Liu Fang,Yang Wenzhong,Yuan Xianhong,et al.The role of prenatal MRI in evaluating fetal moderatetosevere hydro nephrosis.[J].Journal of Clinical Pediatric Surgery,2018,17(01):23-26.
产前ＭＲＩ在评估胎儿中重度肾积水中的作用探讨
- Title:
- The role of prenatal MRI in evaluating fetal moderatetosevere hydro nephrosis.
- Keywords:
- Hydronephrosis; Fetus; Magnetic Resonance Imaging
- 文献标志码:
- A
- 摘要:
-
目的 探讨产前ＭＲＩ在评估胎儿中重度肾积水程度及病因中的作用。 方法 选取本
院２０１５年４月至２０１７年３月间经超声筛查发现异常，行产前ＭＲＩ检查诊断为胎儿中重度肾积水的患
者共２６例，扫描序列包括半傅立叶单次激发快速自旋回波（ＨＡＳＴＥ）序列、真稳态进动快速成像（Ｔｒｕｅ
ＦＩＳＰ）序列、Ｔ１ＷＩ及ＤＷＩ。将产前磁共振影像学资料与产后影像学检查及手术情况相对照。 结果
２６例中重度肾积水胎儿中，２３例经手术或尸检病理证实，其中肾盂输尿管移行处狭窄１５例，先天性巨
输尿管４例，先天性巨输尿管伴重复肾３例；后尿道梗阻１例；产前ＭＲ诊断正确２０例；其余３例仍在随
访观察中。 结论 产前胎儿ＭＲＩ检查作为产前筛查的一种辅助检测手段，能进一步明确肾积水的病
因、严重程度及累及范围，填补超声检查的不足。同时，也可让临床医生更加直观地了解病情，为临床诊
疗提供更贴切的依据。
- Abstract:
- ObjectiveEvaluate the role of prenatal MRI in judging etiology and severity of hydronephrosis.Methods26 cases of fetal MRI images,which were screened by Ultrasound Scanning and prenatal MRI results indicate moderate to severe hydronephrosis,were collected from April 2015 to May 2017.Screening sequences include HASTE,TrueFISP,T1WI and DWI sequence.Prenatal MR imaging results were compared with postpartum MR imaging and pathological results after surgery.Results23 cases were confirmed by surgery pathology or autopsy out of 26 total cases,including 15 ureteropelvic junction obstruction cases,4 congenital megaureter cases,3 cases of congenital megaureter with duplex kidney and 1 cases of posterior urethral obstruction.The total valid diagnoses confirmed by prenatal MR are 20 cases,and the rest of the 3 cases are still in the followup observation.ConclusionMRI,as an auxiliary detection method of prenatal screening,can further clarify the etiology,severity and involved extent of hydronephrosis,to fill the lack of ultrasound.Also,it allows clinicians to intuitively understand the patients condition,and provide solid clinical diagnosis and precise treatment for patients.
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