49-year-old male with left upper pole renal mass and prior lumbar spine CT RIGHT KIDNEY: The right kidney measures 10.7 cm in length. There are shadowing calcifications without hydronephrosis which may be due to nonobstructing stones or medullary calcification. No mass identified.LEFT KIDNEY: The left kidney measures 10.8 cm in length. There is an ovoid simple -- appearing cyst arising from the extreme upper pole corresponding to the CT abnormality measuring 1.8 cm in greatest diameter. Presumably this represented a complicated cyst on prior CT. Very small lower pole simple cyst. No hydronephrosis or shadowing calculus.OTHER: No significant abnormalities noted.
Left renal cyst corresponding to CT abnormality.