Most common cause of abdominal mass in neonates is?: (A) Neuroblastoma, (B) Multicystic dysplastic kidney, (C) Polycystic kidney, (D) Umbilical hernia
Answer is B. b. Multicystic dyspiastic kidney(Ref: Nelson's 20/e p 2513)Multicystic dyspiastic kidneyQ is the most common cause of abdominal mass in a neonate.