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Background: Retroperitoneal sarcoma (RPS) is a surgically manageable condition that can recur locally after complete macroscopical resection. Managing patients at high-volume specialized healthcare centers has positive effects on treatment outcome. The present study aimed to preoperatively, perioperatively, and postoperatively assess patients who underwent surgery for RPS.
Methods: Consecutive surgical resections of RPS performed at a single healthcare center between January 2011 and December 2018 were investigated retrospectively. Histological, radiological, and clinical data were collected. In addition to local recurrence rate of patients with complex tumor resection, existing symptoms, adjuvant treatment type, and 5- year overall and disease-free survival rates were recorded and analyzed.
Results: Extensive complete tumor resection was performed in 25 (%100) patients operated in our clinic for retroperitoneal sarcoma between 2011-2018. The mean survival time in patients undergoing R0 resection was found to be significantly higher than that in patients undergoing R1 resection(p=0.001). No statistically significant difference was found between histological grading and histological types in terms of mean survival (p=0.63 p=0.36). There was no statistically significant difference in terms of mean survival between patients who did not receive additional therapy, received adjuvant chemotherapy, and those who received adjuvant chemotherapy and radiotherapy. (p = 0.342) CONCLUSION: Although extensive complete resection is the gold standard in the treatment of retroperitoneal sarcoma, the effect of adjuvant chemotherapy and radiation therapy is still under discussion. In our study, high mean survival rates were determined due to R0 resection, and the effect of tumor grade and histological subtype on survival was not observed.
Key Words: Adjuvant therapy, Overall survival, Retroperitoneal sarcoma, Surgical resection.
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