Retroperitoneal Soft Tissue Sarcoma: Emerging Therapeutic Strategies

Area of Science:

• Oncology
• Surgical Oncology
• Radiotherapy

Background:

• Retroperitoneal soft tissue sarcoma (RPS) presents unique challenges due to its location, size, and indistinct borders, leading to high local recurrence rates.
• Local recurrence is a primary cause of mortality in low-grade RPS, while high-grade tumors often metastasize distantly.

Purpose of the Study:

• To comprehensively review recent data on the evolving multidisciplinary management of primary localized RPS.
• To discuss the impact of emerging therapeutic strategies on oncological outcomes.

Main Methods:

• Review of recent literature on multidisciplinary management of primary localized RPS.
• Analysis of data regarding extended surgery, neoadjuvant/adjuvant treatments, and radiotherapy.

Main Results:

• Extended surgery with compartmental resection improves local control in low-grade RPS and liposarcoma, but not leiomyosarcoma.
• Preoperative radiotherapy may benefit specific subtypes like well-differentiated liposarcoma and solitary fibrous tumors.
• The benefit of neoadjuvant chemotherapy for high-grade RPS is still under investigation.

Conclusions:

• A personalized, histology-tailored multimodality treatment approach is crucial for improving RPS management.
• Future strategies will likely incorporate a deeper understanding of RPS molecular and genetic characteristics.