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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).
Hematuria or haematuria is defined as the presence of blood or red blood cells in the urine. [1] "Gross hematuria" occurs when urine appears red, brown, or tea-colored due to the presence of blood. Hematuria may also be subtle and only detectable with a microscope or laboratory test. [2]
Infection. In some cases, loin pain-haematuria syndrome occurs after a bladder infection with involvement of the kidney. Even when the infection has been treated and bugs can no longer be found in the urine, pain may persist for 6 months, or even longer in some cases. "Classic loin pain-haematuria syndrome".
Proteinuria of greater than 3.5 g /24 h /1.73 m 2 (between 3 and 3.5 g/24 h /1.73 m 2 is considered to be proteinuria in the nephrotic range) or greater than 40 mg/h/m 2 in children. [9] [10] The ratio between urinary concentrations of albumin and creatinine can be used in the absence of a 24-hour urine test for total protein. This coefficient ...
Urinalysis - After the patient provides a urine specimen, it is sent to the lab for analysis using a variety of methods including urine dipstick testing and microscopic examination. Because the kidney is responsible for making urine , analyzing the urine directly can provide crucial data that can help the physician diagnose nephritic syndrome ...
Microscopic haematuria with or without proteinuria may be seen in Class II Lupus nephritis. Hypertension, nephrotic syndrome, and acute kidney injury are very rare at this stage. [6] Idiopathic mesangial proliferative glomerulonephritis is less established in the literature.
Renal biopsy (also kidney biopsy) is a medical procedure in which a small piece of kidney is removed from the body for examination, usually under a microscope. [1] Microscopic examination of the tissue can provide information needed to diagnose, monitor or treat problems of the kidney.
Most patients with thin basement membrane disease are incidentally discovered to have microscopic hematuria on urinalysis. The blood pressure, kidney function, and the urinary protein excretion are usually normal. Mild proteinuria (less than 1.5 g/day) and hypertension are seen in a small minority of patients.