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Hair CastsA Clinical and Morphologic Study
Alain Taïeb, MD;
Jean Etienne Surlève-Bazeille;
Jean Maleville, MD
Arch Dermatol. 1985;121(8):1009-1013.
Abstract
• Idiopathic hair casts are described in two girls aged 5 and 7 years. A 0.025% tretinoin lotion seemed effective in removing the casts. Investigations, including light microscopy and transmission electron microscopy, suggest an infrainfundibular origin for these lesions, because both inner and outer root sheath components were observed in the transverse sections of the casts. A comprehensive review of the literature enabled us to classify the patients into two distinct groups: group 1 consisted of patients with idiopathic disease, showing a diffuse pattern of involvement, and group 2 consisted of patients with disease secondary to a variety of inflammatory scalp disorders.
(Arch Dermatol 1985;121:1009-1013)
Author Affiliations
From the Department of Pediatric Dermatology, Hôpital des Enfants (Drs Taïeb and Maleville); and the Department of Electron Microscopy, University of Bordeaux (Mr Surlève-Bazeille), Bordeaux, France.
Footnotes
Accepted for publication Feb 22, 1985.
Read in part before the 11th annual meeting of the Society for Cutaneous Ultrastructure Research, Helsinki, June 17, 1984.
Reprint requests to Department of Pediatric Dermatology, Hôpital des Enfants, 168 Cours de l'Argonne, 33077 Bordeaux-Cédex, France (Dr Taïeb).
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