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Hematuria can be classified according to visibility, anatomical origin, and timing of blood during urination. [1] [6]In terms of visibility, hematuria can be visible to the naked eye (termed "gross hematuria") and may appear red or brown (sometimes referred to as tea-colored), or it can be microscopic (i.e. not visible but detected with a microscope or laboratory test).
Microhematuria, also called microscopic hematuria (both usually abbreviated as MH), is a medical condition in which urine contains small amounts of blood; the blood quantity is too low to change the color of the urine (otherwise, it is known as gross hematuria).
Mesangial proliferative glomerulonephritis often presents with hematuria (gross or microscopic) or nephrotic syndrome. [2] Presentation can also include asymptomatic proteinuria. [2] These presenting symptoms are relatively non-specific and are often seen in other glomerular disorders.
Chronic asymptomatic bacteriuria occurs in as many as 50% of the population in long-term care. [12] There is an association between asymptomatic bacteriuria in pregnant women with low birth weight, preterm delivery, cystitis, infection of the newborn and fetus death. [8] [13] [10] However, most of these studies were graded as poor quality. [8]
The findings on renal biopsy correlate with the severity of symptoms: those with asymptomatic hematuria may only have focal mesangial proliferation while those with proteinuria may have marked cellular proliferation or even crescent formation. The number of crescentic glomeruli is an important prognostic factor in determining whether the ...
Nephroptosis is asymptomatic in most persons. However, nephroptosis can be characterized by violent attacks of colicky flank pain, nausea, chills, hypertension, hematuria and proteinuria. Persons with symptomatic nephroptosis often complain of sharp pains that radiate into the groin. Many persons also suggest a weighing feeling on the abdomen.
Microscopic hematuria is sometimes observed in healthy people after exercise [98] or as a consequence of contamination of the sample with menstrual blood. [97] Pathologic causes of hematuria are diverse and include trauma to the urinary tract, kidney stones , urinary tract infections , drug toxicity , genitourinary cancers, and a variety of ...
Asymptomatic (or clinically silent) is an adjective categorising the medical conditions (i.e., injuries or diseases) that patients carry but without experiencing their symptoms, despite an explicit diagnosis (e.g., a positive medical test).