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Kidney Diseases

Cortical cyst



I recently had a CT scan to check out a bladder stone that I developed due to a Prolene stitch in my bladder from a surgery 10 years ago. The CT scan showed a 4-5 mm cortical cyst mid kidney of the left kidney. Is this anything I should be concerned about?


Cysts are often described as simple or complex. If it was a simple cyst there is no worry. If it is a complex cyst it may need further investigation. Ask your doctor what type of cyst this was. The radiologist would have described it in the Xray report.

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Response by:

Thomas   Zipp, MD Thomas Zipp, MD
Assistant Professor of Medicine
School of Medicine
Case Western Reserve University