Please Clarify: The sphincter of oddi is a normal anatomic structure at the point where the bile duct enters the intestine (see duodenal papilla on pic above). Dysfunction of the sphincter, though very rare, can simulate gallbladder-type pain & is a possible explanation for ongoing pain despite gb removal. This can be diagnosed by endoscopic testing & treated by cutting the sphincter.
Answered 3/29/2020
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