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Test Findings


September 19th, 2020


The presence of white blood cells in urine is referred to as pyuria. This tends to be an indicator of urinary tract infection, though there are several non-infective causes.
  • Causes of Pyuria

  • Infection - urethritis, prostatitis, cystitis, pyelonephritis, tuberculosis
  • Neoplasm - renal, bladder, protate
  • Inflammation - interstitial nephritis, interstitial cystitis, Kawasaki disease, SLE
  • Foreign body - renal calculus, indwelling catheter, ureteric stents
  • Polycystic kidney disease
  • Pelvic irradiation
  • Pregnancy
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