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  • Title: Hilar cholangiocarcinoma evaluated by three-dimensional CT cholangiography and rotating cine cholangiography.
    Author: Furukawa H, Sano K, Kosuge T, Shimada K, Yamamoto J, Iwata R, Moriyama N.
    Journal: Hepatogastroenterology; 2000; 47(33):615-20. PubMed ID: 10918998.
    Abstract:
    BACKGROUND/AIMS: To evaluate the usefulness of three-dimensional cholangiography and rotating cine cholangiography in depicting the anatomy of the hilar bile duct and tumor extension, and in planning surgical procedures for hilar cholangiocarcinomas. METHODOLOGY: Five patients with hilar cholangiocarcinoma and obstructive jaundice who underwent percutaneous transhepatic biliary drainage followed by resection were serially examined by cine cholangiography and three-dimensional cholangiography which were reconstructed from a helical computed tomography scan. Tumor extension to the bile ducts was prospectively diagnosed and the resection margin was planned using both cine and three-dimensional cholangiograms. The histological evaluation of the resected specimens were compared with preoperative findings of cholangiograms. RESULTS: The three-dimensional cholangiograms from vertical projection demonstrated the bile duct anatomy with excellent image quality. To assess tumor invasion to the intrahepatic bile ducts, cine cholangiograms from lateral and oblique projections were necessary. Selection of the surgical procedure was influenced by preoperative evaluations of the lesion on both three-dimensional and cine cholangiograms. Histologically, the resected margin was free from tumor in all cases. CONCLUSIONS: Three-dimensional and cine cholangiography allowed accurate assessment of the biliary system in patients with hilar cholangiocarcinoma, which was helpful for planning the surgical procedure.
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