Neonatal hydronephrosis

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With fetal abnormalities diagnosed during maternal ultrasound becoming more commonplace, the management of neonatal hydronephrosis has become one of the most interesting and controversial subjects in pediatric urology. Although it is recognized that obstruction must be treated, it is also clear that hydronephrosis may well exist without significant obstruction. Numerous experimental and clinical studies of the urinary tract have failed to lead to a clear consensus. Our approach consists of careful observation of patients with moderate hydronephrosis in well functioning kidneys. In patients with reduced function or a renal pelvic diameter of greater than 3 cm and dilated calyces, we lean more towards surgical intervention. Overall, an individualized approach is necessary. Curr Opin Urol 8:495–500. © 1998 Lippincott Williams & Wilkins

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