Lab
Gross Hematuria
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Gross Hematuria
, Pseudohematuria, Red Urine
Causes
Red Urine
Microscopic Hematuria
Urinary tract source
Urethra
or
Bladder
Prostate
Ureter or
Kidney
Non-Urinary tract source
Vagina
Anus or
Rectum
Pseudohematuria (non-
Hematuria
related Red Urine)
Myoglobinuria
Hemoglobinuria
Phenolphthalein
Laxative
s
Phenothiazines
Porphyria
Rifampin
Pyridium
Bilirubin
uria
Phenytoin
Pyridium
Red diaper syndrome
Foods (Beets, Blackberries, Rhubarb)
Causes
Asymptomatic Gross Hematuria by
Incidence
Acute Cystitis
(23%)
Bladder Cancer
(17%)
Benign Prostatic Hyperplasia
(12%)
Nephrolithiasis
(10%)
Benign essential
Hematuria
(10%)
Prostatitis
(9%)
Renal Cancer
(6%)
Pyelonephritis
(4%)
Prostate Cancer
(3%)
Urethra
l stricture (2%)
References
Dial (2003) AAFP Board Review, Seattle
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