What is the sensitivity and specificity of hepatobiliary scintigraphy (HBS) in the diagnosis of acute cholecystitis?

Updated: May 20, 2021
  • Author: Alan A Bloom, MD; Chief Editor: BS Anand, MD  more...
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Hepatobiliary scintigraphy (HBS) has been found to be up to 95% accurate in diagnosing acute cholecystitis. The reported sensitivities and specificities of biliary scintigraphy are in the range of 90%-100% and 85%-95%. (See the following two images.)

Cholecystitis. Normal finding on hepatoiminodiacet Cholecystitis. Normal finding on hepatoiminodiacetic acid (HIDA) scan.
Cholecystitis. Abnormal finding on hepatoiminodiac Cholecystitis. Abnormal finding on hepatoiminodiacetic acid (HIDA) scan.

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