The treatment of choice for an 8 mm retained common bile duct (CBD) stone is
Laparoscopic CBD exploration
Percutaneous stone extraction
Endoscopic stone extraction
Extracorporeal shock wave lithotripsy
For CBD stones, endoscopic papillotomy is the preferred first technique with a sphincterotomy, removal of stones using Dormia basket or balloon catheter.ERCP can be used to remove retained CBD stones in 3 weeks of surgery. Reference: SRB&;s manual of surgery,5th edition, page no:652.
G.I.T