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Peripancreatic veins on thin-section (3 mm) helical CT
K Ibukuro1, T Tsukiyama, K Mori
1Department of Radiology, Mitsui Memorial Hospital, Tokyo, Japan.
AJR. American Journal of Roentgenology
|October 1, 1996
Summary
Thin-section helical CT effectively visualizes peripancreatic veins and their anatomy. This imaging technique is valuable for understanding venous variations in the pancreatic head region.
Area of Science:
- Radiology
- Medical Imaging
- Anatomy
Background:
- The peripancreatic veins play a crucial role in pancreatic and portal system circulation.
- Understanding the detailed venous anatomy around the pancreas is essential for surgical planning and diagnosing various pathologies.
Purpose of the Study:
- To evaluate the frequency of visualization of peripancreatic veins using thin-section helical CT.
- To assess the venous anatomy at the head of the pancreas and identify common variations.
Main Methods:
- Fifty patients underwent 3-mm collimation, 30-second helical CT of the pancreas with intravenous contrast.
- Axial scan data were analyzed for the visualization frequency of specific peripancreatic veins and their anatomical relationships with the portal venous system.
Main Results:
- High visualization rates were achieved for the gastrocolic trunk (100%) and right gastroepiploic vein (100%).
- The anterior superior pancreaticoduodenal vein showed the lowest visualization rate at 50%.
- Detailed drainage patterns of the left gastric vein and inferior mesenteric vein into the portal venous system were documented.
Conclusions:
- Thin-section helical CT is a reliable method for visualizing peripancreatic veins.
- The study provides valuable anatomical data on peripancreatic venous variations, aiding in clinical interpretation.