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18PSPH的螺旋CT表现,并以30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。

The vascular plexus at the lower part of the villi had the characteristics of recti mini vessels and protal vesselas.

毛下血管表现为微直血管形态，可能分具有门静脉性质。