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Related Experiment Videos

[Scintigraphic localization of colonic bleeding].

R K Aspevik1, J Miskowiak, M Buò

  • 1Kirurgisk avdeling Rana sykehus 8607 Mo i Rana. ranveigaspevik@hotmail.com

Tidsskrift for Den Norske Laegeforening : Tidsskrift for Praktisk Medicin, Ny Raekke
|October 20, 2001
PubMed
Summary

Scintigraphy successfully located severe gastrointestinal bleeding when other methods failed. Continuous imaging is recommended for precise bleeding focus localization.

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Area of Science:

  • Nuclear Medicine
  • Gastroenterology
  • Diagnostic Imaging

Background:

  • Traditional methods like endoscopy and X-ray studies are often used for gastrointestinal bleeding localization.
  • These conventional diagnostic tools may not always identify the bleeding source effectively.

Observation:

  • A case of severe gastrointestinal bleeding was encountered where standard endoscopic and X-ray evaluations were inconclusive.
  • Continuous scintigraphy using 99m technetium-labeled erythrocytes was performed for 60 minutes, with additional scans at 3, 10, and 23 hours post-injection.

Findings:

  • Initial 60-minute scintigraphy did not reveal bleeding.
  • Within two hours, radioactivity appeared in the right abdomen, and later scans precisely localized the bleeding to the right colon.

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  • Following a right-sided hemicolectomy, the bleeding resolved.

    • Implications:

    • Scintigraphy demonstrates significant value in localizing gastrointestinal bleeding, particularly in challenging cases.
    • Continuous scintigraphic monitoring until localization is achieved is advised.
    • Potential interference from unbound technetium secretion in the stomach and urinary tract must be considered during interpretation.