Uzma Rasool, Saqib-ur Rehman, Saeed Bin Ayaz, Ghulam Rasool Tariq, Ghulam Ghaus Shah.
Frequency of congenital anomalies of the kidney and urinary tract by means of ultrasonography in neonates at a tertiary-care hospital.
Pak Armed Forces Med J Jan ;71(4):1214-17.

Objective: To determine the frequency of congenital anomalies of the kidney and urinary tract by means of ultrasound in neonates. Study Design: Cross-sectional study. Place and Duration of Study: Department of Radiology and Diagnostic Imaging, Rehman Medical Institute, Peshawar, from May 2015 to Jan 2016. Methodology: A total of 150 neonates reporting for routine abdominal ultrasonography were included. Honda Convex Scanner model HS-2000 with probe of frequency of 5-7 MHz was used for the ultrasonography. Results: Mean age of the neonates was 13.8 ± 7.5 days. Seventy-six (50.7%) were male and 74 (49.3%) were female. Congenital anomalies of the kidney and urinary tract were observed in 10 (6.7%) neonates. Most neonates had more than one anomaly. The left side was involved in 6 (4%) neonates while right side was involved in 4 (2.7%). Hydronephrosis was the most common abnormality found in 8 (5.3%) cases. The location of kidneys was abnormal (ectopic) in 2 (1.3%) neonates. Abnormal dimension was seen in seven cases and abnormal corticomedullary differentiation was found in 5 (3.3%) cases. Non-symmetrical cases were 5 (3.3%). Hydroureter was observed in 3 (2%) neonates and urinary bladder was abnormal in 2 (1.3%) neonates. Conclusion: The frequency of congenital anomalies of the kidney and urinary tract in neonates by means of postnatal ultrasonographic scan in our study population was 6.7%. Hydronephrosis was the most common anomaly.

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