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Hayashi Y, Ozeki M, Ishizaki S, et al. Inguinal porokeratosis in a Japanese man. Dermatol Pract Concept. 2013;3(4):29-31doi: 10.5826/dpc.0304a06.
Hayashi, Y., Ozeki, M., Ishizaki, S., Fujibayashi, M., Mitsuhashi, Y., Izumi, M., & Tanaka, M. (2013). Inguinal porokeratosis in a Japanese man. Dermatology practical & conceptual, 3(4), 29-31. https://doi.org/10.5826/dpc.0304a06
Hayashi, Yuka, et al. "Inguinal porokeratosis in a Japanese man." Dermatology practical & conceptual vol. 3,4 (2013): 29-31. doi: https://doi.org/10.5826/dpc.0304a06
Hayashi Y, Ozeki M, Ishizaki S, Fujibayashi M, Mitsuhashi Y, Izumi M, Tanaka M. Inguinal porokeratosis in a Japanese man. Dermatol Pract Concept. 2013 Oct 31;3(4):29-31. doi: 10.5826/dpc.0304a06. eCollection 2013. PMID: 24282660; PMCID: PMC3839828.
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Dermatol Pract Concept. 2013 Oct 31;3(4):29-31. doi: 10.5826/dpc.0304a06. eCollection 2013.

Inguinal porokeratosis in a Japanese man.

Dermatology practical & conceptual

Yuka Hayashi, Masahiko Ozeki, Sumiko Ishizaki, Mariko Fujibayashi, Yoshihiko Mitsuhashi, Miki Izumi, Masaru Tanaka

Affiliations

  1. Department of Dermatology, Tokyo Women's Medical University Medical Center East, Tokyo, Japan.

PMID: 24282660 PMCID: PMC3839828 DOI: 10.5826/dpc.0304a06

Abstract

Inguinal and genital porokeratosis are rare but seem to be more common in Asians. We report a case of a 69-year-old Japanese man with multiple lesions of porokeratosis in both inguinal regions. The lesions first appeared in the inguinal region and subsequently spread to the trunk. The patient reported that his father had had similar lesions. Dermoscopy demonstrated central brown pigmentation and blue-gray dots surrounded by a single "white track" at the periphery. The exterior border of the white track also showed light brown pigmentation. Genital or inguinal porokeratosis is uncommon and may be misdiagnosed as Bowen's disease, lichen planus or extramammary Paget's disease. However, awareness of this entity and the use of dermoscopy are helpful to establish a correct diagnosis.

Keywords: dermoscopy; genital; inguinal; porokeratosis

References

  1. J Eur Acad Dermatol Venereol. 2004 Mar;18(2):194-5 - PubMed
  2. Arch Dermatol. 2004 Nov;140(11):1410 - PubMed
  3. Br J Dermatol. 2006 Aug;155(2):325-9 - PubMed

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