Mesoblastic Nephroma

Etiology: hamartoma of kidney
US: enlarged solid reniform shaped mass in renal fossa
Clinical: most common solid renal mass up to 3 months of age

Cases of Mesoblastic Nephroma

US of mesoblastic nephroma — Transverse (above) and sagittal (below) US images shows an enlarged solid reniform shaped mass in the right renal fossa.

Surgical image of mesoblastic nephroma — Surgical image shows an extremely large right renal tumor displacing the cecum into the left lower quadrant.