| Dose Characteristics of Small Radiation Fields for 6MV X-ray of Linear Accelerator |
| Tae Jin Choi, Ok Bae Kim, Young Hoon Kim, Eun Ik Son, In Hong Kim |
1Department of Therapeutic Radiology, School of Medicine, Keimyung University, Taegu, Korea.
2Department of Neruosurgery, School of Medicine, Keimyung University, Taegu, Korea. |
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| ABSTRACT |
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Radiation dosimetry has been extended to small fields less than 4x4 cm2 which may be suitable for irradiation of small intracranial tumors. Special consideration was given to the percentage depth dose and scatter correction factors with 0.14ml ion chamber, film dosimetry and TLD measurement.
Calculated dose distributions were compared with measured data. |
| Key Words:
Dosimetry, Small field |
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