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ESTRO Course: Target Volume Definition
Imaging for Determining the Gross
Tumor Volume (GTV): Prostate
Cancer
Stefan Delorme
Learning Objectives
•
To understand prostate anatomy
•
To comprehend the staging system for
prostate cancer
•
To appreciate potentials and shortcomings of
imaging method for GTV delineation
–
CT
–
MRI
•
To be aware of functional imaging modalities
–
Dynamic CE MRI
–
MRS
–
DWI
–
PET
Anatomy
•
Yellow: Peripheral gland
•
Blue: Transitional zone
•
Red: Central gland
•
Green: Anterior fibromuscular zone
CT above the bladder
External iliac
artery
External iliac vein
Psoas muscle
Roof of the bladder
External iliac artery
Externa
iliac vein
Bladder
Seminal vesicles
Rectum
Rectum
Floor of bladder I
Rectum
Seminal vesicles
Rectum
Neurovascular
bundle
Middle lobe of prostate