AME国际病例

AME国际病例113 | 小脑毛细胞黏液型星形细胞瘤

Published at: 2015年第1卷第58期

Peng-fei Ge 1 , Hai-feng Wang 1 , Li-mei Qu 2 , Bo Chen 1 , Shuanglin Fu 1 , Yinan Luo 1
1 Department of Neurosurgery, the First Affiliated Bethune Hospital, Jilin University, Changchun 130021, China
2 Department of Pathology, the First Affiliated Bethune Hospital, Jilin University, Changchun 130021, China

摘要

毛细胞黏液型星形细胞瘤(pilomyxoid astrocytoma,pmA)是毛细胞型星形细胞瘤的一种新亚型,通常位于下丘脑和视交叉区。在本文中,我们报告一例9岁男孩的病例,诊断为小脑pmA。MRI扫描显示肿瘤涉及小脑蚓部、小脑扁桃体、第四脑室和脑干,T1WI呈等信号,T2WI呈高信号,液体衰减反转恢复序列(fluid attenuated inversion recovery,FLAIR)呈高信号,对比增强T1WI呈均匀强化。肿瘤次全切除,术后组织病理检查证实是pmA。随访5个月,MRI扫描显示脑干的残留肿瘤增大。患者术后生存10个月,最后死于脑干功能障碍所致的呼吸衰竭。

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