ants (Figure 2) were analyzed and were found to belong to the Pheidole genus.

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