The Clinical Impact of Accurate Cystine Calculi Characterization Using Dual-Energy Computed Tomography

Figure 1

Conventional CT (a) and DECT (b) images showing a large staghorn stone and a small stone in the left and right kidneys, respectively. The standard DECT postprocessing algorithm colors all non-uric-acid stones blue. A follow-up scan confirmed the location of the passed stone.

(a)

(b)