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Renal rhabdoid tumor

Case contributed by Dr Jeremy Jones


Abdominal distension. No pain.

Patient Data

Age: 4 years
Gender: Male

Huge mass in the right upper abdomen situated between the liver and kidney.


Large mass lesion in the right upper abdomen. The claw sign confirms that the mass arises from the right kidney and top of the differential is Wilm's tumor.

Case Discussion

The mass was biopsied and the diagnosis confirmed as a renal rhabdoid tumor rather than Wilm's.

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