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Prognostic factors in primary retroperitoneal soft-tissue sarcomas
R G Bevilacqua1, A Rogatko, S I Hajdu
1Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, NY 10021.
Archives of Surgery (Chicago, Ill. : 1960)
|March 1, 1991
Summary
Complete resection and tumor grade are key for retroperitoneal soft-tissue sarcoma survival. Extensive surgery or adjuvant therapies offer no added benefit once the tumor is fully removed.
Area of Science:
- Oncology
- Surgical Oncology
- Pathology
Background:
- Primary retroperitoneal soft-tissue sarcomas are rare and challenging malignancies.
- Treatment outcomes are influenced by various clinical and pathological factors.
Purpose of the Study:
- To identify independent prognostic factors for survival and disease-free survival in patients with primary retroperitoneal soft-tissue sarcomas.
- To evaluate the impact of surgical resection completeness and adjuvant therapies on patient outcomes.
Main Methods:
- Retrospective analysis of 80 patients with primary retroperitoneal soft-tissue sarcomas treated between 1982 and 1988.
- Univariate and multivariate analyses were performed on independent treatment variables and treatment-dependent variables.
- Key factors analyzed included tumor grade, resectability, surgical margins, and adjuvant treatments.
Main Results:
- Complete resection of the tumor was the most significant factor influencing overall survival.
- In patients with complete resection, tumor grade was the sole independent prognostic factor for both survival and disease-free survival.
- No additional survival benefit was observed from more extensive surgical resection or adjuvant therapies after complete macroscopic tumor removal.
Conclusions:
- Completeness of surgical resection and the histopathologic grade of the sarcoma are the primary determinants of patient survival.
- Adjuvant therapies and extensive surgical approaches do not improve outcomes when complete tumor resection is achieved.