title: Photo quiz: An unexpected colonoscopic finding in a 13-year-old boy.
authors.affiliation: Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, Indianapolis, Indiana, USA rrelich@iupui.edu.
authors.forename: Ryan F
authors.initials: RF
authors.lastname: Relich
authors.affiliation: Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, Indianapolis, Indiana, USA.
authors.forename: Phillip R
authors.initials: PR
authors.lastname: Faught
authors.affiliation: Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, Indianapolis, Indiana, USA.
authors.forename: Morgan H
authors.initials: MH
authors.lastname: McCoy
authors.affiliation: Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, Indianapolis, Indiana, USA.
authors.forename: Riley E
authors.initials: RE
authors.lastname: Alexander
authors.affiliation: Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota, USA.
authors.forename: Bobbi S
authors.initials: BS
authors.lastname: Pritt
mesh_terms: D000293:Adolescent; D003106:Colon / Q000469:parasitology / Q000473:pathology; D003113:Colonoscopy; D006373:Helminthiasis / Q000175:diagnosis* / Q000473:pathology*; D006651:Histocytochemistry; D006801:Humans; D007411:Intestinal Diseases, Parasitic / Q000175:diagnosis* / Q000473:pathology*; D008297:Male; D008853:Microscopy; D012002:Rectal Diseases / Q000175:diagnosis*