Congenital mesoblastic nephroma


Solid tumor of the kidney composed of immature mesen­chymal cells and renal components.


* Enlarged kidney * Distorted kidney * Kidney tumor * Abdominal mass * Polyhydramnios * Premature labor * Asymptomatic


The therapy of choice is resection of the tumor in the neonatal period . Although most patients can be cured by nephrectomy alone, follow-up is mandatory, as the condition can recur.


Surgical resection of congenital mesoblastic nephroma is curative. Adjuvant therapy, such as radiation or chemotherapy, increases morbidity and does not improve the already excellent prognosis . Radiation therapy has been reported to cause scoliosis in some patients