Successful endoscopic removal of a rare, large impacted pancreatic duct stone using grasping forceps: A case report with video

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Abstract

Rationale:

As a main complication of chronic pancreatitis (CP), pancreatic duct stones (PDSs) are often associated with ductal obstruction resulting in increasing intraductal and parenchymal pressure and long-lasting pain. There are many methods for removing PDSs. However, for large stones, it is technically difficult to remove them entirely by endoscopic retrograde cholangiopancreatography (ERCP).

Patient concerns:

A 57-year-old man presented with a chief complaint of severe epigastric pain radiating to his back 3 or 4 times annually for 2 years.

Diagnosis:

The abdominal computed tomography scan revealed dilation of the proximal pancreatic duct with an irregular high-density calcification shadow located at the head of the pancreas.

Interventions:

A pancreatic stent was placed initially by ERCP to relieve epigastric pain and alleviate symptom. Repeated ERCP was subsequently performed 2 months later to extract the impacted large pancreatic stone.

Outcome:

By using grasping forceps, the huge coralloid stone (272 × 0 mm) was successfully extracted in an en bloc manner. Then, a 7-French × 5 cm plastic pancreatic stent was placed for 2 weeks. The patient was free of any pancreatic pain during the 2-year follow-up.

Lessons:

Generally, for large or impacted pancreatic stones, endoscopic removal is technically difficult to achieve. Pancreatic stenting can be an effective method of alleviating abdominal pain and facilitating subsequent endoscopic lithoextraction. Extraction of large stones with grasping forceps can be an alternative approach instead of extracorporeal shock wave lithotripsy or surgery when stones are impacted at the papilla's orifice and partially protruding into the duodenal lumen.

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