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CT现,并以30例肝炎后静脉高压(PH)作为对,观察胃周侧支静脉开放情况。