| 脑膜转移瘤的磁共振成像表面及诊断价值 |
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| 引用本文： | Wang R,Mao M. 脑膜转移瘤的磁共振成像表面及诊断价值[J]. 中华肿瘤杂志, 1998, 20(6): 443-444 |
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| 作者姓名： | Wang R Mao M |
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| 作者单位： | 重庆市肿瘤研究所 |
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| 摘 要： | 目的 分析脑膜转移瘤的多种磁共振成像（ＭＲＩ）表面形式,探讨ＭＲＩ对脑膜转移瘤的诊断价值。方法 选择临床症状典型和（或）ＣＳＦ细胞学检查阳性,有增强前后ＭＲＩ扫描的脑膜转移瘤患者２３例进行分析。结果 ２２例于注射造影剂后发现异常;１例仅有脑室扩张,无强化。脑膜转移瘤有４种表现形式：（１）全脑膜强化。（２）光滑或结节样节段性脑膜强化。（３）室管膜强化。（４）脑室扩张。结论ＭＲＩ是诊断脑膜转移瘤的重要
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| 关 键 词： | 脑膜瘤 诊断 磁共振成像 转移瘤 |
Manifestation and diagnostic value of MR imaging in meningeal carcinomatosis |
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| Wang R,Mao M. Manifestation and diagnostic value of MR imaging in meningeal carcinomatosis[J]. Chinese Journal of Oncology, 1998, 20(6): 443-444 |
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| Authors: | Wang R Mao M |
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| Affiliation: | MRI Department Chongqing Cancer Institute. |
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| Abstract: | OBJECTIVE: To analyze the patterns of MRI manifestation, and to investigate the value of MRI in diagnosis of meningeal carcinomatosis. METHODS: Twenty three cases with meningeal carcinomtosis were analyzed. All cases had pre- and post- contrast MR imagings, typical clinical symptoms and/or positive CSF examination. RESULTS: Of the 23 cases, 22 had abnormal post-contrast meningeal enhancement. The remaining case had hydrocephalus without any enhancement. There were four abnormal MRI patterns: (1)total meningeal enhancement, (2) smooth or nodular enhancement of parts of the meninge, (3)subependymal enhancement, (4)hydrocephalus only. CONCLUSION: MRI is an important assistant method in diagnosis of meningeal carcinomatosis. Post-contrast MRI is mandatory. |
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