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(PH)对,着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.

绒毛下部血管表现微直血管形态，可能部分具有门静脉性质。