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颅内血管外皮细胞瘤与脑膜瘤的MR影像对照分析 预览 被引量:2

Contrast analysisof MR imaging manifestations of intracranial hemangiopericytoma and meningioma
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摘要 目的:探讨脑膜瘤及颅内血管外皮细胞瘤的MR影像表现并进行对照。方法:选择36例颅内血管外皮细胞瘤患者,同时选取同期接收的颅内脑膜瘤220例患者,均经手术和病理证实,并经MR检查,对两组患者MR影像表现进行单因素及多因素分析。结果:在单因素分析中,肿瘤形态、肿瘤内坏死囊变信号、T1WI、T2WI信号强度、肿瘤内血管留空信号、肿瘤附着硬膜类型、肿瘤增强均匀性等9个因素间两组比较有统计学意义(P〈0.05);变量肿瘤形态、T2WI信号强度、硬膜尾征在Logistic回归方程中P值均〈0.05。结论:在诊断脑膜瘤和血管外皮细胞瘤困难时,MR影像肿瘤呈"无硬膜尾征"、T2WI呈等高混杂信号影、形态呈分叶状时,可初步诊断为血管外皮细胞瘤,否则为脑膜瘤。 Objective: To investigateand compare MR imaging manifestations of meningioma and intracranial hemangiopericy-toma. Methods : 36 patients with intracranial hemangiopericytoma were selected, and 220 patients adopting the operation of meningio-ma at the same time were also chosen. All the diseased we e confirmed operatively and pathologically, and all the patients had received the MR examination. The single factor analysis and multiple factor analysis were perfor^ned on the MR imaging manifestations of the two groups. Results: According to the single factor analysis,the tumor morphology, intratumoral necrosis and cystic signal, T1WI and T2WI signal strength, flow-empty signals, attached epidurals and signal enhancement unifor^mity between the two groups were signifi-cantly different ( P 〈0. 05). According to Logistic regression equation, the multiple factors included tumor morpholog^^,T2WI signal strength and epidural tail signs ( P 〉0. 05). Conclusions : During the differential diagnosis of meningioma and intracranial hemangio-pericytoma, the initial MR imaging of intracranial hemangiopericytoma is featured as "no epidural tail signs" ,high signal or mixed sig-nal of T2WI and lobulated shape. Otherwise, it can be confirmed as meningioma in clinical practice.
作者 许来艳 XU Laiyan(The Medical Group Of Zhengzhou First People's Hospital, Zhengzhou Henan 450000, China)
出处 《中国民康医学》 2017年第14期63-64,67共3页 medical journal of chinese peoples health
关键词 MR影像 颅内血管外皮细胞瘤 脑膜瘤 MR imaging Intracranial hemangiopericytoma Meningioma
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