penis/prostate numbers

cryptorchidism is bilateral in ___ of cases

10-25%

polyorchidism is more common on what side at what percentage?

left, 75%

how many testicles do males born with polyorchidism have?

more than 2

average prostate length and width are both

4 cm

average prostate height

3 cm

prostate volume formula

L(W)(H)(0.52)

normal prostate PSA

less than or equal to 4.0 ng/ml

PSA density formula

PSA/prostate gland volume

PSA density upper limit

0.15 (if more, cancer suspicions)

when does prostate screen start generally

age 50

what age does high risk for prostate cancer start

40 years

how many samples does TRUS guided biopsy need?

12 or more

adenocarcinoma percentage in prostate: peripheral

70%

adenocarcinoma percentage in prostate:

transitional

20%

adenocarcinoma percentage in prostate:

central

10%

peyronie’s disease

penile curvature affects

52-87% of patients

tunica albuginea flaccid penis measures

approximately 2 mm

tunica albuginea errect penis measures

0.25-0.5 mm