CT slice thickness biases stone-free rate assessment after RIRS
Retrospective · World J Urol · 2026-09-28. Number 4 in the UrologyWatch Top 5 for September 28, 2026.
In a retrospective cohort of 145 patients after retrograde intrarenal surgery, reconstructing CT images at 5-mm versus 1-mm slice thickness shifted 24% of patients to a more favorable stone-free grade, with no downgrades.
Why it matters: Reported stone-free rates depend heavily on CT reconstruction protocol, complicating comparisons across studies and centers.
Source: World J Urol · PubMed 42801371 · DOI 10.1016/j.euf.2024.07.003
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