Hair follicle nevus - A dermoscopic approach

Junna Okada, Yoichi Moroi, Jun Tsujita, Masakazu Takahara, Kazunori Urabe, Hiromaro Kiryu, Masutaka Furue

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Abstract

We report the case of a 26-year-old man who presented with small soft nodules with tiny hairs that had been present on his nose since childhood. The nodules were initially diagnosed as melanocytic nevi. However, dermoscopy showed many uniform hair follicles and an interfollicular 'pseudo-pigment network' in the nodules. Histologically, many well-differentiated hair follicles and sebaceous glands were seen in the dermis. Serial sectioning revealed neither central cysts nor a central canal. We therefore diagnosed this case as hair follicle nevus. Dermoscopy is now widely used as a non-invasive, in vivo technique for the diagnosis of pigmented skin lesions. Hair follicle nevus is a very rare disease and this is the first report to demonstrate the manifestation of this clinical entity by dermoscopy.

Original languageEnglish
Pages (from-to)185-187
Number of pages3
JournalEuropean Journal of Dermatology
Volume18
Issue number2
DOIs
Publication statusPublished - Mar 1 2008

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All Science Journal Classification (ASJC) codes

  • Dermatology

Cite this

Okada, J., Moroi, Y., Tsujita, J., Takahara, M., Urabe, K., Kiryu, H., & Furue, M. (2008). Hair follicle nevus - A dermoscopic approach. European Journal of Dermatology, 18(2), 185-187. https://doi.org/10.1684/ejd.2008.0358