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ORIGINAL ARTICLE
Year : 2020  |  Volume : 31  |  Issue : 5  |  Page : 221-225

Evaluation of modified STONE score in patients presenting to the emergency department with flank pain


1 Department of Emergency Medicine, Karabük University Training and Research Hospital, Karabük, Turkey
2 Department of Emergency Medicine, Health Science University, Antalya Training and Research Hospital, Antalya, Turkey
3 Department of Emergency Medicine, Akdeniz University Faculty of Medicine, Antalya, Turkey

Correspondence Address:
Cihan Bedel
Department of Emergency Medicine, Health Science University, Antalya Training and Research Hospital, Kazim Karabekir Street, Postal Zip Code: 07100, Muratpasa, Antalya
Turkey
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/UROS.UROS_32_20

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Purpose: Renal colic due to urinary system stone disease is one of the main complaints in emergency department (ED) admissions. The STONE score is the most used model. The “race” item in the nomogram is not useful for communities where the Black race is not dominant. Therefore, we aimed at investigating the diagnostic value of a new modified scoring system, in which we replaced the “race” item in the original nomogram by “obstruction = pelvicalyceal dilation.” Materials and Methods: The study included patients who were admitted to a tertiary university ED with flank pain and underwent ultrasonography (US) from June 2017 to November 2017. Patients' demographic data such as US findings and the STONE score parameters were recorded. “Obstruction (pelvicalyceal dilation)” replaced the “race” item of the original STONE score. The diagnostic value of the modified system was investigated by categorizing the scores as low risk (0–5 points), moderate risk (6–9 points), and high risk (10–13). Results: The study included 305 patients who met the inclusion criteria. The mean age was 39.45 ± 13.83 years, and 170 patients (55.7%) were male. Pelvicalyceal dilation was detected on US at a statistically significantly higher percentage in patients with stones compared to stone-free patients (P < 0.001). The modified STONE score was statistically significantly higher in patients with stones compared to stone-free patients (P < 0.001). Conclusion: We suggest that the replacement of the race parameter of the original STONE score by the US finding of pelvicalyceal dilation will enhance the diagnostic value of scoring in societies mostly comprising a non-Black population.


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