双语病例弥漫性内生性脑桥胶质瘤DI
提示:文末附“往期CNS双语病例链接”
History:An8-year-oldgirlpresentswithpersistentheadachesforthepastseveralweeksandnauseaandvomitingforpastseveraldays.
病史:8岁女孩,持续性头痛数周,恶心、呕吐数天。
ACTscanoftheheadwasobtainedintheemergencydepartment.
行急诊颅脑CT平扫
MRimagesThepatientwasadmittedforfurtherevaluation.AnMRIexamoftheheadwasobtained.Inorder:axialfluid-attenuatedinversion-recovery(FLAIR),coronalFLAIR,sagittalT-weighted,anddiffusion-weightedimages(DWI),aswellasapparentdiffusioncoefficient(ADC)map.
进一步行颅脑MR扫描:轴位/冠状FLAIR、矢状TWI、DWI、ADC图。
PostcontrastsagittalT1-weightedimageisshownbelow.
矢状增强图像如下所示。
Findings
CT:Thereisahypodenseexpansilemasscenteredinthepons.
MRI:ThereisanexpansilemassintheponsthatishomogenouslyT1-isointenseandT-hyperintense,anditdoesnotexhibitenhancementorrestricteddiffusion.
影像表现:
CT:脑桥为中心的低密度膨胀性肿物
MR:脑桥膨胀性肿物呈均匀等T1长T信号,无强化,无弥散受限。
Differentialdiagnosis
Diffuseintrinsicpontineglioma
Tectalglioma
Neurofibromatosistype1
Osmoticdemyelinationsyndrome
Acutedisseminatedencephalomyelitis
鉴别诊断:
弥漫性内生性脑桥胶质瘤
顶盖胶质瘤
神经纤维瘤病1型
渗透性脱髓鞘综合征
急性播散性脑脊髓炎
Diagnosis:Diffuseintrinsicpontineglioma
最后诊断:弥漫性内生性脑桥胶质瘤
KeypointsDiffuseintrinsicpontineglioma
弥漫性内生性脑桥胶质瘤
Background
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