Abstract
Recent international reports have suggested that an abnormal pancreatic and bile duct junction can influence the degree of pancreatic fluid regur-gitation, resulting in an increased incidence of biliary tract malignancy. To confirm these reports, we retrospectively examined the anatomic relation at the pancreaticobiliary junction in all patients diagnosed with cholangiocarcinoma or gallbladder cancer at Baylor University Medical Center (BUMC) over a 10-year period. From 1989 to 1998, 82 patients with bile duct cancer were treated at BUMC. Adequate visualization of the pancreaticobiliary junction was accomplished in 29 patients (35%). Among these patients, an abnormal junction, with a common channel length of 8 to >15 mm, was noted in 13 patients (45%). Thus, this study confirms previous reports regarding the high incidence of an abnormal pancreaticobiliary junction in patients with bile duct cancer. A prospective effort to examine this anatomy and the length of the common channel should be encouraged to identify a potential high-risk group.
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