Sandbox:Microscopic hematuria

History and Symptoms

CATEGORY	EXAMPLES	COMMON CLINICAL PRESENTATION AND RISK FACTORS
Neoplasm	Any	Male gender, Age older than 35 years, Past or current smoking history, Occupational or other exposure to chemicals or dyes (benzenes or aromatic amines), Analgesic abuse, History of gross hematuria, History of urologic disorder or disease, History of Irritative voiding symptoms, History of pelvic irradiation, History of chronic urinary tract infection, Exposure to known carcinogenic agents or chemotherapy such as alkylating agents, History of chronic indwelling foreign body
	Bladder cancer	Older age, male predominance, tobacco, occupational exposures, Irritative voiding symptoms
	Ureteral or renal pelvis cancer	Family history of early colon cancers or upper tract tumors, flank pain
	Renal cortical tumor	Family history of early kidney tumors, flank pain, flank mass
	Prostate cancer	Older age, family history, African-American
	Urethral cancer	Obstructive symptoms, pain, bloody discharge
Infection/inflammation	Any	History of infection
	Cystitis	Female predominance, dysuria
	Pyelonephritis	Fever, flank pain, diabetes, female predominance
	Urethritis	Exposure to sexually transmitted infections, urethral discharge, dysuria
	Tuberculosis	Travel to endemic areas
	Schistosomiasis	Travel to endemic areas
Calculus	Nephroureterolithiasis	Flank pain, family history, prior stone
	Bladder stones	Bladder outlet obstruction
Benign prostatic enlargement		Male, older age, obstructive symptoms
Medical renal disease	Any	Hypertension, azotemia, dysmorphic erythrocytes, cellular casts, proteinuria
	IgA nephropathy	upper respiratory tract infection, gastroenteritis, synchronous association of pharyngitis, children
Congenital or acquired anatomic abnormality	*Polycystic kidney disease*Uretero-pelvic junction obstruction*Ureteral stricture*Urethral diverticulum*Fistula	*Family history of renal cystic disease*History of UTI, stone, flank pain*History of surgery or radiation, flank pain, hydronephrosis; stranguria, spraying urine*Discharge, dribbling, dyspareunia, history of UTI, female predominance*Pneumaturia, Fecaluria, abdominal pain, recurrent UTI, history of diverticulitis or colon cancer
Chemical / poisoning	Alcohol withdrawal, Aluminum , Carbon monoxide poisoning, Ifosamide, Lead poisoning, Methylene Chloride , Narcotics, Occupational lead exposure , Toxic mushrooms