90-year-old male with acute kidney failure and urinary tract infection. Evaluate for anatomic abnormalities, hydronephrosis, urinary retention. RIGHT KIDNEY: The right kidney measures approximately 9.5 cm in length. There is a complex cyst arising from the upper pole with a single thin to moderate septation. This was present on the prior study but is slightly larger, measuring 3.1 x 3.4 x 3.1 cm on today's exam. No obvious solid component. 2 other smaller cortical cysts are identified.Echotexture likely slightly increased. No hydronephrosis or shadowing calculus.LEFT KIDNEY: Left kidney is difficult to visualize due to positioning and a large lobulated cyst. The major component of this measures 7.3 x 9.8 x 9.9 cm, significantly increased in size when compared to the prior exam. This may also have a septation or adjacent smaller cyst. Limited visualization of the left kidney demonstrates no gross hydronephrosis.OTHER: Urinary bladder is collapsed with Foley catheter.
Limited exam with mild increase in renal echogenicity. Bilateral cysts with complex cyst upper pole right kidney and very large exophytic cyst arising from the left kidney.