Definition and Causes. One of the most common causes of extrahepatic biliary obstruction is choledocholithiasis, with one or more stones in the common bile duct or common hepatic duct causing biliary obstruction.
The pain symptoms associated with CPPS include: 1  Lower back pain. 2  Pelvic pain or pain above the pubic bone. 3  Rectal pain. 4  Perineum pain (area between the anus and the scrotum) 5  Genital pain. 6  Feeling like you are sitting on a tennis ball or a peach pit. 7  Sitting for long periods triggers or exacerbates pain and symptoms.
Prostatitis symptoms include: 1  Pain. 2  If you have CP, you may experience a dull, throbbing pain, a sensation of irritation or heaviness. 3  It may be located anywhere in the lower pelvic region (groin, pubic area, perineum, and lower back), genitals (penis, scrotum). 4  Sometimes it travels to hips, thighs or upper abdomen.