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Am J Dermatopathol. 2008 Aug;30(4):377-80. doi: 10.1097/DAD.0b013e318172e4ad.

Eruptive syringoma developed over a waxing skin area.

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Departmento de Anatomía Patológica, Hospital Universitario 12 de Octubre, Madrid, Spain.


Syringomas are benign, eccrine, sweat gland tumors that clinically appear as small skin-colored or yellow papules. Eruptive syringomas are rare variants that typically develop on the body's cutaneous anterior surface. Syringomas on the genital area have rarely been reported, although several authors maintain that syringoma should be considered in the differential diagnosis of pubic pruritic papular dermatitis. We present a case of a 31-year-old man with multiple, eruptive, asymptomatic papules involving the pubic area developed after waxing of the zone. Histological examination revealed disseminated syringomata. We postulate that the lesions were induced by depilation with a subsequently reactive inflammatory process resulting in a hyperplastic reaction of the eccrine ducts. This case supports the previous hypothesis suggesting that some of the so-called "eruptive syringomas" may start as a primary inflammatory eccrine reaction.

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