Cholescintigraphy is a test done by nuclear medicine physicians to diagnose obstruction of the bile ducts for example by a gallstone or a tumor disease of the gallbladder and bile leaks it sometimes is referred to as a hida scan or a gallbladder scan for cholescintigraphy a radioactive . Nuclear medicine hepatobiliary imaging cholescintigraphy multiple radiological eg ct magnetic resonance imaging mrcp and endoscopic eg eus ercp tech niques exist for anatomic hepatobiliary imaging for the most part these techniques provide detailed morpholog ical characterization of hepatobiliary structures but do not. Cholescintigraphy also known as a hepatobiliary imino diacetic acid hida scan or gallbladder scan is a nuclear medicine test used to diagnose obstruction of the bile ducts eg by a gallstone or a tumor gallbladder disease and bile leaks cholecystokinin cck is a useful diagnostic adjunct to cholescintigraphy. Cholescintigraphy is highly sensitive and specific for detecting biliary leak nonbile fluid collections are common after surgery and can significantly limit the specificity of anatomic studies in cases of a post cholecystectomy bile leak cholescintigraphy can demonstrate accumulation of activity in the gallbladder fossa with progressive activity in dependent regions commonly the right
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