Approach to Microscopic Hematuria
Microscopic hematuria is often incidental but may be associated with urologic malignancy. Despite this risk, 39-90% of persons on screening urinalysis received no follow-up testing.
Dysmorphic RBC's, cellular casts, proteinuria, elevated creatinine, or HTN in the presence of microscopic hematuria require prompt referral.
Definition of Microscopic Hematuria:
- ≥ 3 RBC/TIPF on microscopic evaluation of a single, properly collected urine specimen.
- Not by positive dipstick testing alone
Risk Stratification:
• Low-Risk: Repeat urinalysis in 6 months or proceed with cystoscopy & renal ultrasound.
• Intermediate-High Risk: Perform cystoscopy & upper tract imaging.
Satyendra Dhar, MD @DharSaty
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