• 1
    Corteville JE, Gray DC, Crane JP. Congenital hydronephrosis; correlation of fetal ultrasonographic findings with infant outcome. Am J Obst Gynec 1991; 165: 3847
  • 2
    Helin I, Person PH. Prenatal diagnosis of urinary tract abnormalities by ultrasound. Pediatrics 1986; 78: 87982
  • 3
    Ransley P, Dhillon H, Gordon I et al. The postnatal management of hydronephrosis diagnosed by prenatal ultrasound. J Urol 1990; 144: 5847
  • 4
    Arnold AJ, Rickwood AMK. Natural history of pelvi-ureteric obstruction detected by prenatal sonography. Br J Urol 1990; 65: 916
  • 5
    Madden NP, Thomas DFM, Gordon AC et al. Antenatally detected pelvi-ureteric junction obstruction. Is non-operation safe? Br J Urol 1991; 68: 30510
  • 6
    King L, Coughlin P, Bloch EC et al. The case for immediate pyeloplasty in the neonate with ureteropelvic junction obstruction. J Urol 1984; 132: 7258
  • 7
    Koff SA, Campbell KD. The nonoperative management of unilateral neonatal hydronephrosis: natural history of poorly functioning kidneys. J Urol 1994; 152: 5935
  • 8
    McAleer IM, Kaplan GW. Renal function before and after pyeloplasty: does it improve? J Urol 1999; 162: 10414
  • 9
    Koff SA. Neonatal management of unilateral hydronephrosis: role for delay intervention. Urol Clin N Am 1998; 25: 1814
  • 10
    Palmer LS, Maizels M, Cartwright PC et al. Surgery versus observation for managing obstructive grade 3–4 unilateral hydronephrosis: a report from the Society for Fetal Urology. J Urol 1998; 159: 2225
  • 11
    Subramaniam R, Kouriefs C, Dickson AP. Antenatally detected pelvi-ureteric junction obstruction: concerns about conservative management. BJU Int 1999; 84: 3358DOI: 10.1046/j.1464-410x.1999.00201.x
  • 12
    Chertin B, Fridmans A, Kniznic M et al. Does early detection of ureteropelvic junction obstruction improve surgical outcome in terms of renal function? J Urol 1999; 162: 103740
  • 13
    Zaccara A, Marchetti P, La Sala E et al. Are preoperative parameters of unilateral pyelo-ureteric junction obstruction in children predictive of postoperative function improvement? Scand J Urol Nephrol 2000; 4: 1658
  • 14
    Dhillon HK. Prenatally diagnosed hydronephrosis: the Great Ormond Street experience. BJU Int 1998; 81: 3944
  • 15
    Ulman I, Jayanthi V, Koff SA. The long-term follow-up of newborns with severe unilateral hydronephrosis initially treated nonoperatively. J Urol 2000; 164: 11015
  • 16
    Cornford PA, Rickwood AMK. Functional results of pyeloplasty in patients with antenatally diagnosed pelvi-ureteric junction obstruction. BJU Int 1998; 81: 1525
  • 17
    Capolicchio G, Leonard MP, Wong C et al. Prenatal diagnosis of hydronephrosis: impact on renal function and its recovery after pyeloplasty. J Urol 1999; 162: 102932
  • 18
    Society for Fetal Urology and Pediatric Nuclear Medicine Council. The ‘well-tempered’ diuretic renogram: a standard method to examine the asymptomatic neonate with hydronephrosis or hydroureteronephrosis. J Nucl Med 1992; 33: 204750
  • 19
    Fernbach SK, Maizels M, Conway JJ. Ultrasound grading of hydronephrosis: introduction to the system used by the Society for Fetal Urology. Pediatr Radiol 1993; 23: 47880
  • 20
    Ransley P, Manzoni G. Extended role of DTPA scan in assessing function and UPJ obstruction in neonate. Dial Ped Urol 1985; 8: 68


  1. Authors

B. Chertin, MD, Senior Research Fellow.

U. Rolle, MD, Senior Research Fellow.

A. Farkas, MD, FAAP, Head of Department.

P. Puri, MS, FRCS, FRSC(Ed), FACS, Consultant Paediatric Surgeon and Director.


Society for Fetal Urology.