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让学习成为一种习惯！ 医学影像服务中心国内首家开通医学影像自动学习功能，目前上线有数百例影像病例及典型征象、解剖、国内外精品讲座、影像医事以及三基、上岗证考试等内容。小编 ------推广------ 本期病例选自AJNRCaseoftheWeek BPKrishnaPrasad,1SwatiChinchure,1ZSLakhani,1NandaKachare21ClinicalRadiology,Imaging,andInterventionalRadiology2SurgicalPathologyAsterMedcityHospital,ChernelloorKochi,Kerala,India 双语学影像授权发送 病史A34-year-oldwomanwithheadache,impairedhearinginrightear,andimbalancefor3months 女性34岁，近3个月出现头痛、右耳听力下降、身体不平衡。 图例AxialT1WI(A),postcontrastaxialT1WI(B),postcontrastcoronalT1WI(C),andaxialT2WI(D)showawelldefinedT1-hypointense,T2-hyperintense,andstronglyenhancinglesionintherightcerebellopontineangleextendingfromtherightjugularforamen,causingwideningofthejugularforamenanddeformityofthebrainstem,fourthventricle,andcerebellum.Therightinternalauditorycanal(D)isnormal.Thereisnoextracranialextension.AxialT2*-weightedgradientechoimage(E)showsmultipleintratumoralmicrohemorrhages. 横断位T1WI平扫（A）、横断位及冠状位增强扫描（B、C）、横断位T2WI平扫示右侧桥小脑角区至颈静脉孔区肿块，边界清楚，T1WI呈低信号，T2WI呈高信号，增强扫描明显强化。颈静脉孔增宽，脑干、第四脑室、小脑受压变形。右侧内听道正常（D）。脑内无明显肿瘤侵犯。横断位GRET2*WI（E）示瘤内可见多个微出血灶。 Photomicrograph(F)showsfasciclesofspindlecellswithbucklednuclei(inset)ofneuralorigin. 镜下可见起源于神经的梭形细胞呈束状排列。 JugularSchwannoma 颈静脉孔神经鞘瘤 背景Jugularschwannomasareveryraretumors,accountingforabout2–4%ofintracranialschwannomas 颈静脉孔神经鞘瘤是一种少见肿瘤，约占全部颅内神经鞘瘤的2-4% 临床表现Theyoccur白癜风该如何治疗白癜风治疗知名医院
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