Mirizzi syndrome: History, current knowledge and proposal of a simplified classification

Figure 3 Another case described by Behrend. The cystic duct has become obliterated due to a chronic inflammatory process and the gallstones have eroded the gallbladder wall and formed a cholecystobiliary fistula corresponding to Mirizzi syndrome type II according to the Csendes classification (original drawing from Annals of Surgery 1950; 132, page 300)[20].