Canadian Medical Guide > Analytical, Diagnostic and Therapeutic Techniques and Equipment > Surgical Procedures, Operative > Digestive System Surgical Procedures > Biliary Tract Surgical Procedures > Sphincterotomy, Endoscopic Terms and Definitions

Sphincterotomy, Endoscopic

Medical Definition:	Incision of Oddi's sphincter or Vater's ampulla performed by inserting a sphincterotome through an endoscope (DUODENOSCOPE) often following retrograde cholangiography (CHOLANGIOPANCREATOGRAPHY, ENDOSCOPIC RETROGRADE). Endoscopic treatment by sphincterotomy is the preferred method of treatment for patients with retained or recurrent bile duct stones post-cholecystectomy, and for poor-surgical-risk patients that have the gallbladder still present.
Guide Notes:	refers to Oddi's sphincter or Vater's ampulla only; coord with disease /surg, not /diag; /instrum is probably DUODENOSCOPES
Previously Indexed:	Endoscopy (1974-1991),Oddi's Sphincter/surgery (1974-1991),Sphincterotomy, Transhepatic (1986-1991),Vater's Ampulla/surgery (1974-1991)

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