Results CT plain scan showed bilateral symmetrical hypodense of lentiform nucleus and the head of caudate nucleus in 8 cases, and in 1 case only the lentiform nucleus were involved.

• 结果CT表现:两侧豆状核,尾状核头部同时出现对称性低密度病灶8例;尾状核头部低密度病灶呈椭圆形,仅豆状核出现对称性低密度病灶1例。伴有额、颞叶内不规则低密度影1例。