下列有关肝癌在超声检查中的表现，正确的是A．彩色多普勒上肿瘤边缘和内部彩色血流不丰富B．彩色多普勒上肝动脉管径变细C．较小的肿瘤在超声上为高回声 ...

作者: rantiku 人气: - 评论: 0

问题下列有关肝癌在超声检查中的表现，正确的是

选项 A．彩色多普勒上肿瘤边缘和内部彩色血流不丰富 B．彩色多普勒上肝动脉管径变细 C．较小的肿瘤在超声上为高回声 D．肿瘤周边常可见低回声晕 E．肝动脉内常可见瘤栓

答案 D

解析：肝癌在超声上通常为低信号，且周边和内部血流非常丰富，供血的肝动脉增粗，门静脉内会出现癌栓。

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