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.

方法分析18例PSPH的螺旋CT表现,并以30例肝炎后脉高压(PH)作为对照,着重观察胃周脉开放情况。