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Updated: Aug 2, 2026
11:24
Stem Cell Transplantation Strategies for the Restoration of Cognitive Dysfunction Caused by Cranial Radiotherapy
Published on: October 18, 2011
[Material and techniques of transcutaneous irradiation]
1Centre des tumeurs, groupe hospitalier Pitié-Salpêtrière, Paris.
La Revue Du Praticien
|April 15, 1994
Summary
Radiation therapy aims to eradicate tumors while sparing healthy tissue. Accurate pretreatment procedures, including precise localization and patient positioning, are crucial for effective radiation delivery.
Area of Science:
- Oncology
- Medical Physics
- Radiotherapy
Context:
- Radiation therapy is a cornerstone in cancer treatment.
- Effective treatment requires precise delivery of radiation dose.
- Minimizing damage to surrounding healthy tissues is paramount.
Purpose:
- To outline the essential pretreatment procedures in radiation therapy.
- To highlight the role of technology in accurate dose delivery.
- To ensure tumor eradication with minimal side effects.
Summary:
- Pretreatment involves accurate target volume and dose-limiting normal tissue localization using simulators and contouring devices.
- Precise daily patient positioning and movement reduction are critical for consistent treatment delivery.
- Advanced radiation planning computers enable complex treatment planning, selecting optimal particles, energies, machines, and shielding techniques.
- Field verification using port films or portal imaging ensures accurate tumor coverage.
Impact:
- Improved accuracy in radiation delivery leads to better tumor control.
- Reduced damage to healthy tissues minimizes treatment-related toxicity.
- Optimized treatment planning enhances the overall effectiveness of radiation oncology.
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