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Journal of the American Academy of Dermatology
Volume 54, n° 6
pages 1046-1049 (juin 2006)
Doi : 10.1016/j.jaad.2006.02.029

Infantile perineal protrusion

Amor Khachemoune, MD, CWS a, , Kjetil Kristoffer Guldbakke, MD b, Eric Ehrsam, MD c
a From the Department of Dermatology, State University of New York Downstate Medical Center 
b International Training Program at Harvard Medical School, Boston 
c private practice, Le Cateau, France 

Reprint requests: Amor Khachemoune, MD, CWS, Department of Dermatology, State University of New York Downstate Medical Center, Box 46, 450 Clarkson Ave, Brooklyn, NY 11203.

Brooklyn, New York; Boston, Massachusetts; and Le Cateau, France


Infantile perineal protrusion, a relatively newly recognized condition, is underreported in both the dermatologic and pediatric literature. The name “infantile perineal protrusion” has evolved based on the typical anatomic location, morphologic features, and prevalence in prepubertal children. It occurs in 3 settings: constitutional (sometimes genetic or familial); functional (after constipation, diarrhea, or other irritant exposure); or associated with lichen sclerosus et atrophicus. Recognition of infantile perineal protrusion by dermatologists and pediatricians has many implications regarding proper diagnosis and management. The condition may be mistaken for condyloma acuminata or as a sign of trauma, leading to an erroneous investigation of sexual abuse. In this article, we report two new cases and make a thorough review of the literature to elucidate the mechanisms, diagnosis, classification, and management to clarify this often misdiagnosed condition.

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

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

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