THE INFLUENCE OF RESPIRATION INDUCED MOTION OF THE KIDNEYS ON THE ACCURACY OF RADIOTHERAPY TREATMENT PLANNING, A MAGNETIC-RESONANCE-IMAGING STUDY
THE INFLUENCE OF RESPIRATION INDUCED MOTION OF THE KIDNEYS ON THE ACCURACY OF RADIOTHERAPY TREATMENT PLANNING, A MAGNETIC-RESONANCE-IMAGING STUDY
复制标题
DOI：
10.1016/0167-8140(94)90045-0
复制
发表时间：
1994-02-01
影响因子：
5.7
通讯作者：
BATTERMANN, JJ
中科院分区：
文献类型：
--
作者：
MOERLAND, MA;VANDENBERGH, ACM;BATTERMANN, JJ
已进行MRI研究以确定呼吸引起的肾脏运动。在正常呼吸条件下，左肾和右肾的位移分别为2 - 24 mm和4 - 35 mm。在强迫呼吸条件下，位移较大，左肾为10至66 mm，右肾为10至86 mm。在部分治疗过程中，对卵巢癌患者进行全腹照射，并屏蔽肾脏，以确定肾脏运动对辐射剂量的影响。肾脏运动导致接受20 - 22戈伊剂量的肾脏体积的较大部分。
An MRI study has been performed to determine the respiration induced motion of the kidneys. Under normal respiration conditions displacements of the left and right kidney varied from 2 to 24 mm and 4 to 35 mm, respectively. Under forced respiration conditions displacements were larger and ranged from 10 to 66 mm for the left kidney and 10 to 86 mm for the right kidney. The influence of kidney motion on the radiation dose was determined for patients irradiated on the total abdomen for ovarian cancer with shielding of the kidneys during part of the treatment. The kidney motion resulted in a larger fraction of the kidney volume receiving a dose between 20 and 22 Gy.