There are some scoring systems for predicting surgical stone-free rates during flexible ureteroscopy (RIRS) and percutaneous nephrolithotomy (PCNL), such as CROES, S.T.O.N.E, Guy, and S-ReSC scores. This video is explaining of how we can calculate S-ReSC scores.
Articles about ReSC
https://pubmed.ncbi.nlm.nih.gov/23824752/ (for PCNL)
https://pubmed.ncbi.nlm.nih.gov/24623504/ (for RIRS)
https://pubmed.ncbi.nlm.nih.gov/24421896/ (validating for PCNL)
https://pubmed.ncbi.nlm.nih.gov/25843594/ (validating for RIRS)
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