观察经临床证实30例门脉高压症的CT表现，包括食道静脉、食道周围静脉、小网膜静脉曲张，脐周静脉、脾静脉、奇静脉及半奇静脉扩张，以及肝硬化门脉高压症的其它伴随异常。CT在判定门脉高压和食道周围静脉、奇静脉、半奇静豚系统、小网膜及后腹膜是否存在静脉曲张和范围方面有肯定意义。同时对外科手术的选择有重要的指导意义。因此，CT是诊断门脉高压各侧支静脉曲张的重要方法。 To observe the clinical manifestations of CT in 30 cases of portal hypertension, including the esophageal vein, esophageal peripheral vein, small retinal varicose veins, umbilical vein, splenic vein, azygos vein and semi-azygos vein dilatation, and cirrhosis and portal hypertension Other accompanying anomalies. CT in determining portal hypertension and esophageal peripheral vein, azygous, semi-Quito-Quito system, the omentum and retroperitoneal varicose veins and the existence of a certain extent. At the same time the choice of surgery has important guiding significance. Therefore, CT is an important method for the diagnosis of portal vein varices in each side of the varicose veins.