68 Ga-Oxine-Labeled Erythrocytes as a New PET Tracer for the Localization of Gastrointestinal Bleeding.
case_report · Level V
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- Record sourced from PubMed, PMID 38109049.
- Also identified by DOI 10.1097/RLU.0000000000005021.
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Abstract
A 69-year-old man presented with recurring drops in hemoglobin levels and suspected gastrointestinal bleeding. Endoscopy did not show a site of bleeding so further examinations became necessary. Scintigraphy and SPECT/CT with 99m TcO 4- -labeled red blood cells were performed without evidence of a hemorrhage. Based on an established protocol for splenic PET/CT, autologous erythrocytes can be labeled with 68 Ga-oxine and used as a tracer for the localization of active bleeding sites. In the patient, PET/CT with 68 Ga-oxine-labeled undamaged erythrocytes was performed successfully and revealed a hemorrhage of the gastric corpus that was confirmed and treated by endoscopy.
Medical subject headings
- Positron Emission Tomography Computed Tomography
- Gastrointestinal Hemorrhage