It showed different of cavernous expansion and abundant color signals in cavernous veins on color Doppler.Blood signals were obviously enhanced after the change of soft tissue pressure.

• 彩色多普勤检查示丰富血流信号，挤压周围软组织后，血流信号明显增加，并随周围软组织压力改变色彩也相应发生改变。