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Updated: May 1, 2026
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Published on: March 10, 2023
Differences between en bloc resection and enucleation of retroperitoneal sarcomas
José Antonio Gonzalez Lopez1, Vicente Artigas Raventós2, Manuel Rodríguez Blanco2
1Servei Cirurgia General i Digestiva, Hospital de la Santa Creu i Sant Pau, Universidad Autónoma de Barcelona, Barcelona, España; Servei Oncología Médica, Hospital de la Santa Creu i Sant Pau, Barcelona, España; Servei Anatomia Patológica, Hospital de la Santa Creu i Sant Pau, Barcelona, España.
Radical en bloc surgery for retroperitoneal sarcoma (RPS) improves disease-free survival compared to enucleation. Early, aggressive surgical management, particularly for liposarcoma, is critical for better patient outcomes.
Area of Science:
- Oncology
- Surgical Oncology
- Sarcoma Research
Background:
- Free margin surgery is the gold standard for soft-tissue sarcoma, significantly impacting recurrence and survival.
- A multidisciplinary approach is essential for optimal patient outcomes in sarcoma management.
Purpose of the Study:
- To compare the outcomes of en bloc surgical resection versus enucleation for retroperitoneal sarcoma (RPS).
- To evaluate the impact of surgical strategy on survival time and recurrence in RPS patients.
Main Methods:
- A study involving 56 adult patients with RPS, divided into two groups: enucleation (Group A) and en bloc resection (Group B).
- Endpoints included overall survival and disease-free survival, analyzed by histological type and initial surgical approach.
Main Results:
- En bloc surgery demonstrated significantly longer disease-free survival (P<0.05) but no difference in overall survival compared to enucleation.
- Liposarcoma histology was associated with improved disease-free and overall survival in both surgical groups.
- Multivariate analysis identified free margins and liposarcoma histology as significant predictors of better survival.
Conclusions:
- Aggressive surgical management, often involving multivisceral resection, is necessary for retroperitoneal sarcoma.
- Radical en bloc surgery is critical for achieving better disease-free and overall survival rates in RPS patients.
- Early intervention and complete surgical resection are paramount for improving outcomes in retroperitoneal sarcoma.
