Routine urinalyses among middle-aged adults conducted by medical clinics around the country have revealed that 13 to 15 percent have microscopic hematuria.
However, a biopsy is rarely done in cases where the patient has isolated microscopic hematuria, normal kidney function, and no proteinuria. The gross hematuria resolves after a few days, though microscopic hematuria may persist. Microscopic hematuria (small amounts of blood, can be seen only on urinalysis or light microscopy) Most patients with thin basement membrane disease are incidentally discovered to have microscopic hematuria on urinalysis.Ī smaller proportion (20-30%), usually the older population, have microscopic hematuria and proteinuria (less than 2 gram/day). Microscopic hematuria still showing up in urine. It is a benign condition that causes persistent microscopic hematuria. Microscopic hematuria is a medical condition in which urine contains small amounts of blood. Messing EM, Young TB, Hunt VB, et al.: The significance of asymptomatic microhematuria in men 50 or more years old: findings of a home screening study using urinary dipsticks. Hiatt RA, Ordoñez JD: Dipstick urinalysis screening, asymptomatic microhematuria, and subsequent urological cancers in a population-based sample.Ī longer follow-up of the HMO study indicated that individuals with microhematuria were at a higher risk for subsequent development of muscle-invading bladder cancer, with a latency of 3.5 to 14.5 years. Mohr DN, Offord KP, Owen RA, et al.: Asymptomatic microhematuria and urologic disease. In the general population, the prevalence of asymptomatic gross hematuria is about 2.5% while the prevalence of asymptomatic microhematuria is about 13%.
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