19/64
SUMMARY
Often Occurs in middle-aged men 好发于中年男性 fourth ventricle and lateral ventricle 多位于四脑室和侧脑室 Mass, clearly edge 团块状、边缘较清楚 no or slight Enhanced 增强扫描后,多无强化或轻微强化
特征性表现:条带
T2等、高信号 T1等低信号 T2上所见的高信号条
带为内分子层、颗粒 细胞层,以及白质细 胞丢失所致
11/64
Dysplastic Cerebellar Gangliocytoma
Imaging Findings-MRI
Dysplastic cerebellar gangliocytoma in a 47-year-old woman. (a)Axial T1weighted MR image shows a cerebellar mass with a striped appearance. (b)Axial T2-weighted MR image shows the same laminar morphology, composed of alternating hyperintense and isointense bands. (c) Con-trastenhanced axial T1-weighted MR image shows no enhancement of the mass1.2/64
5/64
Dysplastic Cerebellar Gangliocytoma
Pathologic Findings
disruption of the normal cerebellar laminar structure