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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2016/03/25 08:42:25」(JST)

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Microscopic hematuria is a medical condition in which urine contains small amounts of blood. Blood quantity is too low to change the color of the urine (otherwise, it is known as gross hematuria). While not dangerous in itself, it maybe a symptom of kidney disease, such as IgA nephropathy, which should be monitored by a doctor.

The American Urological Association (AUA) recommends a definition of microscopic hematuria as three or more red blood cells per high-power microscopic field in urinary sediment from two of three properly collected urinalysis specimens.^[1]

References

^ [1] Grossfeld, G.; Wolf Jr, J.; Litwan, M.; Hricak, H.; Shuler, C.; Agerter, D.; Carroll, P. (2001). "Asymptomatic microscopic hematuria in adults: Summary of the AUA best practice policy recommendations". American family physician 63 (6): 1145–1154. PMID 11277551.

External links

Cohen RA, Brown RS (2003). "Clinical practice. Microscopic hematuria". N. Engl. J. Med. 348 (23): 2330–8. doi:10.1056/NEJMcp012694. PMID 12788998.
2012 AUA Guidelines [2]

‹ The template below (Abnormal clinical and laboratory findings for urine) is being merged. See templates for discussion for the discussion that led to this result. ›

UpToDate Contents

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English Journal

Association of hematuria on microscopic urinalysis and risk of urinary tract cancer.

Jung H, Gleason JM, Loo RK, Patel HS, Slezak JM, Jacobsen SJ.SourceDepartment of Urology, Kaiser Permanente Southern California, Los Angeles, California.
The Journal of urology.2011 May;185(5):1698-703. Epub 2011 Mar 21.
PMID 21419446

Heterogeneous pattern of renal disease associated with homozygous Factor H deficiency.

Servais A, Noel LH, Dragon-Durey MA, Gubler MC, Remy P, Buob D, Cordonnier C, Makdassi R, Jaber W, Boulanger E, Lesavre P, Fremeaux-Bacchi V.SourceDepartment of Nephrology, Hopital Necker-Enfants Malades AP-HP, Paris 75015, France; Universite Paris Descartes, Paris 75006, France.
Human pathology.2011 Mar 9. [Epub ahead of print]
Membranoproliferative glomerulonephritis type II is a rare renal disease, associated with uncontrolled activation of the complement alternative pathway because of C3 nephritic factor. Abnormalities in factor H have been rarely described in patients with membranoproliferative glomerulonephritis type
PMID 21396679

Japanese Journal

A Case of γ 1-Heavy Chain Deposition Disease Successfully Treated with Melphalan and Prednisolone Therapy

Oe Yuji,Nakaya Izaya,Yahata Mayumi,Sakuma Tsutomu,Sato Hiroshi,Soma Jun
Internal Medicine 49(14), 1411-1415, 2010
… We describe a case of γ1-HCDD who presented with nephrotic syndrome, microhematuria, and hypocomplementemia. …
NAID 130000299549

Female genital urinary schistosomiasis : Is there an association with infertility?

TAKOUGANG Innocent,KAMTCHOUING Pierre,MELI Jean,NKELE Ndedi,KEUZETA Jean-Joel,FOTSO Simeon,FOKOUA Seraphin,TEMGOUA Maurice Wamba
Tropical medicine and health 36(4), 149-154, 2008-12-01
… Similarly, almost half of the urine samples collected (44.8%) were positive for microhematuria. … The prevalence of infertility was significantly higher among women with microhematuria or a history of hematuria (χ2=5.42, p=0.06). …
NAID 10025714844

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