【中图分类号】R739.41【文献标识码】A【文章编号】1185-1672(2009)-12-1103-02

    【摘要】目的通过分析颅内原发淋巴瘤的影像表现,以提高诊断准确率。方法回顾分析6例临床确诊的颅内原发淋巴瘤的影像资料,分析病灶的分布、形态、信号特点及强化特征。结果MRI显示4例为单发,2例为多发,主要病灶共9个,均位于幕上,其中位于大脑半球深部7个,灰白质交界区1个,累及胼胝体1个。病灶形态多为类圆形、团块或不规则状,边界较清晰,瘤周水肿及占位效应较轻。病灶T1WI呈等或略低信号,T2WI为等或略高信号。增强后所有病灶呈团块状或环状显著强化。结论颅内原发淋巴瘤MRI表现及强化形式具有一定特征性,但仍须结合临床才能有效提高诊断准确率。

    【关键词】淋巴瘤;磁共振成像;颅内;病理学

    Primaryintracraniallymphomaoftheperformanceofhigh-fieldMRI

    GuWei

    QidongCity,JiangsuProvincePeople'sHospitalRadiologyDepartment,226200,China

    【Abstract】Objective

    Toanalyzetheprimaryintracraniallymphomaoftheimagingfindingsinordertoimprovediagnosticaccuracy.Methods

    Aretrospectiveanalysisofsixcasesofclinicallyconfirmedprimaryintracraniallymphomaoftheimagedata,analyzingthedistributionoflesions,morphology,signalcharacteristicsandenhancementpatterns.Results ......