B/L FETAL HYDRONEPHROSIS

BILATERAL FETAL HYDRONEPHROSIS

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Fetal hydronephrosis is the most common congenital anomaly detected by ultrasound. It is the abnormal dilation of urinary canals, and its most frequent cause is physiologic (48%), that resolves spontaneously. Almost, there are some pathologic causes: pelvi‐ureteric junction obstruction (11%), extrarenal pelvis (15%), vesicoureteral reflux and megaureter (9%), ureterocele and double kidney (2%), and posterior urethral valves (1%). The most frequent complication is the renal failure. During prenatal and postnatal period, ultrasound is the election diagnostic method. The urinary tract anomalies are 20% of all congenital anomalies. In fact, hydroneprosis have an incidence of 2–5,5%, and a newborn prevalence of 0,5 – 4,5%. Only 17 – 30% are bilateral with a poor prenatal prognosis. In the second and third trimester oligohydramnios is the first cause; and in the postnatal period this is the first cause of permanent renal impairment.

Post valve constriction with bilateral hydronephrosis In etal usg

Thanx dr Vipin Bihari Jain
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Gestational age ?

Thanks Dr. Shivraj Agrawal
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Calc carb calc phos

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