| 颅内黑色素瘤的CT和MRI表现 |
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| 引用本文： | 葛鹏飞,罗毅男,付双林,黄海燕,周立祥. 颅内黑色素瘤的CT和MRI表现[J]. 中华放射学杂志, 2004, 38(6): 581-583 |
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| 作者姓名： | 葛鹏飞 罗毅男 付双林 黄海燕 周立祥 |
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| 作者单位： | 130021,长春,吉林大学第一医院神经外科 |
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| 摘 要： | 目的探讨颅内黑色素瘤的CT和MR影像特点。方法回顾性分析1993年以来收治的5例颅内黑色素瘤的CT和MR影像特点。结果原发性黑色素瘤2例，转移性黑色素瘤3例。全部病例均行CT检查，表现为类圆形高密度影4例、类圆形低密度影1例；4例行MR检查，呈短T2、短T2者3例，稍长T1、短T2者1例。结论MRI有助于颅内黑色素瘤的诊断，在一定程度上可以区分原发性和转移性黑色素瘤。
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| 关 键 词： | 颅内黑色素瘤 CT MRI 表现 磁共振成像 |
CT and MRI manifestations of intracranial melanomas |
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| GE Peng-fei,LUO Yi-nan,FU Shuang-lin,HUANG Hai-yan,ZHOU Li-xiang. Neurosurgical Department,The First Hospital of Jilin University,Changchun ,China. CT and MRI manifestations of intracranial melanomas[J]. Chinese Journal of Radiology, 2004, 38(6): 581-583 |
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| Authors: | GE Peng-fei LUO Yi-nan FU Shuang-lin HUANG Hai-yan ZHOU Li-xiang. Neurosurgical Department The First Hospital of Jilin University Changchun China |
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| Affiliation: | GE Peng-fei,LUO Yi-nan,FU Shuang-lin,HUANG Hai-yan,ZHOU Li-xiang. Neurosurgical Department,The First Hospital of Jilin University,Changchun 130021,China |
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| Abstract: | Objective To explore the CT and MR imaging characteristics of intracranial melanomas. Methods CT and MRI characteristics in five patients admitted to our hospital from June 1993 to June 2000 and diagnosed as intracranial melanomas were retrospectively analyzed. Results There were two cases of primary melanoma and three cases of secondary melanoma. All the cases were examined by CT. The lesions presented as high density in 4 cases, and low density in only 1 case. Four cases were examined by MRI. Short T 1 and short T 2 signals were found in 3 cases, and slightly long T 1 and short T 2 signal was found in 1 case. Conclusion There are some special characteristics of melanomas on the MR imaging, which are helpful to ensure the diagnosis and distinguish the primary melanomas from secondary melanomas. |
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| Keywords: | Brain neoplasm Tomography X-ray computed Magnetic resonance imaging |
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