A 21-year old Iranian man has a permanent erection after getting his penis tatooed. Ouch! The man apparently suffers from priapism, a condition in which an erection not caused by sexual stimulation lasts over four hours. The man's penis became semi-erect after he apparently bled from tissue deep within the organ. He decided to pay doctors a visit after the erection hadn't gone away for three months. After ruling out a urinary tract infection, leukemia, and other causes, doctors said that the tattoo was likely the culprit. They believe the handheld needle used to create the design may have been inserted too deeply. The doctors determined that blood was still flowing in and out of the man's penis -- which is known in the medical community as nonischemic priapism. Essentially, blood is entering the penis faster than it can go out, leaving the penis permanently erect as a result of increased pressure. Doctors recommended a shunt procedure to drain excess blood, which un...