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Gastroenterology Research and Practice
Volume 2015 (2015), Article ID 417685, 5 pages
Research Article

Role of the Surgical Method in Development of Postoperative Cholangiocarcinoma in Todani Type IV Bile Duct Cysts

Hospital and Institute of Hepatobiliary Surgery, Chinese PLA General Hospital, Beijing 100853, China

Received 14 April 2015; Revised 30 June 2015; Accepted 1 July 2015

Academic Editor: Antoni Castells

Copyright © 2015 Hong-tian Xia et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Background. Our purpose was to investigate the association between the surgical approach for Todani type IV cysts and subsequent malignancy rate. Methods. The records of patients who received cyst excision from 1994 to 2013 were analyzed retrospectively for the following data: demographics, presenting symptoms, postoperative outcomes, malignant transformation, and follow-up reexaminations, including imaging, laboratory, and tumor marker tests. Results. Seven of the 196 patients initially treated at our hospital developed postoperative biliary malignancy, and the surgical approaches were extrahepatic bile duct cyst resection combined with hilar cholangioplasty and Roux-en-Y cystojejunostomy (), and intra- and extrahepatic bile duct cyst resection and Roux-en-Y hepaticojejunostomy (). The overall malignancy rate was 3.6% (7/196). Forty-eight patients initially treated at other hospitals developed malignancy postoperatively: 15 (31.2%) remained untreated and 33 (68.8%) had undergone incomplete resection procedures. Because Todani type IV cysts were seen in 268 patients, the postoperative malignancy rate of this group of patients was 12.3% (33/268). Conclusions. Radical resection of both intra- and extrahepatic cysts combined with hepatic resection and Roux-en-Y hepaticojejunostomy is associated with a reduced risk of subsequent cancer development. Procedures in which radical cyst excision is not performed are associated with a greater risk of subsequent malignancy.