World Journal of Nephrology and Urology, ISSN 1927-1239 print, 1927-1247 online, Open Access
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Case Report

Volume 10, Number 1, September 2021, pages 12-14

Large Renal Cyst Underestimates Split Function on Diuretic Radionuclide Renal Scan


Figure 1.
Figure 1. (a) The split function calculated by Tc-99m-DTPA renal scan in conventional posterior view. The split function calculated was 82% from the left kidney and 18% from the right kidney. (b) Tc-99m-DTPA renal scan was repeated in anterior view on another day. The repeat scan showed equal distribution of radiotracer qualitatively on sequential images. The split function calculated was 52% from the left kidney and 48% from the right kidney. Tc: technetium; DTPA: diethyle triamine penta acetic acid.
Figure 2.
Figure 2. (a) Normal structural appearance of the kidneys on CT urography. (b, c) A large cyst located on the posterior cortex of right kidney. CT: computed tomography.