2017_IGRT course book
Impact of prostate target delineation variation on the clinic
Beware that MRI/CT difference can occur due to different rectal/bladder filling Use a flat table top and same cushions CT prostate 1,4 x MRI prostate Less dose to apex, base of seminal vesicles Observer variation is smaller than impact of modality difference For prostate only MRI based delineation is superior to CT based delineation RT according to delineation of the prostate on MRI decreases dose to the rectal wall
ESTRO IG and Adaptive Course Parikh Athens 2017
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