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Pseudocalculus of the common bile duct.
M Lautatzis1, J P Shoenut, J Scurrah
1Department of Radiology, University of Manitoba, Winnipeg.
Canadian Journal of Surgery. Journal Canadien De Chirurgie
|January 1, 1988
Summary
Common bile duct growths are rare but can cause obstruction. A case report highlights a benign polyp mimicking a stone, emphasizing the need for vigilance in diagnosing biliary obstruction.
Area of Science:
- Gastroenterology and Hepatology
- Surgical Pathology
Background:
- Common bile duct (CBD) growths are infrequently diagnosed without causing chronic biliary obstruction.
- Extrahepatic biliary obstruction often presents with symptoms like jaundice and epigastric pain.
Observation:
- A 71-year-old female presented with jaundice and epigastric pain.
- Endoscopic retrograde cholangiopancreatography revealed a cholecysto-colonic fistula and multiple filling defects in the CBD.
- Post-fistula closure and stone removal, a residual CBD filling defect was identified.
Findings:
- The residual defect, initially suspected as a calculus, was found during laparotomy to be a benign pedunculated polyp.
- Histopathological examination revealed a polyp composed of collagenous and vascular tissue, lacking surface epithelium.
Implications:
- This case underscores the importance of considering benign CBD growths in the differential diagnosis of biliary obstruction.
- Surgeons must maintain a high index of suspicion for neoplastic or polypoid lesions presenting as biliary obstruction.