Previous Page  1158-1159 / 2239 Next Page
Information
Show Menu
Previous Page 1158-1159 / 2239 Next Page
Page Background

CT images defines the radiation transport arena

Imaging sequence must be relevant for the irradiation technique

(breath hold, gating etc)

Movements may yield large artifacts, and hence their calculated

dose

38

In lung, the dose to a small dense object (tumor) covered by large

enough field margins is more determined by its size&chape than its

position!

Wrong shape – wrong dose!

Wrong place – likely correct dose!