A retrospective review of consecutive 35 patients' pre and post operative abdominal computed tomography was performed to determine frequency and degree of bile duct dilatation following Billroth II operation for stomach cancer and it's clinical
significance.
Degree f intrahepatic biliary dilatation was classified as mild, moderate, marked according to the extension into central, middle and peripheral zone of liver, respectively. Three specialists on the abdominal image participated in analysis of
those
findings without prior information of the patients. Intrahepatic biliary dilatation was seen in 22 patients(63%) analysed by at least one radiologist, in 13 patients(37%) by at least two radiologists. Bile duct dilatation on CT was common finding
and no
necessarily meant tumor recurrence. Vagotomy and afferent loop resulted from Billroth II were one of possible causes fo bile duct dilatation, This study shows in the cases of bile duct dilatation without clinical and other radiological evidence
of
recurrence, no further study are needed and only enough to follow up study.
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