In pili torti, the affected hair shaft is flattened and twisted through 180 degrees on its own axis. The involved hairs are dry, thin, brittle, and break off easily. Congenital pili torti may occur as an isolated phenomenon or may occur in
association
with other abnormalities. Acquired pili torti is usually associated with some sort of scarring process in the scalp itself.
We present a case of congenital pili torti without any other abnormalities in a 14 year-old female. The pedigree of her family was consistent with the inheritance of congenital pili torti as an autosomal dominant trait. (Kor J Dermatol 1995;33(5)
:
998~1001)
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