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A Mouse Model of Incompletely Resected Soft Tissue Sarcoma for Testing (Neo)adjuvant Therapies
Published on: July 28, 2020
Histologic type predicts survival in patients with retroperitoneal soft tissue sarcoma
Warren Tseng1, Steve R Martinez, Robert M Tamurian
1Department of Surgery, Division of Surgical Oncology, University of California, Davis Medical Center, Sacramento, Califronia, USA.
The Journal of Surgical Research
|September 28, 2010
Summary
Histologic type significantly impacts survival in retroperitoneal soft tissue sarcoma (RPSTS). This study found that specific tumor types, like liposarcoma, offer better prognoses than others, such as malignant fibrous histiocytoma.
Area of Science:
- Oncology
- Surgical Pathology
- Cancer Epidemiology
Background:
- Traditional prognostic factors for retroperitoneal soft tissue sarcoma (RPSTS) include histologic grade, resection completeness, and metastasis presence.
- The prognostic significance of histologic type in RPSTS has not been fully elucidated.
Purpose of the Study:
- To investigate the importance of histologic type as a prognostic factor in patients diagnosed with RPSTS.
Main Methods:
- Utilized the Surveillance, Epidemiology, and End Results (SEER) database (1988-2004) to identify 2064 adult RPSTS cases.
- Employed Kaplan-Meier analysis for overall survival (OS) and disease-specific survival (DSS) estimation.
- Conducted multivariate Cox proportional hazards modeling, adjusting for clinical and demographic variables.
Main Results:
- Liposarcoma, leiomyosarcoma, and other histologies demonstrated significantly longer median OS and DSS compared to malignant fibrous histiocytoma (MFH) and sarcoma, not otherwise specified (NOS).
- Histologic type was a statistically significant predictor for both OS and DSS on multivariate analysis.
- Prevalent types included leiomyosarcoma (28.7%), liposarcoma (20.3% well-differentiated/dedifferentiated, 11.9% NOS), MFH (11.0%), and sarcoma NOS (10.7%).
Conclusions:
- Histologic type is a crucial independent predictor of survival in retroperitoneal soft tissue sarcoma.
- Consideration of specific histologic subtypes is essential for accurate prognostication in RPSTS management.
