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

"孩子的额角在书桌的角上碰,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.

中线上位于侧脑室额角之间，孟氏孔之前的囊样病，与脑积液呈等信号。