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 ORIGINAL ARTICLE
Year : 2021  |  Volume : 17  |  Issue : 1  |  Page : 69-75

Outcome of minimally invasive liver resection for extrapancreatic biliary malignancies: A single-institutional experience


1 Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital, Singapore
2 Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital; Duke-NUS Medical School, Singapore

Correspondence Address:
Prof. Brian K. P. Goh
Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital, 20, College Road
Singapore
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jmas.JMAS_247_19

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Background: Minimally invasive liver resection (MILR) has been increasingly adopted over the past decade, and its application has been expanded to the management of extrapancreatic biliary malignancies (EPBMs). We aimed to evaluate the peri- and post-operative outcome of patients undergoing MILR for suspected EPMB. Methods: Forty-four consecutive patients who underwent MILR with a curative intent for EPBM at Singapore General Hospital between 2011 and 2018 were identified from a prospectively maintained surgical database. Clinical and operative data were analysed and compared to provide information and make comparisons on peri- and post-operative outcomes. Results: A total of 26, 5 and 13 patients underwent MILR for intrahepatic cholangiocarcinoma (ICC), perihilar cholangiocarcinoma (PHC) and gallbladder carcinoma (GBCA), respectively. Six major hepatectomies were performed, of which one was laparoscopic assisted and another was robot assisted. Ten patients underwent posterosuperior segmentectomies. There was one open conversion. The mean operative time was 266.5 min, and the mean blood loss was 379 ml. The mean length of hospital stay was 4.7 days with no incidences of 30- and 90-day mortality. The rate of recurrence-free survival (RFS) was 75% (at least 12-month follow-up). There was a significantly higher rate of robot-assisted procedures in patients undergoing MILR for GBCA/PHC as compared to ICC (P = 0.034). Patients undergoing posterosuperior segmentectomies required longer operative time (P = 0.018) with an increased need for (P = 0.001) and duration of (P = 0.025) Pringles manoeuvre. There were no differences in operative time, blood loss, morbidity, mortality or RFS between the above groups. Conclusion: Minimally invasive surgery can be adopted safely with a low open conversion rate for EPBMs.






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