References
  1. Rodríguez-Monsalve Herrero M, Doizi S, Keller EX, De Coninck V, Traxer O (2018) Retrograde intrarenal surgery: An expanding role in treatment of urolithiasis. Asian J Urol 5:264-273. doi: 10.1016/j.ajur.2018.06.005.
  2. Resorlu B, Unsal A, Gulec H, Oztuna D (2012) A new scoring system for predicting stone-free rate after retrograde intrarenal surgery: The “Resorlu-Unsal Stone Score”. Urology 80:512–518.
  3. Jung JW, Lee BK, Park YH et al. (2014) Modified Seoul National University renal stone complexity score for retrograde intrarenal surgery. Urolithiasis 42:335-340.
  4. Ito H, Sakamaki K, Kawahara T, Terao H, Yasuda K et al (2015) Development and internal validation of a nomogram for predicting stone-free status after flexible ureteroscopy for renal stones. BJU Int 115:446-451. doi: 10.1111/bju.12775.
  5. Xiao Y, Li D, Chen L, Xu Y, Zhang D, Shao Y et al. (2017) The R.I.R.S. scoring system: An innovative scoring system for predicting stone-free rate following retrograde intrarenal surgery. BMC Urol 17:105. doi:10.1186/s12894-017-0297-0.
  6. Türk C, Neisius A, Petrik A, Seitz C, Skolarikos A, Thomas K (2020) Guidelines on urolithiasis. European Association of Urology. https://uroweb.org/guideline/urolithiasis/2020.
  7. Elbahnasy AM, Shalhav AL, Hoenig DM, et al 1998) Lower caliceal stone clearance after shock wave lithotripsy or ureteroscopy: the impact of lower pole radiographic anatomy. J Urol 159:676-682.
  8. Geraghty R, Abourmarzouk O, Rai B et al. (2015) Evidence for Ureterorenoscopy and Laser Fragmentation (URSL) for Large Renal Stones in the Modern Era. CurrUrol Rep 16:54.
  9. Kılıc O, Akand M, Van Cleynenbreugel B (2017) Retrograde intrarenal surgery for renal stones –Part 2. Turk J Urol 43:252-260. doi: 10.5152/tud.2017.22697.
  10. Erbin A, Tepeler A, Buldu I, Ozdemir H et al. (2016) External Comparison of Recent Predictive Nomograms for Stone-Free Rate Using Retrograde Flexible Ureteroscopy with Laser Lithotripsy. J Endourol 30:1180-1184. doi: 10.1089/end.2016.0473
  11. Richard F, Marguin J, Frontczak A et al. (2020) Evaluation and comparison of scoring systems for predicting stone-free status after flexible ureteroscopy for renal and ureteral stones. PLoS One 15:e0237068. doi:10.1371/journal.pone.0237068.