Clinical anatomy in the context of portal hypertension.
Clinical anatomy in the context of portal hypertension.
Clinical anatomy in the context of portal hypertension.
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Portal System<br />
variations<br />
• Variations are relatively rare<br />
• Length <strong>of</strong> ma<strong>in</strong> <strong>portal</strong> stem : 55-80 mm<br />
• Diameter: 11 mm, more <strong>in</strong> cirrhosis<br />
• Ma<strong>in</strong> variations <strong>in</strong>volve connections <strong>of</strong><br />
gastric coronary ve<strong>in</strong> and IMV<br />
anomalies<br />
• Anomalies are rare<br />
• Anterior position <strong>of</strong> <strong>portal</strong> ve<strong>in</strong> relative<br />
to pancreas and duodenum<br />
• Portal ve<strong>in</strong> bypass<strong>in</strong>g liver and dra<strong>in</strong><strong>in</strong>g<br />
<strong>in</strong>to IVC<br />
from Netter 1957
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