title: Pili annulati: a report of 2 American families.
abstract: Pili annulati (PA) is a rare, benign, autosomal-dominant or sporadic hair shaft disorder characterized by scalp hair with a banded or speckled appearance. We present 2 American families with PA and highlight the characteristic clinical and microscopic features. Among the 2 families, a total of 11 individuals with PA were identified, spanning 3 generations in family 1 and 4 generations in family 2.
authors.affiliation: Division of Dermatology, Departments of Internal Medicine and Pediatrics, Washington University School of Medicine, 660 S Euclid Ave, Campus Box 8123, St Louis, MO 63110, USA.
authors.forename: David R
authors.initials: DR
authors.lastname: Berk
authors.forename: Susan J
authors.initials: SJ
authors.lastname: Bayliss
authors.forename: Kathrin A
authors.initials: KA
authors.lastname: Giehl
mesh_terms: D000328:Adult; D002648:Child; D005260:Female; D006111:Graves Disease / Q000150:complications; D006197:Hair / Q000473:pathology*; D006201:Hair Diseases / Q000150:complications / Q000235:genetics* / Q000473:pathology*; D018859:Hair Follicle / Q000002:abnormalities / Q000473:pathology; D006801:Humans; D007039:Hypotrichosis / Q000150:complications; D008297:Male; D010375:Pedigree