procedure; prognoza; hipertenzija, portalna. Introduction Arteriovenous fistula (AVF) affecting superior mesen-teric vessels are uncommon, and have usually been observed in patients who have undergone abdominal surgery or have abdominal trauma 1–7. Due to localisation in the portal circu-lation, it increses blood flow in the portal.
been manually masked out and a 3 × 3 median filter had been applied to the data to remove remaining noisy points. Then, a triangle mesh has been created separately from each point cloud so that image rays can be intersected with object surfaces. The scan data is acquired in a system of lines and rows so that direct neighbors are known.
