Prediction of meningioma consistency using fractional anisotropy value measured by magnetic resonance imaging
Prediction of meningioma consistency using fractional anisotropy value measured by magnetic resonance imaging
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DOI：
10.3171/jns-07/10/0784
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发表时间：
2007-10-01
影响因子：
4.1
通讯作者：
Ogawa, Akira
中科院分区：
文献类型：
--
作者：
Kashimura, Hiroshi;Inoue, Takashi;Ogawa, Akira
对象。脑膜瘤的术前规划需要肿瘤一致性、位置和大小的信息。本研究旨在探讨术前磁共振（MR）弥散张量（DT）成像计算的分数各向异性（FA）值是否能预测脑膜瘤的一致性。29例颅内脑膜瘤术前行MR - DT成像，计算肿瘤FA值。术中确定肿瘤一致性为硬或软，并建立肿瘤的组织学诊断。在29例肿瘤中，11例为硬瘤，18例为软瘤。纤维母细胞脑膜瘤的FA值显著高于脑膜上皮脑膜瘤（p = 0.002）。硬瘤FA值显著高于软瘤FA值（p = 0.0003）。Logistic回归分析显示FA值是肿瘤一致性的重要独立预测因子（p = 0.007）。术前磁共振DT成像计算的FA值预测脑膜瘤的一致性。
Object. Preoperative planning for meningiomas requires information about tumor consistency as well as location and size. In the present study the authors aimed to determine whether the fractional anisotropy (FA) value calculated on the basis of preoperative magnetic resonance (MR) diffusion tensor (DT) imaging could predict meningioma consistency.Methods. In 29 patients with intracranial meningiomas, MR DT imaging was performed preoperatively, and the FA values of the tumors were calculated. Tumor consistency was intraoperatively determined as hard or soft, and the histological diagnosis of the tumor was established.Results. Of the 29 tumors, 11 were classified as hard and 18 as soft. The FA values of fibroblastic meningiomas were significantly higher than those of meningothelial meningiomas (p = 0.002). The FA values of hard tumors were significantly higher than those of soft tumors (p = 0.0003). Logistic regression analysis demonstrated that the FA value was a significant independent predictor of tumor consistency (p = 0.007).Conclusions. The FA value calculated from preoperative MR DT imaging predicts meningioma consistency.