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.
Chronic pancreatitis (CP) is a progressive inflammatory disease of the pancreas, characterized by irreversible morphologic changes and gradual fibrotic replacement of the gland. Loss of exocrine and endocrine function results from parenchymal fibrosis. The primary symptoms of CP are abdominal pain and maldigestion.