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Scintigraphy of gastrointestinal hemorrhage: superiority of /sup 99m/Tc red blood cells over /sup 99m/Tc sulfur colloid

Journal Article · · AJR, Am. J. Roentgenol.; (United States)
; ; ; ; ; ; ; ; ;
The relative efficacy of /sup 99m/Tc sulfur colloid and in vitro-labeled /sup 99m/Tc red blood cells in detecting and localizing gastrointestinal hemorrhage was evaluated in a prospective tandem study of 100 patients referred for suspicion of gastrointestinal tract hemorrhage. Thirty-eight true-positive scintigrams were obtained with /sup 99m/Tc red blood cells, whereas /sup 99cm/Tc sulfur colloid detected only five sites of hemorrhage. Scintigraphic findings were corroborated by clinical, endoscopic, arteriographic, and surgical findings. /sup 9m/Tc red blood cells were clearly superior, with a sensitivity of 93%, specificity of 95%, and overall accuracy of 94% in detecting and localizing gastrointestinal hemorrhage.
Research Organization:
Brooke Army Medical Center, San Antonio, TX
OSTI ID:
6355302
Journal Information:
AJR, Am. J. Roentgenol.; (United States), Journal Name: AJR, Am. J. Roentgenol.; (United States) Vol. 143:3; ISSN AAJRD
Country of Publication:
United States
Language:
English

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Related Subjects

550601* -- Medicine-- Unsealed Radionuclides in Diagnostics
62 RADIOLOGY AND NUCLEAR MEDICINE
ACCURACY
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BIOLOGICAL MATERIALS
BLOOD
BLOOD CELLS
BODY FLUIDS
COLLOIDS
COUNTING TECHNIQUES
DIAGNOSIS
DIAGNOSTIC TECHNIQUES
DIGESTIVE SYSTEM
DISPERSIONS
ERYTHROCYTES
GASTROINTESTINAL TRACT
HEMORRHAGE
HOURS LIVING RADIOISOTOPES
INTERMEDIATE MASS NUCLEI
ISOMERIC NUCLEI
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
MATERIALS
NUCLEI
ODD-EVEN NUCLEI
PATHOLOGICAL CHANGES
RADIOCOLLOIDS
RADIOISOTOPE SCANNING
RADIOISOTOPES
SCINTISCANNING
SYMPTOMS
TECHNETIUM 99
TECHNETIUM ISOTOPES
YEARS LIVING RADIOISOTOPES