[Intrahepatic lithiasis. Apropos of 36 cases of "regional" intraheptic lithiasis].

Out of 2,700 operations for cholelithiasis and its sequelae (1960-1976), 36 cases (1.3%) of intrahepatic lithiasis (i.l.), namely proximal to the origin of the common hepatic, were observed. The prime objective of treatment namely removal of calculi, was achieved indirectly (hepatocholedochus and/or papilla) in 84% of cases, directly (hilar) in 16%. The second objective, that of ensuring optimal bilio-enteric drainage, was achieved by papillostomy or hepaticojejunostomy depending on the lumen of the bile way (respectively less or more than 2 cm.). Operative mortality was nil, while long-term results have proved poor in 9.6% of cases. The i.l. problematic is dealt with in detail on the basis of this series.