Methods Spiral CT appearances of 18 cases with PSPH were reviewed and compared with those of 30 cases with protal hypertension (PH),especially perigastric collateral channel formation were evaluated.

• 方法回顾性分析18例PSPH的螺旋CT表现,并以30例肝炎后门静脉高压(PH)作为对照,着重观察胃周侧支静脉开放情况。