[Skip to Content]
Access to paid content on this site is currently suspended due to excessive activity being detected from your IP address 54.205.19.31. Please contact the publisher to request reinstatement.
[Skip to Content Landing]
Article
October 1997

'Tiger Tail' Pattern on Polarized Hair Microscopic Examination Is Found in Healthy Infants

Author Affiliations

Department of Dermatology Bristol Royal Infirmary Bristol BS2 8HW, England

Arch Dermatol. 1997;133(10):1313. doi:10.1001/archderm.1997.03890460139023
Abstract

In the February issue of the Archives, Brusasco et al1 reported a case of trichothiodystrophy in which findings of hair microscopic examinations changed in the first month of life, with the development of the "tiger tail" appearance on polarized light microscopic examination. The authors make several points that would be helpful to put in a more general context.

Although the tiger tail appearance may suggest a hair disorder, it is a relatively common finding in the hair of healthy infants and those with no specific disease.2 Conversely, it is not seen in neonates, as demonstrated in a recent study3 where 20 premature newborns (mean gestational age, 36 weeks) underwent regular and polarized transmitted light microscopic examinations of cut and plucked hair samples from the parietal scalp. These samples revealed markedly homogeneous characteristics on polarized light microscopic examination, with hairs demonstrating a gold, blue, or brown hue, with

First Page Preview View Large
First page PDF preview
First page PDF preview
×