The size, echo intensity, intratumoral vascularity of tumors and the perfusion of tumors parenchyma during the vascular phase were monitored.

• 分别用灰阶超声、彩色多普勒超声和超声造影检查，观察肿瘤的大小、回声强度、肿瘤内的血管和肿瘤实质的血流灌注。