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Документ Results of radical surgical treatment of cholangiocarcinomas(Scientific Route OÜ, Estonia, 2017) Boyko, Valeriy; Avdosyev, Yuriy; Sochnieva, Anastasiia LvovnaRadical operations of cholangiocarcinomas are connected with the great number of post-operative complications, and lethality reaches 15−30 %. The most debatable questions remain the choice of the operation type depending on localization and spreading of a tumor and also the expedience of using mini-invasive technologies as a preoperational preparation to the radical surgical treatment. We would like to share the little experience of the radical surgical treatment of cholangiocarcinomas. The research aimis to analyze results of radical surgical treatment of patients with cholangiocarcinoma. Matherials and methods. We have analyzed the outcomes of surgical treatment in 18 patients with cholangiocarcinomas. Tumor localization was determined according to the Bismuth-Corlett classification. Type 1 tumors were found in 2 (11.1 %), type 2 in 4 (22.2 %), type 3А in 5 (27.8 %), type 3B in 4 (22.2 %), type 4 in 1 (5.6 %), and distal localization in 2 (11.1 %) patients. As biliary decompression, 9 (50 %) patients underwent percutaneous transhepatic biliary duct drainage (PTBD), and another 9 (50 %) patients were operated without preoperative biliary decompression Pre-operative embolization of portal vein branches with the aim to in-crease the low volume of liver after anticipated resection was performed in 4 (22.2 %) patients. Results. After the embolization of portal vein branches, the estimated residual volume of hepatic parenchyma increased from 33.4 % to 45.7 %. Patients with cholagiocarcinomas of different localization performed the radical operations: isolated hepaticocho-ledochus resection in 5 (27.8 %) patients, hepaticocholedochus resection combined with Taj Mahal hepatic resection in 1 (5.6 %), right hemihepatectomy in 5 (27.8 %), left hemihepatectomy in 4 (22.2 %), extended right hemihepatectomy in 1 (5.6 %), and pancreoduodenal resection in 2 (11.1 %) patients. Complications of radical surgeries were observed in 4 (22.2 %) patients. Lethal outcomes occurred in 3 (16.7 %) patients. Conclusions. Radical operations are attended with complications in 22.2 % and lethality in 16.7 %. As a preoperative prepa-ration it is possible to use mini-invasive interventions for the biliary decompression and increase of hepatic parenchyma volume.