| 颅内黑色素瘤MRI诊断 |
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| 引用本文： | 孟庆勇,余永强,钱银锋,柏亚,管松.颅内黑色素瘤MRI诊断[J].实用放射学杂志,2008,24(12):1585-1587. |
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| 作者姓名： | 孟庆勇 余永强 钱银锋 柏亚 管松 |
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| 作者单位： | 安徽医科大学第一附属医院放射科,安徽合肥,230022 |
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| 摘 要： | 目的 探讨颅内黑色素瘤的MRI特征.方法 回顾性分析11例经手术病理证实的颅内黑色素瘤的MRI表现.结果 11例颅内黑色素瘤,共15个病灶,有14个位于幕上,10个病灶伴有出血,4个病灶局部囊变,大部分病灶有不同程度的水肿.颅内黑色素瘤MRI信号表现为:8个病灶T1WI为高信号、T2WI为低信号,3个病灶以T1WI为等信号、T2WI为低信号表现为主的混杂信号,2个病灶以等T1、等T2为主的混杂信号,2个病灶T1WI为低信号、T2WI为高信号;增强后均有不同程度的强化.结论 颅内黑色素性黑色素瘤MRI具有特征性的表现,对于无黑色素性黑色素瘤MRI表现无明显特征,诊断困难.
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| 关 键 词： | 脑 黑色素瘤 磁共振成像 |
MR Imaging Diagnosis of Intracranial Melanoma |
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| MENG Qing-yong,YU Yong-qiang,QIAN Yin-feng,BO Ya,GUAN Song.MR Imaging Diagnosis of Intracranial Melanoma[J].Journal of Practical Radiology,2008,24(12):1585-1587. |
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| Authors: | MENG Qing-yong YU Yong-qiang QIAN Yin-feng BO Ya GUAN Song |
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| Institution: | MENG Qing-yong,YU Yong-qiang,QIAN Yin-feng,BO Ya,GUAN Song(Department of Radiology,the First Affiliated Hospital of Anhui Medical University,Anhui 230022,China) |
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| Abstract: | Objective To investigate the MR characteristics of intracranial melanoma.Methods MR findings in 11 patients with intracranial melanomas verified by operation and pathology were analyzed retrospectively.Results Fifteen lesions were found in 11 patients,among which 14 were located at supratentorial and 1 at infratentorial compartment.Ten lesions accompanied with hemorrhage and 4 with cystic degeneration.Most of lesions had peri-tumor edema in different degrees.Eight lesions demonstrated typical signal intensi... |
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| Keywords: | brain melanoma MR imaging |
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