Objective To compare the image quality of three-dimensional spiral CT portography (3D-SCTP) produced by SSD with that by MIP and to make preliminary evaluation for its clinical application.

• 目的比较最大强度投影(MIP)和表面遮盖显示(SSD)两种三维螺旋CT门静脉成像(3D-SCTP)重建方法的成像质量,初步评价3D-SCTP对肝硬化门静脉高压患者的临床应用价值。