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Endoscopic retrograde cholangiopancreatography with sphincter of Oddi manometry (ERCP-SOM) is actually two procedures done concurrently in order to diagnose and treat severe stomach pain. It consists of two main parts: ERCP and SOM.

What is ERCP?

Endoscopic retrograde cholangiopancreatography (ERCP) is used to diagnose diseases of the gallbladder, biliary system, pancreas and liver. It combines X-ray and the use of an endoscope—a long, flexible, lighted tube. The doctor guides the scope through your mouth and throat, then down the esophagus, stomach, and the first part of the small intestine (duodenum). They can then view the inside of these organs and check for problems. Next, he or she will pass a tube through the scope and inject a dye. This highlights the organs on X-ray.


What is SOM?

Sphincter of Oddi manometry (SOM) tests for sphincter dysfunction by measuring the pressure of the sphincter of Oddi, a muscular valve surrounding the exit of the bile duct and pancreatic duct. dysfunctional sphincter does not relax at the appropriate time allowing the back-up of digestive juices and causing episodes of severe abdominal pain. Treatment depends on what is found during the procedure.


When would I need and ERCP-SOM? 

You may be a candidate for ERCP-SOM if you have dealt with unexplained severe stomach pain for an extended period of time. Our specialists follow national guidelines to determine whether a patient is a ERCP-SOM candidate and will evaluate each patient for alternative explanations for their pain before performing the procedure. 




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Endoscopy Center Phone Number - (304) 598-1876

Meet Faisal Bukeirat, MD


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