according to the site of occlusion in 16 patients with complete splenic vein occlusion , this entity may be divided into two categories : type a , an occlusion close to the spleen in which short-gastric system seems to be major collateral , and type b , an occlusion distant from splenic hilum in which gastroepiploic system becomes prominent as collateral .
C0037993
spleen
C0229685
splenic hilum