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3D Reconstruction of a Primary Aortoenteric Fistula – Centerline Calculation and Measurements

[ Vol. 11 , Issue. 2 ]


Bojan V. Stimec, Jean H.D. Fasel and Dejan Ignjatovic   Pages 127 - 131 ( 5 )


Background: Flow dynamics are a significant factor in the development and possible rupture of the aneurysms. Therefore, it is close to reason to present detailed data on the realistic 3D surface and internal geometry of a primary aortoenteric fistula, i.e. of its fistulous tract.

Methods: A primary aortoenteric fistula in a patient with an abdominal aorta aneurysm underwent quantitative analysis by means of multimodal image processing, based on multi-detector computed tomographic angiography dataset. The medical computer-aided design presented a 3D model with the fistula as a branch of the abdominal aorta. A full array of centerline calculations was performed on this fistula, three levels of the aneurysm and on the superior mesenteric artery.

Results: The hydraulic properties of the fistulous tract were comparable to the superior mesenteric artery and even to the abdominal aorta aneurysm.

Conclusion: 2D and 3D geometry measurements provide insight into the flow dynamics of the primary aortoenteric fistula, relevant for surgical treatment.


3D reconstruction, abdominal aorta aneurysm, centerline calculation, geometry, Primary aortoenteric fistula.


Faculty of Medicine, University of Geneva, Department of Cellular Physiology and Metabolism, Anatomy Sector, Rue Michel-Servet 1, 1211 Geneva, Switzerland.

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