[1]林亚南,程敬亮,张勇,等.大脑凸面小型脑膜瘤瘤周水肿的MRI表现与其病理亚型的关系[J].陆军军医大学学报(原第三军医大学学报),2013,35(04):347-350.
　Lin Yanan,Cheng Jingliang,Zhang Yong,et al.MRI findings of peritumoral edema in convex surface small meningioma and its pathological subtypes[J].J Amry Med Univ (J Third Mil Med Univ),2013,35(04):347-350.
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陆军军医大学学报（原第三军医大学学报）[ISSN:1000-5404/CN:51-1095/R]

卷:
35卷
期数:
2013年第04期
页码:
347-350
栏目:
论著
出版日期:
2013-02-28

文章信息/Info

Title:
MRI findings of peritumoral edema in convex surface small meningioma and its pathological subtypes
作者:
林亚南; 程敬亮; 张勇; 王斐斐; 孙梦恬; 杨璐
郑州大学第一附属医院磁共振科
Author(s):
Lin Yanan;  Cheng Jingliang;  Zhang Yong;  Wang Feifei;  Sun Mengtian;  Yang Lu
Department of MRI, First Affiliated Hospital, Zhengzhou University, Zhengzhou, Henan Province, 450052, China
关键词:
脑膜瘤; 瘤周水肿; 磁共振成像; 病理亚型
Keywords:
meningioma; peritumoral edema; MRI; pathological subtype
分类号:
R445.2；R442.5；R739.45
文献标志码:
A
摘要:
目的      利用磁共振成像探讨大脑凸面小型脑膜瘤瘤周水肿与脑膜瘤病理亚型之间的关系。      方法      收集郑州大学第一附属医院2008年5月至2011年12月经手术病理证实的脑膜瘤患者46例，其中男性11例，女性35例。46例脑膜瘤患者术前均行MRI平扫及增强检查。      结果      本组46例大脑凸面小型脑膜瘤磁共振表现多为T1WI等信号，T2WI等信号，增强T1WI多为明显均匀强化。本组脑膜瘤瘤周水肿的发生率为50%。但是不同病理亚型脑膜瘤瘤周水肿程度不同。其中瘤周水肿的最大径值自高而低排序的脑膜瘤病理亚型分别是：血管瘤型、微囊型、纤维型、上皮型、混合型和砂粒体型。横纹肌型、脊索型及乳头型脑膜瘤未见瘤周水肿。      结论      磁共振成像能准确显示脑膜瘤瘤周水肿，不同病理亚型脑膜瘤瘤周水肿发生机制不同。
Abstract:
Objective      To investigate the correlation between the MR image of peritumoral edema and pathological subtype of convex surface and small meningioma.       Methods      Clinical data of 46 patients with histologicallyproven convex surface small meningioma (11 males and 35 females) who received surgery in our hospital during May 2008 to December 2011 were enrolled in this study. Their preoperative MR images were collected and retrospectively analyzed with their clinical data.       Results      In our series of 46 cases of meningiomas, most MR findings are isointensity on T1WI and T2WI, and the enhanced T1WI are obvious and homogeneous enhancement. There were 23 cases (50%) showing peritumoral edema. But there was no correlation of degree of peritumoral edema with different patholoical subtypes. The patholoical subtypes with larger diameter of peritumoral edema was as following in a descending order: angiomatous, microcystic, fibrous, meningothelial, mixed, and psammomatous. But no edema was found in rhabdoid, chordoid and papillary meningiomas.       Conclusion      MR imaging could show the peritumoral edema. Various pathological subtypes of meningiomas have different mechanisms of peritumoral edema.

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更新日期/Last Update: 2013-02-25