Wilms tumour

Case contributed by Dr Jeremy Jones

Presentation

Abdominal mass.

Patient Data

Age: 3 years
CT

CT abdomen

CT of the abdomen with oral and intravenous contrast demonstrates a very large heterogeneous mass arising from the right kidney, and displacing the remaining renal parenchyma anteromedially. The mass contains mixed solid and cystic areas only only marginally enhances. 

On these images there is no convincing evidence of spread into adjacent structures. There is no convincing involvement of the renal vein or IVC. No convincing nodal or distant metastatic disease in the portions imaged.

Diagrammatic depiction of the claw sign, referring to the sharp angles on either side of the mass which the surrounding normal parenchyma forms when the mass has arisen from the parenchyma. An extrinsic mass pushing in will have blunt rounded interface with the underlying parenchyma. 

Case Discussion

This case demonstrates the typical appearance of a large right-sided Wilms tumour.

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Case information

rID: 8084
Case created: 9th Jan 2010
Last edited: 9th Aug 2017
Tag: kidney
Inclusion in quiz mode: Included

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