[1]林日增,张雪林.脊髓髓内室管膜瘤和星形细胞瘤的MRI诊断15例临床分析[J].南方医科大学学报,2004,(07):847-848.
 LIN Yue-zeng,ZHANG Xue-lin.Diagnosis of intramedullary spinal cord ependymomas and astrocytomas using magnetic resonance imaging: analysis of 15 cases[J].,2004,(07):847-848.
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脊髓髓内室管膜瘤和星形细胞瘤的MRI诊断15例临床分析()
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《南方医科大学学报》[ISSN:/CN:]

卷:
期数:
2004年07期
页码:
847-848
栏目:
出版日期:
2004-07-01

文章信息/Info

Title:
Diagnosis of intramedullary spinal cord ependymomas and astrocytomas using magnetic resonance imaging: analysis of 15 cases
作者:
林日增1 张雪林2
1. 解放军第401医院CT/MR室, 山东, 青岛, 266071;
2. 第一军医大学南方医院影像中心, 广东, 广州, 510515
Author(s):
LIN Yue-zeng1 ZHANG Xue-lin2
1. Department of CT and MR, 401 Hospital of PLA, Qingdao 266071, China;
2. Diagnostic Imaging Center, Nanfang Hospital, First Military Medical University, Guangzhou 510515, China
关键词:
髓内肿瘤诊断磁共振成像室管膜瘤星形细胞瘤
Keywords:
intramedullary spinal cord neoplasms/diagnosismagnetic resonanceependymomasastrocytomas
分类号:
R739.4;R445.2
摘要:
目的 评估脊髓髓内室管膜瘤和星形细胞瘤的MRI表现。方法 回顾分析经手术病理证实的15例室管膜瘤和10例星形细胞瘤的MRI表现。结果 两者的平扫MRI表现类似,即疾病变节段脊髓增粗,T1WI呈低信号,边界欠清,T2WI呈高信号。16例患者肿瘤头尾侧可见囊变。6例室管膜瘤行增强T1WI,肿瘤实体部分都均匀强化。4例星形细胞瘤行增强T1WI,1例肿瘤实体部分均匀强化,1例欠均匀强化,2例无强化。结论 MRI有助于两者的诊断及其鉴别诊断。
Abstract:
Objective To evaluate the magnetic resonance imaging (MRI) featuresof intramedullary spinal cord ependymomas (INSE) and astrocytomas. Methods Retrospective analyses of the MRI images were conducted in 15 cases of INSE and 10 cases of astrocytoma. Results MRI appearances were similar in the 2 types of neoplasms, both showing enlargement of the involved spinal cord segments, low signal and blurred boundary on T1-weighted imaging, and high signal on T2-weighted imaging. Peritumoral cyst formation were found in 16 patients. Contrast enhancement was homogeneous in 6 cases of ependymomas and 1 of astrocytoma, heterogeneous in 1 astrocytoma case, and no enhancement in 2 astrocytoma cases. Conclusion MRI is helpful in the diagnosis and differential diagnosis of INSE and astrocytomas.

参考文献/References:

[1] 张雪林.磁共振成像(MRI)诊断学[M].北京:人民军医出版社,2001.308-14.
[2] Miyazawa N, Hida K, Iwasaki Y, et al. MRI at 1.5 T ofintramedullary ependymoma and classification of pattern of contrast enhancement[J]. Neuroradiology, 2000, 42(11): 828-32.
[3] Koyanagi I I, Iwasaki Y, Hida K, et al. Diagnosis of spinal cord ependymoma and astrocytic tumours with magnetic resonance imaging [J].J Clin Neurosci, 1999, 6(2): 128-32.
[4] Bourgouin PM, Lesage J, Fontaine S, et al. A pattern approach to the differential diagnosis of intramedullary spinal cord lesions on MR imaging[J]. AJR, 1998, 170(6): 1645-9.
[5] Koeller KK, Rosenblum RS, Morrison AL. Neoplasms of the spinal cord and filum terminale: radiologic-pathologic correlation [J]. Radiographics, 2000, 20(6): 1721-49.
[6] Lowe GM. Magnetic resonance imaging ofintramedullary spinal cord tumors[J]. J Neurooncol, 2000, 47(3): 195-210.

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备注/Memo

备注/Memo:
收稿日期:2003-3-12。
作者简介:林日增(1964- ),男,2003年毕业于第一军医大学,博士,副主任医师,电话:0532-3970195,E-mail:linyzqd@sina.com
更新日期/Last Update: 1900-01-01