摘要
目的：提高对先天性巨输尿管症的认识和诊断。材料和方法：作者总结分析了２６例均经膀胱镜及逆行尿路造影证实的先天非梗阻性巨输尿管症静脉尿路造影的Ｘ线表现。结果：本症以输尿管近膀胱一段短于３．０ｃｍ保持正常管径的无动力非梗阻性狭窄，狭窄段以上输尿管继发性显著扩张为特征，扩张可延及肾盂肾盏。静脉尿路造影表现为主要诊断依据，狭窄段充盈显影呈“鸟嘴”状、“鼠尾”状，少数病例输尿管下段充盈终止呈“杵”状。输尿管行径靠近中线且较直，盆腔段显著扩张呈梭形。排空延缓是本症特征性尿流动力学改变。膀胱镜及逆行尿路造影有助于排除输尿管下段梗阻性疾病。结论：静脉尿路造影为诊断本症的主要方法和依据。
Purpose:Toimproverecognitionanddiagnosisofprimarynon-obstructivemegaureter,Materialsandmethods:TheauthorsanalysedtheX-rayfindingsofurographyof26caseswithprima-rynon-obstructivemegaureterprovedbycystoscopyandretrogradeurography.Results:TheX-rayfindingswereasfolows:intheterminaljuxtavesicalureter,therewasashortsegment,lessthan3cminlength,withnormalcalibrebutadynamictomicturitionandtheureterproximaltotheady-namicsegmentwassecondarilydilatedremarkably,dilatationusualyextendedtothepelvisandca-lyces.Theexactdiagnosisofthisdisordermainlyrelieduponintravenousurography.Theterminala-dynamicsegmentappearedasbird-beaked,rat-tailedandinsomecases,anabruptterminationofthedilatedsegment,likepestle,withoutvisualizationoftheadynamicsegment.Thedilatedureternearthemiddlepartbecomerelativelystraightincourse.Thepelvicsegmentofureterwasthemostdilat-edpartintheureterandspindleshaped.Delayinthepassageofurinewasthecharacteristicdynamicchange.Cystoscopyandretrogradepyelographywerenecessaryandhelpfultoruleoutotherpatholo-gies.Conclusion:Thediagnosiswasnotdificult,contrasturographywasthemainmethodforthedi-agnosis.
出处
《中华放射学杂志》
CAS
CSCD
北大核心
1996年第7期476-479,共4页
Chinese Journal of Radiology
