title: A 9-month-old girl with an isolated sessile growth on her perineum.
authors.affiliation: Department of Dermatology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA.
authors.forename: Angela Sanfilippo
authors.initials: AS
authors.lastname: Casey
authors.forename: Robin P
authors.initials: RP
authors.lastname: Gehris
mesh_terms: D001004:Anus Diseases / Q000175:diagnosis* / Q000473:pathology; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007223:Infant; D010502:Perineum / Q000473:pathology*