hepatobiliary imaging (Tc-HIDA)

The hepatobiliary scan (Tc-99m DISIDA or MBF) is the initial procedure of choice to diagnose acute cholecystitis.

Sensitivity . . . . . . . . . . . . . . . . . . . . . 95%
False negatives:
- acalculous cholecystitis
Specificity . . . . . . . . . . . . . . . . . . . . . 95%
False positives:
- non-fasting state
- alcoholism
- parenteral nutrition (TPN)
- acute pancreatitis
- recent narcotic use
- hepatocellular disease

Charles E. Kahn, Jr., MD - 2 February 1995
Last updated: 1 October 2013