Komarabattina Rattaiah1, Kotikala Prabhakara Rao2

INTRODUCTION: The subject of congenital renal anomalies including their incidence had created much interest to scientists in late 1950's & 1960's with the aim of prevention and curing them & inculcate knowledge to Urologists & Surgeons.

MATERIALS AND METHODS: The present study is undertaken on congenital renal anomalies of 176 kidneys from cadavers, 60 from sonograms and 40 from stillborn fetal kidneys; SMC Vijayawada and KMC Warangal.

RESULT AND DISCUSSION: In the present study renal specimens of fetal kidneys show unilateral agencies1 of specimen no 176; the cause is due to involution of multi cystic or dysplastic kidney2 occurs in the 4th week of gestation affecting mesonephric duct and its ureteric bud. Congenital anomalies of the urinary tract rank third or fourth in position, seen in 2 to 3% of population and the study being useful for clinicians and urologists at large.