问题
多项选择题
甲状腺囊肿的超声特点为（）
A.圆形或椭圆形无回声区
B.圆形或椭圆形强回声区
C.边界光滑整齐
D.侧方声影内收
E.出血时在囊肿底部有低回声
答案
参考答案：A, C, D, E
解析：甲状腺囊肿的超声特点为：甲状腺有圆形或椭圆形无回声区，边界光滑整齐，内回声清晰，其内可见残留的甲状腺瘤组织回声，出血时在囊肿底部有点状的低回声，侧方有声影内收。
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甲状腺囊肿的超声特点为（）
A.圆形或椭圆形无回声区
B.圆形或椭圆形强回声区
C.边界光滑整齐
D.侧方声影内收
E.出血时在囊肿底部有低回声
参考答案：A, C, D, E
解析：甲状腺囊肿的超声特点为：甲状腺有圆形或椭圆形无回声区，边界光滑整齐，内回声清晰，其内可见残留的甲状腺瘤组织回声，出血时在囊肿底部有点状的低回声，侧方有声影内收。
从对话后的方框中选择适当的选项补全对话。 A: 1 B: I’m not feeling well. A: You’ve been like this since you got here, haven’t you? B: 2 A: Do you know why? B: 3 It’s awful. One day it’s hot, but the next day it’s rainy. No matter what I wear, I’m never dressed properly. A: You haven’t learned to predict the weather here. I’ve been here for eight years, and I never get sick . B: 4 A: Well, there’s a weather hotline. Every morning you can call it to find out what the weather will be like during the day. B: I know that hotline, but I’ve never called it. I’ve heard it’s expensive.
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