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Related Experiment Videos

Indium-111-leukocyte imaging in acute cholecystitis.

D Fink-Bennett1, K Clarke, D Tsai

  • 1Nuclear Medicine Department, William Beaumont Hospital, Royal Oak, Michigan 48073-6769.

Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine
|May 1, 1991
PubMed
Summary

This study found that both technetium-99m-iminodiacetic derivative (IDA) and indium-111-white blood cell (WBC) imaging accurately detect acute cholecystitis. Indium-111-WBC imaging shows inflammatory infiltrate, offering a valuable diagnostic alternative.

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Area of Science:

  • Nuclear Medicine
  • Diagnostic Imaging
  • Gastroenterology

Background:

  • Acute cholecystitis diagnosis often relies on technetium-99m-iminodiacetic derivative (IDA) scintigraphy.
  • Alternative imaging methods are being explored for improved accuracy and specificity.

Purpose of the Study:

  • To evaluate the efficacy of sequential indium-111-white blood cell (WBC) and 99mTc-IDA imaging in diagnosing acute cholecystitis.
  • To determine if 111In-WBCs accumulate in inflamed gallbladder walls, serving as an alternative to 99mTc-IDA.

Main Methods:

  • Sequential scintigraphy using 99mTc-IDA and 111In-WBC was performed on eleven patients with suspected acute cholecystitis.
  • Surgical confirmation was used to validate imaging findings.

Main Results:

Related Experiment Videos

  • Both 99mTc-IDA and 111In-WBC scintigraphy demonstrated high accuracy in detecting acute cholecystitis (86% sensitivity, 100% specificity).
  • 99mTc-IDA identified cystic duct obstruction, while 111In-WBC imaging detected inflammatory infiltration in the gallbladder wall.
  • One patient had a false-negative 99mTc-IDA scan but a true-positive 111In-WBC scan.

Conclusions:

  • Both 111In-WBC and 99mTc-IDA scintigraphy are accurate methods for diagnosing acute cholecystitis.
  • 111In-WBC imaging provides complementary information by visualizing inflammatory infiltrates, potentially serving as a reliable alternative in specific cases.