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Article
May 1941

PILI TORTI: REPORT OF A CASE

Author Affiliations

CINCINNATI

From the Department of Dermatology and Syphilology, Cincinnati General Hospital, Elmore B. Tauber, M.D., Director of Service.

Arch Derm Syphilol. 1941;43(5):836-838. doi:10.1001/archderm.1941.01490230076011
Abstract

Pili torti is a rare anomaly of the hair which is characterized by a twisting of each hair through 180 degrees along its long axis, giving each hair the appearance of a corkscrew. The tortuosities may be tightly or loosely bound and may be at varying distances from each other. The hairs are sparse, unkempt, dull and fragile. The fragility and brittleness usually result in a partial alopecia over the occiput, where pressure occurs.

Danforth1 described the condition of pili torti and mentioned that this twisting characteristic of hair had been much neglected by previous authors. Ronchese in 19322 reported a case of pili torti and the following year3 mentioned 2 cases which appeared in the same family. He attempted to show a hereditary tendency in these cases, but the family history was indefinite. He attributed the lack of written matter on this subject to the rarity

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