Intraventricular malignant meningioma: one case report

被引:9
作者
Chen, NF
Lin, GY
Wang, YC
Leu, CH
Kwan, PC
机构
[1] Armed Force Kaohsiung Gen Hosp, Dept Surg, Div Neurosurg, Kaohsiung 802, Taiwan
[2] Taichung Vet Gen Hosp, Dept Neurosurg, Taichung, Taiwan
[3] Chu Shang Show Chwan Hosp, Dept Surg, Div Neurosurg, Nantour, Taiwan
[4] Taichung Vet Gen Hosp, Dept Pathol, Taichung, Taiwan
关键词
intraventricular; lateral ventricle; magnetic resonance imaging; malignant; meningioma;
D O I
10.1016/S0967-5868(03)00135-8
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
We report a case of primary intraventricular malignant meningioma in a 74-year-old man who presented with progressive weakness of the left limbs and dizziness, The preoperative magnetic resonance (MR) imaging of the head initially suggested that a glioblastoma. multiforme or a metastatic lesion might be present. But later, the excised tumor was histologically diagnosed as a primary malignant meningioma. So far, only a few cases of intraventricular malignant meningioma have been reported. The MR imaging of this tumor has rarely been described in the literature. In the present case, the mass lesion showed hyperintensity on the T1-weighted image (T1WI) and hypointensity on the T2-weighted image (T2WI) which was not commonly seen in meningioma. The unusual MR imaging of this case may be attributed to the intra-tumoral hemorrhage. Although intraventricular malignant meningioma is difficult to diagnose based on MR or computed tomographic images alone, the characteristics of the MR images in the present case may offer an option for preoperative differential diagnosis of intraventricular tumors. (C) 2003 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:616 / 620
页数:5
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