126·中国CT和MRI杂志2023年02月第21卷第02期总第160期【第一作者】陈希文，男，主治医师，主要研究方向：儿童腹部影像诊断。E-mail：13544431875@163.com【通讯作者】张笑春，女，主任医师，主要研究方向：儿童影像、心脏大血管和胸部影像。E-mail：zxcylxyr@163.com论著MSCTImagingFindingsofMetanephricAdenomainChildrenCHENXi-wen,WUHui-ying,CHENZhen,ZhangXiao-chun*.DepartmentofRadiology,medicalimagingdepartment,Guangzhouwomenandchildren'smedicalcentre,Guangzhou510623,GuangdongProvince,ChinaABSTRACTObjectiveToexploretheMSCTimagingmanifestationsofmetanephricadenoma(MA)inchildren,andimprovetheunderstandinganddiagnosisofchildren’sMA.MethodsTheclinical,imagingandpathologicaldataof6childrenwithMAconfirmedbysurgeryandpathologywerereviewed,andthetumorcharacteristicsandCTmanifestationsweresummarized.ResultsTherewere6casesofMA,5casesoffemaleand1caseofmale,withamedianageof3years.Thelaboratoryshowedanincreaseinredbloodcellsin3cases.Therewere4casesofleftkidneyand2casesofrightkidney,allofwhichweresinglekidney,5casesofexogenousprotrudingkidneyoutline,5casesofregularshape(3casesofroundshape,2casesofovalshape),1caseofirregularlobes,thelargestDiameter2.7~8.1cm,3casesweresolid,3caseswerecystic-solid,thedensityofsolidcomponentofplainscantumorwashigherthanthatofrenalparenchyma,CTvaluewas43~56HU,CTvalueofcysticcomponentwas12~19HU,1casehadspotshapeCalcification,enhancedscantumorcorticalphaseCTvalue52~67HU,parenchymalCTvalue79~97HU,excretionphaseCTvalue89~119HU,theenhancementdegreeofeachstagetumorislowerthantherenalparenchyma,andtheboundarywithsurroundingtissuesisclear,secondaryto2casesTherewasnometastasisorrecurrenceinmildhydronephrosis.ConclusionTheMSCTimagingmanifestationsofchildren'sMAhavecertaincharacteristics,combinedwithpolycythemia,whichmayindicatethedisease,andthefinaldiagnosisrequirespathologicalsupport.Keywords:Children;MetanephricAdenoma;MultisliceSpiralCT后肾腺瘤(metanephricadenoma，MA)约占原发性肾脏肿瘤的0.2％[1]，是一种罕见的肾上皮来源良性肿瘤，易误诊为肾母细胞瘤、非典型血管平滑肌脂肪瘤等。...
