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Reprod. Med.
Volume 2
Issue 4
10.3390/reprodmed2040017
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Case Report

Prenatal Diagnosis of Severe Fetal Hydronephrosis Due to Pyeloureteral Junction Syndrome with False Neonatal Resolution

by
Gerarda Gaeta
1,†,
Mirko Pozzoni
1,†,
Audrey Serafini
1,
Arianna Lesma
2,
Pier Luigi Paesano
3,
Massimo Candiani
1 and
Paolo Ivo Cavoretto
1,*
1
Department of Obstetrics and Gynecology, San Raffaele Scientific Institute, 20132 Milan, Italy
2
Department of Urology, San Raffaele Scientific Institute, 20132 Milan, Italy
3
Department of Radiology, San Raffaele Scientific Institute, 20132 Milan, Italy
*
Author to whom correspondence should be addressed.
†
Authors contributed equally to this paper.
Reprod. Med. 2021, 2(4), 163-170; https://doi.org/10.3390/reprodmed2040017
Submission received: 9 October 2021 / Revised: 23 October 2021 / Accepted: 2 November 2021 / Published: 15 November 2021
(This article belongs to the Special Issue Advances in Fetal Medicine)
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Abstract

A case of severe fetal hydronephrosis due to isolated bilateral stenosis of the pyelo-ureteral junction was diagnosed at our centre. Surprisingly, a negative renal ultrasound scan was performed on the 3rd postnatal day. An ultrasound follow-up showed severe bilateral pyelectasis a few weeks later. The infant underwent bilateral pyeloplasty at six months of age with an excellent outcome. Such a neonatal picture may be due to the reduction of urinary output secondary to excessive postnatal weight loss and dehydration. In this case, prenatal ultrasound result was more reliable than postnatal ultrasound, emphasizing the importance of postnatal urologic follow-up after prenatal indication.
Keywords: ultrasound; prenatal diagnosis; hydronephrosis; pyelo-ureteral junction stenosis; dehydration ultrasound; prenatal diagnosis; hydronephrosis; pyelo-ureteral junction stenosis; dehydration

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MDPI and ACS Style

Gaeta, G.; Pozzoni, M.; Serafini, A.; Lesma, A.; Paesano, P.L.; Candiani, M.; Cavoretto, P.I. Prenatal Diagnosis of Severe Fetal Hydronephrosis Due to Pyeloureteral Junction Syndrome with False Neonatal Resolution. Reprod. Med. 2021, 2, 163-170. https://doi.org/10.3390/reprodmed2040017

AMA Style

Gaeta G, Pozzoni M, Serafini A, Lesma A, Paesano PL, Candiani M, Cavoretto PI. Prenatal Diagnosis of Severe Fetal Hydronephrosis Due to Pyeloureteral Junction Syndrome with False Neonatal Resolution. Reproductive Medicine. 2021; 2(4):163-170. https://doi.org/10.3390/reprodmed2040017

Chicago/Turabian Style

Gaeta, Gerarda, Mirko Pozzoni, Audrey Serafini, Arianna Lesma, Pier Luigi Paesano, Massimo Candiani, and Paolo Ivo Cavoretto. 2021. "Prenatal Diagnosis of Severe Fetal Hydronephrosis Due to Pyeloureteral Junction Syndrome with False Neonatal Resolution" Reproductive Medicine 2, no. 4: 163-170. https://doi.org/10.3390/reprodmed2040017

APA Style

Gaeta, G., Pozzoni, M., Serafini, A., Lesma, A., Paesano, P. L., Candiani, M., & Cavoretto, P. I. (2021). Prenatal Diagnosis of Severe Fetal Hydronephrosis Due to Pyeloureteral Junction Syndrome with False Neonatal Resolution. Reproductive Medicine, 2(4), 163-170. https://doi.org/10.3390/reprodmed2040017

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