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[Radiotherapy and Ewing tumor in children]
Bulletin Du Cancer
|July 1, 1995
Summary
For Ewing's sarcoma, radiation therapy indications, target volume, and dose remain debated. High-quality radiotherapy improves local control, but late side effects like secondary osteosarcoma persist.
Area of Science:
- Oncology
- Radiation Oncology
- Pediatric Oncology
Context:
- Ewing's sarcoma treatment involves complex decisions regarding radiation therapy.
- High local control rates are achievable, yet optimal radiation strategies are debated.
- Recent data highlight the critical role of radiotherapy quality in long-term outcomes.
Purpose:
- To review current evidence on radiation therapy for Ewing's sarcoma.
- To discuss optimal target volume, radiation dose, and indications for therapy.
- To evaluate the impact of advanced radiotherapy techniques on outcomes and side effects.
Summary:
- Radiation therapy for Ewing's sarcoma shows high local control, but its precise role, target volume, and dose are controversial.
- Conformal therapy and 3D dosimetry may reduce late effects, but secondary osteosarcoma and other sequelae remain significant concerns.
- Surgery is preferred for small tumors with comparable outcomes.
Impact:
- Informs clinical decision-making regarding radiation therapy in Ewing's sarcoma.
- Highlights the need for balancing local control with minimizing long-term toxicities.
- Emphasizes the importance of radiotherapy quality and precision in pediatric oncology.