“…Wilms tumor, also called nephroblastoma, is the commonest primary malignant renal tumor in children accounting for 6% of overall childhood malignancies and more than 90% of pediatric renal tumors [5] , [6] , [7] , [8] . Most (~95%) cases of Wilms tumors are sporadic and few cases may occur in association with other congenital malformations such as aniridia, hemihypertrophy, cryptorchidism, hypospadias, gonadal dysgenesis, pseudohermaphroditism, and horseshoe kidney, or genetic syndromes such as Beckwith-Wiedemann syndrome, Denys-Drash syndrome, and WAGR syndrome (Wilms tumor, aniridia, ambiguous genitalia, mental retardation) [9] , [10] , [11] , [12] .…”