A member asked:

17 y/o gallbladder not shwoing up on hida scan after 2 hours. going back in another 2 hrs to see if shows up. why would it take so long to show?

4 doctors weighed in across 2 answers
Dr. Johnny Green answered

Specializes in Colon and Rectal Surgery

Duct is blocked: Normally the gallbladder shows up in only a few minutes. Not showing up after 2 hours suggests the duct to the gallbladder is blocked, not allowing the tracer to enter the gallbladder.

Answered 7/31/2017

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HIDA...: If tracer is visualized in the bowel at 1 hour of imaging but gallbladder is not visualized, there are two options. First is to give morphine which causes contraction of sphincter of oddi ; speeds up study so that imaging is only performed for an additional 30 min. Alternatively, the old-school method is to image up to 4 hours. If gallbladder is not seen at 4 hours --> cystic duct obstruction.

Answered 7/31/2017

4.7k views

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