title: Osseous Metaplasia in a Juvenile Rectal Polyp.
authors.affiliation: Department of Cellular Pathology, North Bristol NHS Trust, Bristol, UK.
authors.forename: Harry R
authors.initials: HR
authors.lastname: Haynes
authors.affiliation: Paediatric Gastroenterology, University Hospitals Bristol NHS Foundation Trust, Bristol, UK.
authors.forename: Anthony E
authors.initials: AE
authors.lastname: Wiskin
authors.affiliation: Paediatric Gastroenterology, University Hospitals Bristol NHS Foundation Trust, Bristol, UK.
authors.forename: Dharam
authors.initials: D
authors.lastname: Basude
authors.affiliation: Department of Paediatric Pathology, North Bristol NHS Trust, Bristol, UK.
authors.forename: Elise
authors.initials: E
authors.lastname: Gradhand
mesh_terms: D002648:Child; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D007417:Intestinal Polyps / Q000150:complications / Q000473:pathology*; D008297:Male; D008679:Metaplasia; D009999:Ossification, Heterotopic / Q000150:complications / Q000473:pathology*; D012002:Rectal Diseases / Q000150:complications / Q000473:pathology*; D012007:Rectum / Q000473:pathology