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June 1958

Twisted Hairs (Pili Torti): A Pediatric Entity

Author Affiliations

From the Department of Pediatrics, Wayne State University College of Medicine, and the Children's Hospital of Michigan.

AMA Am J Dis Child. 1958;95(6):612-615. doi:10.1001/archpedi.1958.02060050616004

A rare congenital anomaly of the hair, occurring exclusively in the pediatric age group, has hitherto been regarded as solely within the province of the dermatologist. Although a definite clinical entity of childhood, it has received no precise description in pediatric periodicals or textbooks. This interesting anomaly of the hair, which is characterized by a twisting of each hair through 180 degrees along its long axis, is represented by less than 40 cases reported in the dermatologic literature. Additional cases would perhaps be reported were the clinical picture of the condition better known among those more immediately concerned with infants and children. Were pediatricians alert to the condition, a more accurate assessment of its frequency could be achieved. A case of pili torti from my private practice is herewith recorded in order to fulfill this desideratum.

Pili torti, the name of this rare malformation of the hair, in which tortuosities