A variety of techniques have been described for achieving deep biliary cannulation, a necessary prelude to most endoscopic retrograde cholangiographic (ERCP) procedures. The rate of
needle-knife sphincterotomy (NKS)
needle-knife sphincterotomy (NKS)
Incision Improves Success and Safety for Difficult Biliary Access Compared With Wire- or Stent-Guided Entry
Incision Improves Success and Safety for Difficult Biliary Access Compared With Wire- or Stent-Guided Entry
