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4.
出生两天的男婴,鼻根部眉间正中有一肿块,CT检查如图,请选择最可能的诊断 ( )
![](http://cdn.laixue.com/exam/11719168/TestImages/TLC-00621.jpg)
![](http://cdn.laixue.com/exam/11719168/TestImages/TLC-00622.jpg)
![](http://cdn.laixue.com/exam/11719168/TestImages/TLC-00621.jpg)
![](http://cdn.laixue.com/exam/11719168/TestImages/TLC-00622.jpg)
![](http://cdn.laixue.com/exam/11719168/TestImages/TLC-00623.jpg)
A.
蛛网膜囊肿
B.
脑膨出
C.
硬膜外囊肿
D.
鼻息肉
E.
鼻咽癌