Identification of the periprostatic venous plexus by MR imaging.
T2-weighted images (spin echo 2,000/60) show a high signal intensity rim around the prostate. Our investigations show that this rim is not part of the pelvic fat; it has T1 and T2 relaxation times similar to heparinized blood; it demonstrates little inflow effect; and after an intravenous injection of Gd-diethylenetriamine pentaacetic acid, its signal intensity increases. We conclude that this rim is the periprostatic venous plexus.
Poon
P Y
PY
Department of Diagnostic Imaging, St. Michael's Hospital, Toronto, Ontario, Canada.
Bronskill
M J
MJ
Poon
C S
CS
McCallum
R W
RW
Bruce
A W
AW
Henkelman
R M
RM
D005682:Gadolinium; D019786:Gadolinium DTPA; D006801:Humans; D007089:Image Enhancement / Q000379:methods; D008279:Magnetic Resonance Imaging / Q000379:methods*; D008297:Male; D009942:Organometallic Compounds; D004369:Pentetic Acid; D011467:Prostate / Q000098:blood supply*; D014680:Veins / Q000033:anatomy & histology*
D009942:Organometallic Compounds; D004369:Pentetic Acid; D005682:Gadolinium; D019786:Gadolinium DTPA