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Provocative red blood cell scintiscan in occult chronic gastrointestinal hemorrhage
R S Bakalar1, P R Tourigny, E D Silverman
1Division of Nuclear Medicine, National Naval Medical Center, Bethesda, Maryland 20889-5000.
A patient with a chronic occult gastrointestinal bleeding site is described. Because an extensive examination failed to locate the site of bleeding, a heparin infusion was used in conjunction with a conventional Tc-99m labeled red cell bleeding study. A mid-jejunal ulcer was safely localized before elective surgery. A protocol for a heparin provocative bleeding study is proposed.
A patient with a chronic occult gastrointestinal bleeding site is described. Because an extensive examination failed to locate the site of bleeding, a heparin infusion was used in conjunction with a conventional Tc-99m labeled red cell bleeding study. A mid-jejunal ulcer was safely localized before elective surgery. A protocol for a heparin provocative bleeding study is proposed.