A double-junction technique for total central nervous system irradiation with a 4-MV accelerator
| Autor: | P M Johnson, A G Kepka |
|---|---|
| Rok vydání: | 1982 |
| Předmět: |
Nervous system
Posture Central nervous system Linear particle accelerator law.invention Radiotherapy High-Energy Nuclear magnetic resonance Central Nervous System Diseases law medicine Humans Dosimetry Radiology Nuclear Medicine and imaging Spinal Cord Neoplasms Irradiation Cerebellar Neoplasms business.industry Particle accelerator medicine.anatomical_structure Double junction Ependymoma Homogeneous Particle Accelerators Nuclear medicine business Medulloblastoma |
| Zdroj: | Radiology. 145:467-471 |
| ISSN: | 1527-1315 0033-8419 |
| DOI: | 10.1148/radiology.145.2.6813908 |
| Popis: | An analysis is presented of a double-junction technique for the treatment of the complete central nervous system using orthogonal brain and spine ports from a 4-MV linear accelerator with a lead flattening filter. Experimental results are compared with calculated results in the junction zone. This study shows that clinically homogeneous doses (+/- 6%) can be delivered to the total central nervous system, provided that the irradiation of the junction zone is terminated about 10% sooner than irradiation of the rest of the brain and cord. The number of reduced fractions to be delivered in this region can be determined from the results of scatter dose calculations. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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