Teaching Points
- Plain abdominal radiography has no place in suspected acute cholecystitis
- Ultrasound is highly accurate in the diagnosis of acute cholecystitis, particularly if the signs of gallbladder wall thickening/oedema, pericholecystic fluid, gallstones and positive ultrasonic Murphy's sign are all present
- Negative or technically unsatisfactory ultrasound with continuing high clinical suspicion of acute cholecystitis sholud be followed by Tc-HIDA nuclear medicine scan
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