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Journal of the American Academy of Dermatology
Volume 68, n° 3
pages 473-481 (mars 2013)
Doi : 10.1016/j.jaad.2012.06.041

Dermatoscopy of hair shaft disorders

Mariya Miteva, MD , Antonella Tosti, MD
Department of Dermatology and Cutaneous Surgery, University of Miami L. Miller School of Medicine, Miami, Florida 

Reprint requests: Mariya Miteva, MD, University of Miami L. Miller School of Medicine, 1600 NW 10th Ave, RSMB, Room 2023A, Miami, FL 33136.

Until a few years ago the diagnosis of hair shaft disorders was based on light microscopy or scanning electron microscopy on plucked or cut samples of hair. Dermatoscopy is a new fast, noninvasive, and cost-efficient technique for easy in-office diagnosis of all hair shaft abnormalities including conditions such as pili trianguli and canaliculi that are not recognizable by examining hair shafts under the light microscope. It can also be used to identify disease limited to the eyebrows or eyelashes. Dermatoscopy allows for fast examination of the entire scalp and is very helpful to identify the affected hair shafts when the disease is focal.

The full text of this article is available in PDF format.

Key words : congenital hair loss, dermatoscopy, dermoscopy, genetic hair loss, hair shaft, hair shaft abnormalities, trichoscopy, videodermatoscopy

 Funding sources: None.
 Conflicts of interest: None declared.

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