CT
•
T-Staging: Detection
–
T 1 – not palpable
not detectable
–
T 2 – confined to prostate
not detectable
–
T 3/4 – extracapsular extension: infiltration of
seminal vesicles, neurovascular bundle,
rectum, bladder
difficult
•
Grading: not possible
➡
CT not the method of choice
MRI
Benign Hyperplasia
•
Origin in central gland
•
Elevation of bladder
•
Protrusion of middle lobe
•
Confined within capsule
T2a
T2b T2c
(<50% 1 lobe) (>50% 1 lobe) (both lobes)
Prostate Carcinoma
Prostate Carcinoma
T3b
extracapsular extension + infiltration of seminal vesicles
Extracapsular Extension
Hricak H, Cancer 2004