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本期病例选自AJNRCaseoftheWeek
SriramPatwari,MDColumbiaAsiaRadiologyGroupBangalore,IndiaDescription病史简介
A30-year-oldmanwithahistoryoflowbackpainandbilateralparesthesiainthelowerlimbs
30岁男性，下腰痛，双下肢感觉异常。
Legends图例
Thereisawell-definedT2-hyperintense(A),T1-hypointense(B)nonenhancing(C)intra-andextramedullarylesionlocatedattheconus/caudaequina,withrestricteddiffusiondemonstratedonDWIandADCmaps(DandE).
脊髓圆锥马尾区可见一边界清楚的长T1长T2异常信号，病灶位于脊髓内-外，增强扫描无明显强化，DWI示病灶弥散受限。
IntraspinalEpidermoidCyst
椎管内表皮样囊肿
Background背景
Intraspinalepidermoidcystsrepresentgreaterthan1%ofintraspinaltumorsinadults(more
