Abstract：Objective: To explore the different surgical procedures applied in the retroperitoneal tumor resection. Methods: We retrospectively studies the clinical data of 57 cases of retroperitoneal tumors from 2008 to 2015 and analyzed their clinical manifestations, imaging diagnosis, surgical procedures, pathological results, intraoperative situations and prognosis. Results: The tumors were completely resected in 42 cases, in which 26 cases were given laparoscopic surgery with the median operation time being 105 min, median estimated blood loss being 90 mL, and the median hospital stay being 7 days. Two cases were given robotic assisted laparoscopic surgery with the median operation time being 180 min, median estimated blood loss being 250 mL, and the median hospital stay being 7 days. Open surgery was performed on 14 cases with the median operation time being 180 min, median blood loss being 600 mL, and the median hospital stay being 9 days. Fifteen patients missed the best operation time for treatment, 3 of which had multiple metastases at admission, 6 died within one year, and 10 died within three years. Among 42 surgery-treated patients, there were 37 cases of benign tumors and no recurrence occurred, and there were 5 cases of malignant tumors, the one-year survival rate were 100%, and 3-year survival rate was 80%. Conclusions: Retroperitoneal tumor patients can benefit from early diagnosis and early surgical resection. Laparoscopic surgery, robotic assisted laparoscopic surgery and open surgery all are safe and effective in the treatment of retroperitoneal tumors, however laparoscopic surgery and robotic assisted laparoscopic surgery performed better in the intraoperative blood loss control, operation time reduction and postoperative hospital days reduction.
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