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原发性脑内恶性淋巴瘤7例的磁共振成像

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摘要 目的:分析原发性脑内恶性淋巴瘤的磁共振成像表现,提高其定性诊断水平。方法:回顾性分析经手术病理证实7例原发性脑内恶性淋巴瘤的磁共振成像资料。结果:4例单发病灶,1例2个病灶,2例多发病灶。肿瘤好发于侧脑室旁深部白质及脑表。肿瘤T1WI和T2WI呈等或稍低信号,增强扫描见肿瘤实质部分明显增强,坏死、囊变少见,2例可见"缺口"、"尖角"征,2例室管膜旁强化。结论:原发性脑内恶性淋巴瘤磁共振成像信号及强化方式具有一定特点,认真分析征象可减少误诊。
出处 《汕头大学医学院学报》 2009年第2期102-104,共3页 Journal of Shantou University Medical College
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