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Table of Contents
EDITORIAL COMMENT
Year : 2020  |  Volume : 31  |  Issue : 3  |  Page : 122

Editorial comment: A lower urine white blood cell median can be a predictor of undiscovered urolithiasis in patients with acute urinary tract symptoms


College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan

Date of Submission25-May-2020
Date of Acceptance25-May-2020
Date of Web Publication26-Jun-2020

Correspondence Address:
Yung-Shun Juan
College of Medicine, Kaohsiung Medical University, Kaohsiung
Taiwan
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/UROS.UROS_70_20

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How to cite this article:
Juan YS. Editorial comment: A lower urine white blood cell median can be a predictor of undiscovered urolithiasis in patients with acute urinary tract symptoms. Urol Sci 2020;31:122

How to cite this URL:
Juan YS. Editorial comment: A lower urine white blood cell median can be a predictor of undiscovered urolithiasis in patients with acute urinary tract symptoms. Urol Sci [serial online] 2020 [cited 2020 Jul 12];31:122. Available from: http://www.e-urol-sci.com/text.asp?2020/31/3/122/287981



Microscopic examination of the urine for evidence of hematuria or pyuria is a critical part of the evaluation of a patient with lower urinary tract symptoms and suspicious for acute urinary tract infections (UTIs). One retrospective study found that 67% of patients with ureterolithiasis had more than 5 red blood cells (RBCs) per high-power field (HPF), and 89% of patients had more than 0 RBCs/HPF on urine microscopic examination.[1] Chen et al. provided an interesting point of view that when presenting with acute UTI symptoms, patients with a high urine RBC median but lower urine WBC median are correlated with a higher probability of having urolithiasis disease. They found that the WBC median lower than 7.75 per HPF in urinalysis is a predictor for urolithiasis. While patients presented with UTI symptoms and lower urine WBC counts, a further image study, such as KUB or abdominal sonography, is required to identify other cause of UTI symptoms. However, in the present study, no further information about the correlation of lower urine WBC counts with the location or the size of urolithiasis. Further information on physical examination or detailed history taking is required to prevent computed tomographic scan and further high-dose radiation exposure.



 
  References Top

1.
Bove P, Kaplan D, Dalrymple N, Rosenfield AT, Verga M, Anderson K, et al. Reexamining the value of hematuria testing in patients with acute flank pain. J Urol 1999;162(3 Pt 1):685-7.  Back to cited text no. 1
    




 

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