Outcome of gallbladder preservation in surgical management of primary bile duct stones

Table 1 Stone distribution and operation methods

Stone distribution	Cases	Operation methods	Cases
Left hepatic	11	RBD-IDS&II, III segmentectomy	15
Extrahepatic	8	RBD-RP	12
Intra-and extrahepatic	8	RBD-IDS & left hepatectomy	6
Bilateral hepatic	7	RBD-IDS & III segmentectomy	1
Segment VII	1	RBD-IDS & VII segmentectomy	1
Total	35	Total	35

Notes: RBD-RP: retrograde biliary drainage by retrograde puncture, RBD-IDS: retrograde biliary drainage through in-trahepatic duct stump.