Obvious jaundice as seen by the yellowing of the scleara. With greater bilirubin concentration the skin becomes yellow as well. © 2011 Dr. Colin Tidy.
The gallstone is indicated by the red arrow, whilst the S indicates the acoustic shadow. Note that the presence of gallstones in a patient's gallbladder can be normal and the technician needs to look for gallbladder and common bile duct dilatation. © Dr. Ruth E. Moran.
ERCP visualises the biliary tree and any obstruction (such as impacted gallstones). During ERCP gallstones can also be removed. © 2009 Shahat AH.
Calot's triangle. © 2011 Dr. Eranga Perera.