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Antoni Van Leeuwenhoek Hospital, Amsterdam
Bladder cancer tumor motion and deformation evaluated during external radiotherapy
June 2nd, 2006
Tumor location on the bladder wall could be used to determine geometric uncertainties in the gross tumor volume (GTV) position. According to a recent report from the Netherlands, "[The study's aims were:] First, to quantify bladder-tumor motion in 3 dimensions during a 4-week to 5-week course of external radiotherapy. Second, to relate the motion to the tumor location on the bladder wall. Third, to extensively evaluate GTV shape and volume changes during the course of the treatment." "Multiple repeat computed tomography (CT) images were obtained for 21 bladder cancer patients. These scans were matched to the rigid bony anatomy," explained H.T. Lotz...
Source: Medicine & Law Weekly (2006-06-02)
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