Isthmus Undivided Bilateral Nephrectomy in a Patient with Polycystic Horseshoe Kidney

Horseshoe kidney is a type of renal fusion by the lower poles anomaly during embryogenesis.Polycystic kidney that occurs in adults is an autosomal dominant disease due to the genetic mutations leading to the expression of the proteins polycystin 1 (ADPKD1) and polycystin 2 (ADPKD2).The two kidney diseases are common congenital disorders respectively,but it is very rare for one patient to have both anomalies simultaneously with the incidence of 1 in 134,000-1 in 8,000,000.