title: Pathologic quiz case: a 15-year-old adolescent boy with a groin mass present for 18 months.
authors.affiliation: Department of Pathology, Brody School of Medicine at East Carolina University, Greenville, NC, USA.
authors.forename: Samantha Berlin
authors.initials: SB
authors.lastname: Wetzler
authors.forename: Greg A
authors.initials: GA
authors.lastname: Gagnon
authors.forename: H James
authors.initials: HJ
authors.lastname: Williams
mesh_terms: D000293:Adolescent; D006119:Groin / Q000473:pathology* / Q000601:surgery; D015618:Histiocytosis, Sinus / Q000175:diagnosis* / Q000601:surgery; D006801:Humans; D008297:Male