the syndrome consists of a special anatomical variant of the cystic duct , which has a low opening but runs side-by-side with the common bile duct , associated with entrapment of a gallstone in the cystic duct or the neck of the gallbladder , partial or total obstruction of the hepatic duct by the stone and by inflammatory lesions , and recurrent cholangitis .
C0008350
gallstone
C0006736
stone