title: Unusual scintigraphic presentation of a shifting Meckel's diverticulum.
abstract: A Tc-99m red blood cell (RBC) study in a child with acute gastrointestinal bleeding of unknown origin suggested Meckel's diverticulum because of free pertechnetate uptake in the ectopic gastric mucosa. This finding has not been reported in the literature. A scan with Tc-99m pertechnetate then demonstrated a focal area of uptake with an unusual pattern of abdominal shifting consistent with a Meckel's diverticulum. A large Meckel's diverticulum containing gastric mucosa was found at surgery. A shifting pattern of focal uptake on a meckelogram study should be included among the diagnostic criteria for Meckel's diverticulum.
authors.forename: S T
authors.initials: ST
authors.lastname: Zwas
authors.forename: A
authors.initials: A
authors.lastname: Czerniak
authors.forename: I
authors.initials: I
authors.lastname: Wolfstein
mesh_terms: D002675:Child, Preschool; D004912:Erythrocytes; D005753:Gastric Mucosa / Q000000981:diagnostic imaging; D006471:Gastrointestinal Hemorrhage / Q000000981:diagnostic imaging / Q000209:etiology; D006801:Humans; D008297:Male; D008467:Meckel Diverticulum / Q000150:complications / Q000000981:diagnostic imaging*; D011877:Radionuclide Imaging; D012007:Rectum; D013670:Sodium Pertechnetate Tc 99m
chemical_list: D013670:Sodium Pertechnetate Tc 99m