The treatment of choice for an 8 mm retained common bile duct (CBD) stone is:
Treatment of Choledocolithiaisis Stone <1.5 cm --ERCP + Stone Removal ERCP is both diagnostic and therapeutic as stenting procedures may be done to allete the obstruction. Stone >1.5cm - Choledochotomy When distal obstruction is suspected- Choledochoduodenostomy
Laparoscopic CBD exploration
Percutaneous stone extraction
Endoscopic stone extraction
Extracorporeal shock wave lithotripsy
Bile duct