By the way, doctor: Should I be worried about a kidney cyst?
When a kidney cyst is detected, the first step is to determine whether it's "simple" or "complex." Simple kidney cysts are thin, round sacs filled with clear fluid, and they're not cancerous. Complex cysts may have thick walls, several lobes, calcium flecks, or solid components. Even complex kidney cysts are usually benign, but they do need to be evaluated to make sure they don't contain cancer. The first step is to get a better look using an MRI or CT scan. A urologist will examine the scan and recommend watchful waiting, biopsy, or removal.
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About the Author
Celeste Robb-Nicholson, MD, Contributor
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