Your doctor will ask you about your symptoms. He will examine your penis, looking for tender, firm areas of scar tissue. Usually, this is all that is needed to diagnose the problem.
If your doctor needs more information, he or she may order an X-ray to look for calcium deposits in scar tissue. Your doctor may ask you to bring in photographs of your erect penis to better determine the extent of the damage.
Men who are considering surgery may be asked to undergo special testing of sexual function. This will help determine the best method of repairing the problem.