Intrahepatic calculi: A special problem in East Asia

  title={Intrahepatic calculi: A special problem in East Asia},
  author={Fumio Nakayama},
  journal={World Journal of Surgery},
Gallstones sometimes found in the intrahepatic bile ducts are called intrahepatic calculi, liver stones, or hepatolithiasis and are mainly calcium bilirubinate stones. They are brown, soft, and friable and are composed of 10-30% bilirubin coupled with calcium. The classification currently used in the department is based on those of Aschoff and Bacmeister [1] and Miyake and Nishimura [2] (Table 1). Calcium bilirubinate stones contain less than 30% cholesterol in contrast to cholesterol-pigment… CONTINUE READING