Blood supply of CBD

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Q) Supraduodenal  CBD is supplied by all except (AIIMS NOV 18)
a Cystic art
b RHA
c LHA
d Anterosuperior pancreaticoduodenal artery

Ans c

The blood supply to the right and left hepatic ducts and upper portion of the CHD is from the CA and the right and left hepatic arteries.

The supraduodenal bile duct is supplied by arterial branches from the right hepatic, cystic, posterior superior pancreaticoduodenal, and retroduodenal arteries.

arteries to the supraduodenal bile duct run parallel to the duct at the 3 and 9 o’clock positions.

Approximately 60% of the blood supply to the supraduodenal bile duct originates
inferiorly from the pancreaticoduodenal and retroduodenal arteries

whereas 38% of the blood supply originates superiorly from the right hepatic artery and CD artery

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