After treatment with anticoagulation, thrombus was disappeared basically in 1 case, collateralcirculation was rebuilded with mesenteric venous in 3 cases.
抗凝治疗后，1例血栓基本消失，3例肠系膜静脉建立侧枝循环。
2
Establishment and strengthen of collateralvenouscirculation are in favor of improvement and prognosis of the thrombosis.