Successful robotic radical resection of hepatic echinococcosis located in posterosuperior liver segments

BACKGROUND: Radical resection is an important treatment method for hepatic echinococcosis. The posterosuperior segments of the liver remain the most challenging region for laparoscopic or robotic hepatectomy. AIM: To demonstrate the safety and preliminary experience of robotic radical resection of cystic and alveolar echinococcosis in posterosuperior liver segments. METHODS: A retrospective analysis was conducted on the clinical data of 5 patients with a median age of 37 years (21-56 years) with cystic and alveolar echinococcosis in difficult liver lesions admitted to two centers from September to December 2019. The surgical methods included total pericystectomy, segmental hepatectomy, or hemihepatectomy. RESULTS: Among the 5 patients, 4 presented with cystic echinococcosis and 1 presented with alveolar echinococcosis, all of whom underwent robotic radical operation successfully without conversion to laparotomy. Total caudate lobectomy was performed in 2 cases, hepatectomy of segment VII in 1 case, total pericystectomy of segment VIII in 1 case, and right hemihepatectomy in 1 case. Operation time was 225 min (175-300 min); blood loss was 100 mL (50-600 mL); and postoperative hospital stay duration was 10 d (5-19 d). The Clavien-Dindo complication grade was I in 4 cases and II in 1 case. No recurrence of echinococcosis was found in any patient at the 3 mo of follow-up. CONCLUSION: Robotic radical surgery for cystic and selected alveolar echinococcosis in posterosuperior liver segments is safe and feasible.

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