When you ligate the GDA (proximal), you must preserve the IPDA. However, in an extended Whipple, you remove the IPDA, relying entirely on pancreatic arcades. Ischemic necrosis of the residual pancreas is a fatal complication of over-resection.
It has a lobulated, pale pink appearance. In older patients, it may appear atrophic, while in obese patients, it can become "cloudy" or fatty. SURGICAL ANATOMY OF THE PANCREAS.ppt
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