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A 67-year-old female asked:

what or where is sphincter of odis? had gallbladder removed 1 mo ago now excruciating pain. had ultrasound dr thinks its the odis sphincter

1 doctor answer2 doctors weighed in
Dr. Mark Kuhnke
General Surgery 40 years experience
Common bile duct: The sphincter of oddi is at the bottom of the common bile duct, which empties into the second portion of the duodenum. It can be a source of discomfort, and the pressure can actually be measured my manometry. I'd back off to a lower fat diet, and recheck your liver fuctions. If this persists, you may require endoscopy for evaluation. Good luck.

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Last updated Sep 15, 2013

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