renal masses in children

• hydronephrosis

• obstructed duplication

• multicystic dysplastic kidney
  • 2nd most frequent abdominal mass in the neonate
  • ureteropelvic atresia during metanephric intrauterine phase
  • 40% contralateral involvement

• mesoblastic nephroma
  • most common newborn solid renal tumor

• Wilms tumor

• multiloculated cystic nephroma
  • multiple noncommunicating cysts

© 2002, C.E. Kahn, Jr.
2002-04-18