The baby hit his forehead against the corner of a desk and began to cry.

"孩子额在书桌碰了一下,于是大哭起来。"

Findings: Smooth midline cavity separating the frontal horns of the lateral ventricles (anterior to the foramen of Monro) and appearing isodense with cerebrospinal fluid.

中线位于侧脑室额之间，孟氏孔之前囊样病，与脑积液呈等信号。