PRIMARY hematuria is a term used to describe persistent or recurrent unexplained hematuria, gross or microscopic, that has been demonstrated by biopsy specimen to be of glomerular origin.1 A case of primary hematuria was unusually severe and prolonged, as well as unilateral in origin.
Report of a Case
A 44-year-old man experienced painless hematuria continuously for 16 months. His urine varied in color from that of dark tea to bright red. Packed RBC volume in urine varied between 0.5 and 2 vol%. No clots were noted. The creatinine clearance was 116 ml/min. The proteinuria value ranged between 1.3 and 1.6 g/24 hr, with a urine protein electrophoresis value reflecting a distribution of constituents similar to serum. The patient's packed RBC volume dropped to as low as 26 vol%, with a serum iron level of 44μg/dl and an iron-binding capacity of 333 μg/dl. Cystoscopy demonstrated a bloody efflux from the
Chester AC, Diamond LH, Argy WP, Schreiner GE. Unilateral Primary Hematuria. JAMA. 1978;240(25):2759. doi:10.1001/jama.1978.03290250063034
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