tamer abd elwahab abd elmonem mohamed diab
Lecturer
Comparative analysis of STONE, TOHO, and ITO stone scoring systems for predicting stone‑free status following fexible ureteroscopy in patients with renal stones: a prospective study
• 2025
Publication Information
Authors
Kareem Noah1,2 · Hussien Shaher2
· Mariam Hamdy3
· Tamer Diab2
· Mahmoud Farag2
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publication.type
International
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Supplementary Materials
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Abstract
Objective This study aimed to compare the predictive capabilities of three stone scoring systems (STONE, TOHO, and
ITO stone score) in determining outcomes, stone-free status, and complications following fexible ureteroscopy (fURS) in
patients with renal stones.
Patients and methods This prospective study included 300 patients with renal stones treated at the Urology Department
of Benha University Hospital from January 2023 to June 2024, all managed with fexible ureteroscopy (fURS). Eligible
participants had renal calculi measuring up to 2.5 cm. For each patient, the three evaluated stone scores were calculated by
the same surgeon and an expert radiologist.
Results This study revealed signifcant negative correlations between stone-free rates (SFR) and the STONE and TOHO
scores (P
ITO stone score) in determining outcomes, stone-free status, and complications following fexible ureteroscopy (fURS) in
patients with renal stones.
Patients and methods This prospective study included 300 patients with renal stones treated at the Urology Department
of Benha University Hospital from January 2023 to June 2024, all managed with fexible ureteroscopy (fURS). Eligible
participants had renal calculi measuring up to 2.5 cm. For each patient, the three evaluated stone scores were calculated by
the same surgeon and an expert radiologist.
Results This study revealed signifcant negative correlations between stone-free rates (SFR) and the STONE and TOHO
scores (P