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中枢神经细胞瘤的MRI及MRS诊断 被引量:2

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摘要 目的探讨中枢神经细胞瘤(CNC)的临床病理特点及MRI、MRS影像特征,以提高对本病的认识。方法回顾性分析14例手术病理证实为CNC患者的MRI及MRS表现,并结合文献进行探讨。结果 14例中,11例位于侧脑室前2/3、透明隔或孟氏孔区,1例位于额叶,1例位于第四脑室内,1例位于小脑蚓部,以实性部分为主,T1WI上为不均匀的等低信号,T2WI上呈等高信号,其内可见囊变、钙化、出血或流空血管,增强后肿瘤轻-中度强化,1H-MRS表现为明显升高的Cho峰,NAA降低,同时出现Gly峰,缺乏Ala峰和Glx峰。结论中枢神经细胞瘤的MRI表现具有一定特征性,结合MRS有助于鉴别诊断,有望在术前作出正确诊断,避免误诊。
出处 《中国现代医生》 2011年第8期75-77,共3页 China Modern Doctor
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参考文献12

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二级参考文献31

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