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I am a female with multi-focal lesions in my left kidney. The largest one is a 2.6 cm fat poor angiomyolipoma. The smaller ones are about 8 mm to 1.4 cm but they have not been biopsied, therefore, I'm concerned that one or more could be cancerous. They apparently look similar to the fat poor AML on CT and MRI. How likely is it for someone to have different types of tumors in the same kidney? Also, is there an advantage to waiting until the smaller tumors become larger before having another biopsy? Thank you.


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replied April 8th, 2017
Kidney Conditions Answer A60802
Hello and Welcome

I appreciate your concern

Without histopathology / tissue based diagnosis, its not possible to know or predict malignancy or malignant potential. Taking a biopsy depends upon the expertise of the nephrologist/ pathologist. Its mostly done with ultrasound guidance so the location and size can be determined more accurately.

Wishing you best of health

Thanks


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