白血病合并肝脏真菌感染的MＲI表现王浩宇，王志群，姚丹，韩永军，于海涛，马福存航天中心医院影像科北京100049【摘要】目的分析白血病合并肝脏真菌感染患者的MＲI表现，探讨其诊断价值。方法选取18例白血病合并肝脏真菌感染患者的临床与影像学资料，所有患者均行MＲI平扫及增强检查，分析其MＲI表现。结果MＲI扫描表现为肝实质内多发结节状及斑片状异常信号。肝内病灶MＲI表现分为3型:I型，环征，MＲI表现为类圆形异常信号灶，病变中心增强扫描未见强化，而病变外周部增强扫描呈环状强化;Ⅱ型，靶征，病变中央可见不规则小结节影，小结节外周可见环状或不规则状T1WI低信号T2WI稍高信号，增强扫描病灶中央小结节可见强化，其周围异常信号在动脉期未见强化，门静脉期可见强化，病变最外缘可见强化;III型，单纯低信号影，MＲI表现为小结节异常信号，病变信号均匀，边缘清楚，增强扫描病变边缘轻度强化，而中心低信号未见强化。结论白血病合并肝脏真菌感染的MＲI表现有一定影像学特点，结合免疫功能缺陷病史有助于早期诊断。【关键词】白血病;真菌感染;磁共振成像;肝脏中图分类号:Ｒ733．7;Ｒ445．2文献标识码:A文章编号:1006-9011(2023)04-0591-04MＲIfindingsoffungalliverinfectioninpatientswithleukemiaWANGHaoyu，WANGZhiqun，YAODan，HANYongjun，YUHaitao，MAFucunDepartmentofＲadiology，AerospaceCenterHospital，Beijing100049，China【Abstract】ObjectiveToanalyzeMＲIfindingsofliverfungalinfectioninpatientswithleukemia，andtoexploreitsdiagnos-ticvalue．MethodsClinicalandMＲIdataof18patientswithleukemiaaccompanyingwithfungalliverinfectionwerecollectedretrospectively．Allpatientsunderwentnon-enhancedandenhancedMＲIscanningandthecharacteristicsofMＲIfindingswerean-alyzed．ＲesultsBasedonMＲIfindings，threedifferenttypesoflesionswerefound．TypeI，ringsign，waslackofenhancementinthecenterofthelesion，while，rimring-like-enhancementwasfound．TypeII，targetsign，theirregularnodulescanbeseeninthecenterofthelesion，thenodulesweresurroundedbyabnormalsignal，whichwereshownringorirregularlowsignalonT1WIandslightlyhighsignalonT2WI;enhancementcanbeseeninthecentralnodulesofthelesion;noenhancementcanbeseena-roundthecentralnodulesinarterialphase，andenhancementwasfoundinporta...
