Management of retroperitoneal sarcoma involving the iliac artery: Single-center surgical experience.

BACKGROUND: Management of retroperitoneal sarcoma (RPS) involving the iliac artery is challenging and requires the concerted efforts of multidisciplinary team (MDT) members during surgical treatment. AIM: To summarize the clinicopathologic features of RPS involving the iliac artery and our retroperitoneal soft tissue tumor MDT surgical experience. METHODS: In this retrospective study, 15 patients with RPS involving the iliac artery who underwent surgery at our retroperitoneal soft tissue tumor center from July 2004 to June 2020 were analyzed. Statistical analyses were performed by Student's t-test with SPSS 16.0. RESULTS: Complete tumor resection (R0/R1) and iliac artery reconstruction were achieved in all 15 patients. All the operations were successful, with no serious complications or perioperative death. Resection with bilateral iliac artery reconstruction required a higher intraoperative blood transfusion volume than resection with unilateral iliac artery reconstruction. Recurrent cases were more likely to bleed and required a higher blood transfusion volume than primary cases. As of January 2021, 11 patients were alive, and 4 had died. Local recurrence occurred in two patients, one of whom developed liver metastasis. CONCLUSION: Resection of RPS involving iliac vessels is feasible and effective when performed by MDT members. Iliac artery oncovascular resection and reconstruction are key to a successful operation. Adequate blood preparation is important for successful completion of surgery.

[Da Vinci robot-assisted gastrectomy with lymph node dissection for gastric cancer: a case series of 9 patients].

OBJECTIVE: To evaluate the technical feasibility, effectiveness, and safety of robot-assisted gastrectomy(RAG) with lymphadenectomy using the Da Vinci system. METHODS: A total of 9 patients in our institute from March 17 to April 24 2010 underwent RAG. Clinicopathologic characteristics and surgical outcomes were summarized. RESULTS: All operations were performed successfully without conversion to either open or laparoscopic approach. There were 5 total gastrectomies,2 distal gastrectomies, 1 proximal gastrectomy and 1 wedge gastrectomy with D(1) or D(2) lymphadenectomy. The total operative time was 150 to 440 minutes. Total blood loss ranged from 10 to 100 ml. The ranges of harvested lymph nodes were 19-24 for D(1) patients and 28-38 for D(2) patients. There was 1 case of postoperative gastric leakage, which were managed conservatively. CONCLUSIONS: RAG with lymphadenectomy can be applied safely and effectively for patients with gastric cancer.