We found significant differences in CDFI, Vmax and Vmin between the mass type and the thick wall type, but no significance in RI Values.

• 三种类型瘤体内部血流彩色多普勒信号的丰富程度及收缩期最高峰值流速，舒张末期最低流速均有一定差异，而RI值却无显著差异。