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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
Adapted from L. Beaulieu ABP ESTRO Course 2016
Imaging modalities for brachy planning
Resolution limited along the scan axis: needle-cath. tip?
Not very good for soft tissue