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Pancreaticoduodenectomy
A pancreaticoduodenectomy, pancreatoduodenectomy, Whipple procedure, or Kausch-Whipple procedure, is a major surgical operation involving the pancreas, duodenum, and other organs. This operation is performed to treat cancerous tumours on the head of the pancreas, malignant tumors involving the common bile duct, duodenal papilla, or duodenum near the pancreas, and also some cases of pancreatitis with or without a definitive cause.
== Anatomy involved in the procedure ==
The most common technique of a pancreaticoduodenectomy consists of the ''en bloc'' removal of the distal segment (antrum) of the stomach, the first and second portions of the duodenum, the head of the pancreas, the common bile duct, and the gallbladder.
The basic concept behind the pancreaticoduodenectomy is that the head of the pancreas and the duodenum share the same arterial blood supply (the gastroduodenal artery). These arteries run through the head of the pancreas, so that both organs must be removed if the single blood supply is severed. If only the head of the pancreas were removed it would compromise blood flow to the duodenum, resulting in tissue necrosis.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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