小脑血管母细胞瘤MRI表现与病理特征对照分析.doc

小脑血管母细胞瘤MRI表现与病理特征对照分析
作者:李兰涛荆航徐静杨奉常林红雨刘慧敏
【摘要】目的探讨小脑血管母细胞瘤的MRI表现与病理特征之间的联系。方法回顾性分析经手术病理证实的27例小脑血管母细胞瘤,探讨其MRI表现及病理特征。结果 MRI表现为大囊小结节型 19例,实质型 7例,单纯囊性型1例。T1WI上肿瘤囊性部分呈均匀低信号,瘤结节或实性部分呈稍低或等信号;T2WI及FLAIR上肿瘤囊性部分呈均匀高信号,瘤结节或实性部分呈稍高信号;增强后瘤结节或实性部分明显强化。结节或实性部分主要由间质细胞构成,囊性部分主要由毛细血管网组成。结论小脑血管母细胞瘤的MRI表现具有特征性,且与其病理基础密切相关。MRI是诊断该病的有效方法。

【关键词】小脑;血管母细胞瘤;磁共振成像;病理学
[ABSTRACT] Objective To analyze the association between MRI and pathological manifestations of HippelLindan syndrome (HP syndrome). Methods A retrospective study was done in 27 cases of HP syndrome confirmed pathologically, of which their MRI and pathological findings were analyzed. Results On MRI: 19 were large
cysticwithsmallnodule type, seven solidmass type, and one purelycystic. On T1weighted imaging (T1WI), the cystic part of the tumor showed welldistributed low signal intensity, the nodule or the solid part showed slightly low signal intensity or isointensity; On T2WI and FLAIR, the cystic part displayed evenlyhigh intensity, and the nodules or the solid mass manifested a slightly high signal intensity. The nodules or the solid part could be significantly enhanced. The nodules or the solid mass posed of interstitial cells, while the cysts were mainly work. Conclusion The MRI of HippelLindan syndrome is characteristic that closely related to its pathology, which is an effective method for the diagnosis of the