In about half the cases, patients develop a benign kidney tumor.

Some other kidney tumours contain fat, so the presence of fat isn't diagnostic.

Mr. Honecker is hospitalized with a malignant kidney tumor, the agency reported.

And kidney tumors depend to an unusually high degree on that protein, so many companies are testing their drugs in kidney cancer.

Wilm's is most common, accounting for 80-85% of all pediatric kidney tumors.

However, other kidney tumors can cause hypertension by secreting renin.

Possible signs of a kidney tumor include a lump in the abdomen and blood in the urine.

Other childhood kidney tumors, which are diagnosed and treated in different ways, include:

These and other symptoms may be caused by kidney tumors.

An ultrasound of the abdomen is done to diagnose a kidney tumor.