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Nephrectomy during operative management of retroperitoneal sarcoma
1Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York 10021, USA.
Annals of Surgical Oncology
|July 1, 1997
Summary
Nephrectomy during retroperitoneal sarcoma resection is often necessary due to tumor encasement or adherence. Complete tumor removal, even with kidney involvement, significantly improves survival rates for these rare cancers.
Area of Science:
- Oncology
- Surgical Oncology
- Abdominal Surgery
Background:
- Complete resection of retroperitoneal sarcoma frequently necessitates the removal of adjacent organs.
- The role of concurrent nephrectomy in retroperitoneal sarcoma surgery requires evaluation.
Purpose of the Study:
- To evaluate the role and outcomes of nephrectomy during retroperitoneal sarcoma resection.
- To determine the impact of sarcomatous renal involvement on patient survival.
Main Methods:
- Retrospective analysis of 75 patients undergoing concomitant nephrectomy during retroperitoneal sarcoma resection (1982-1995).
- Data collected included reasons for nephrectomy, degree of renal involvement, and survival outcomes.
- Comparison of survival based on completeness of tumor resection.
Main Results:
- Nephrectomy was performed in 20% of retroperitoneal sarcoma resections, most commonly for tumor encasement (53%) or adherence (28%).
- Kidney invasion by sarcoma was infrequent (27% of cases), with absence of invasion in 73%.
- Complete gross resection of tumor was associated with significantly improved 5-year disease-free survival (50% vs. 20%; p < 0.001).
Conclusions:
- Nephrectomy decisions should prioritize achieving complete gross tumor resection.
- Concomitant nephrectomy, when enabling complete resection, yields comparable long-term survival to other complete resections.
- Complete resection is the most critical factor for improving survival in retroperitoneal sarcoma patients.