Dictionary:
he·ma·tu·ri·a (hĕ'mə-tʊr'ē-ə, -tyʊr'-) ![]() |
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The discharge of blood in the urine. The urine may be slightly blood tinged, grossly bloody, or a smoky brown color.
| Wikipedia: Hematuria |
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| Hematuria | |
|---|---|
| Classification and external resources | |
Microscopic hematuria |
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| ICD-10 | N02., R31. |
| ICD-9 | 599.7, 791.2 |
| DiseasesDB | 19635 |
| eMedicine | ped/951 |
| MeSH | D006417 |
In medicine, hematuria, or haematuria, is the presence of red blood cells (erythrocytes) in the urine. It may be idiopathic and/or benign, or it can be a sign that there is a kidney stone or a tumor in the urinary tract (kidneys, ureters, urinary bladder, prostate, and urethra), ranging from trivial to lethal. If white blood cells are found in addition to red blood cells, then it is a signal of urinary tract infection.
Occasionally "hemoglobinuria" is used synonymously, although more precisely it refers only to hemoglobin in the urine.
Contents |
Red discolouration of the urine can have various causes:
A patient will be asked a number of questions:
Often, the diagnosis is made on the basis of the medical history and some blood tests—especially in young people in whom the risk of malignancy is negligible and the symptoms are generally self-limited.
Ultrasound investigation of the renal tract is often used to distinguish between various sources of bleeding. X-rays can be used to identify kidney stones, although CT scanning is more precise.
In older patients, cystoscopy with biopsy of suspected lesions is often employed to investigate for bladder cancer.
If combined with pain, it may be loin pain hematuria syndrome.[1]
Per AUA (American Urologic Association) guidelines [2], the following should be performed for high risk patients with significant microhematuria (greater than 3 red blood cells per high powered field):
1) Upper tract imaging of which a CT urogram is the gold standard
2) Urine cytology
3) Cystoscopy
Causes of macroscopic hematuria/ haematuria (i.e. blood visible in the urine) include:
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This entry is from Wikipedia, the leading user-contributed encyclopedia. It may not have been reviewed by professional editors (see full disclaimer)
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![]() | Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved. Read more | |
![]() | Britannica Concise Encyclopedia. Britannica Concise Encyclopedia. © 2006 Encyclopædia Britannica, Inc. All rights reserved. Read more | |
![]() | Dental Dictionary. Mosby's Dental Dictionary. Copyright © 2004 by Elsevier, Inc. All rights reserved. Read more | |
![]() | Veterinary Dictionary. Saunders Comprehensive Veterinary Dictionary 3rd Edition. Copyright © 2007 by D.C. Blood, V.P. Studdert and C.C. Gay, Elsevier. All rights reserved. Read more | |
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