蝶窦弥漫性大B细胞淋巴瘤一例

Journal of Clinical Radiology（2019）

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Abstract

患者男,78岁.因“头晕1月余,右侧面部麻木三天”入院.体检:无明显异常.血象及生化检查正常.影像检查:CT平扫见蝶窦内4.1 cm×3.5 cm×4.6 cm软组织肿块,密度不均,向前侵犯后组筛窦,右侧翼腭窝、蝶窦右壁及后壁骨质吸收变薄,增强扫描肿块不均匀强化(图1～3).MRI见蝶窦扩大,其内充满等T1、稍长T2信号,部分病灶呈稍长T1、稍长T2信号,向前延伸到后组筛窦,增强扫描实性部分轻度强化,囊性部分未见强化;扩散加权成像(DWI)呈稍高信号(图4～6).

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