Lymphovascular Supply

The arterial supply of the pancreas is from the same vessels that supply the duodenum, and venous drainage is to the portal system. The lymphatics follow the arteries to the peripancreatic, pancre-aticoduodenal and pyloric nodes, and ultimately to the coeliac and superior mesenteric nodes (Figure 3.3).

The arterial supply to the bile ducts is complex, originating from both the coeliac and superior mesenteric arteries. The lymphatics flow to the infrahepatic, peripancreatic, periduodenal, coeliac and superior mesenteric nodes.

Figure 3.2. Ampulla of Vater and extrahepatic bile ducts. Reproduced with permission from Hermanek P, Hutter RVP, Sobin LH, Wagner G, Wittekind Ch (eds.). TNM Atlas: illustrated guide to the TNM/pTNM classification of malignant tumours, 4th edition. Springer-Verlag: Berlin and Heidelberg, 1997.
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