Advanced Physics for Brachytherapy 2018

Imaging modalities for brachy planning

CT

Most commonly available imaging modality for treatment planning in radiation oncology Relatively fast Electronic density can be obtained Bone, air, bladder, rectum: OK Excellent resolution in the transverse plane

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Resolution limited along the scan axis: needle-cath. tip? Not very good for soft tissue

Adapted from L. Beaulieu ABP ESTRO Course 2016