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General Surgery · Hepatobiliary and pancreatic surgery: biliary dyskinesia
Sample itemA 30-year-old woman has recurrent post-prandial right upper quadrant pain. Ultrasound shows no gallstones, liver tests are normal and endoscopy is normal. A cholecystokinin-stimulated HIDA scan shows a very low gallbladder ejection fraction that reproduces her pain. What is the most appropriate treatment?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Laparoscopic cholecystectomy
Biliary dyskinesia with a low ejection fraction and reproduced symptoms is treated by cholecystectomy after other causes are excluded. A normal duct and normal liver tests make sphincterotomy or bypass unnecessary.
Option by option
A. Endoscopic sphincterotomy
Sphincterotomy treats sphincter of Oddi dysfunction, which is not demonstrated here.
B. Hepaticojejunostomy
Bypass is for strictures and has no role in a normal duct.
C. Laparoscopic cholecystectomy (correct)
Correct. Cholecystectomy relieves symptoms in biliary dyskinesia with an abnormal ejection fraction.
D. Long-term ursodeoxycholic acid
Ursodeoxycholic acid dissolves small cholesterol stones, and none are present.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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