CT-BASED OPTIMIZED PLANNING FOR TRANSPERINEAL PROSTATE IMPLANT WITH CUSTOMIZED TEMPLATE

被引：46

作者：

ROY, JN ^{[1
]}

WALLNER, KE ^{[1
]}

CHIUTSAO, ST ^{[1
]}

ANDERSON, LL ^{[1
]}

LING, CC ^{[1
]}

机构：

[1] MEM SLOAN KETTERING CANC CTR,DEPT RADIAT ONCOL,NEW YORK,NY 10021

来源：

INTERNATIONAL JOURNAL OF RADIATION ONCOLOGY BIOLOGY PHYSICS | 1991年 / 21卷 / 02期

关键词：

CT-BASED IMPLANT PLANNING; TRANSPERINEAL IMPLANTS; I-125; IMPLANTS; TEMPLATE; PROSTATE IMPLANT; LEAST-SQUARES OPTIMIZATION;

D O I：

10.1016/0360-3016(91)90800-J

中图分类号：

R73 [肿瘤学];

学科分类号：

100214 ;

摘要：

A computerized planning procedure has been developed for CT-guided transperineal prostate implants. The segment for custom planning of perineal needle orientations allows placement of I-125 seeds in the entire prostate gland while avoiding the pubic bones. Least-squares optimization (LSO) is used to obtain the seed-loading pattern along the needles. The optimized seed distribution produces a better fit between treatment and target volumes than that obtained from our previous manual technique. Also, the present semi-automatic technique reduces planning time by about a factor of 10 compared to that of the manual approach.

引用

页码：483 / 489

页数：7

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