DOSE TABLES FOR I125 SEED IMPLANTS

被引:20
作者
KRISHNASWAMY, V
机构
关键词
D O I
10.1148/132.3.727
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 ; 100207 ; 1009 ;
摘要
Dose tables are given for 125I implants, as well as detailed information about the dose distribution which is calculated for different square planar and cubic volume implants using recently published depth dose data. Minimum peripheral and maximum central doses are evaluated for different areas and volumes for seeds with 1 mCi (37 MBq) equivalent activity and spaced 1 cm apart. The dose delivered at any specific point in a permanent implant is the dose rate at that point multiplied by the mean life (2,080 hrs) and the activity per seed (1 mCi). The effect of spacing is studied and a spacing rule is suggested.
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页码:727 / 730
页数:4
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