Infant with hematuria

CT of rhabdoid tumor of kidney
Axial (above), coronal (below left) and sagittal (below right) CT with contrast of the abdomen shows a large mass arising from within the right kidney. A claw sign is present. Inferolaterally, the mass extends outside the renal capsule. There is also lymphadenopathy encircling the aorta.

The diagnosis was rhabdoid tumor of the kidney.