title: Diagnosis of intestinal duplication by 99Tcm-pertechnetate scanning.
abstract: A case is described of a 19-month-old boy who presented with melaena. Intestinal duplication was diagnosed by 99Tcm-pertechnetate scanning and was confirmed at operation 2 years later, when the child was admitted with intestinal perforation. The technique is a reliable, non-invasive method for diagnosing ectopic gastric mucosa and is recommended in all cases of unexplained rectal bleeding in children.
mesh_terms: D002828:Choristoma / Q000175:diagnosis; D005753:Gastric Mucosa; D006471:Gastrointestinal Hemorrhage; D006801:Humans; D007223:Infant; D007414:Intestinal Neoplasms / Q000175:diagnosis; D007422:Intestines / Q000002:abnormalities* / Q000000981:diagnostic imaging; D008297:Male; D011877:Radionuclide Imaging; D012007:Rectum; D013667:Technetium
chemical_list: D013667:Technetium