microscopic hematuria


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mi·cro·scop·ic he·ma·tu·ri·a

presence of blood cells in urine, visible only under the microscope.

microscopic hematuria

Microhematuria Hematuria that can only be detected by LM examination of the urine

microscopic hematuria

Red blood cells that are not grossly obvious but are found instead on microscopic examination of a urine specimen. They may be found in patients with tumors of the urinary tract (kidneys, ureters, or bladder); glomerular diseases; kidney or ureteral stones; urinary tract infections; trauma; or in patients without obvious or demonstrable pathology. Synonym: microhematuria
See also: hematuria
References in periodicals archive ?
The rhabdomyolysis was missed here due to no history of trauma, microscopic hematuria, and fractional excretion of sodium > 3%.
Tews et al., "Impact of different grades of microscopic hematuria on the performance of urine-based markers for the detection of urothelial carcinoma," Urologic Oncology, vol.
Our series illustrated this pattern as only 76.2% of patients presenting with renal lacerations exhibited hematuria with 57.1% exhibiting gross hematuria and another 19.0% exhibiting microscopic hematuria. The remaining 19.0% did not present with hematuria.
The patient was referred to Grenoble University Hospital's emergency room by her primary care physician for a two-day history of suprapubic pain, dysuria, and microscopic hematuria. She had no past medical history or allergies.
Diagnostic criteria of the American College of Rheumatology published in 1990 Nasal or oral inflammation Nodules, fixed infiltrates or cavitation on chest radiography Microscopic hematuria or more than 5 erythrocytes per high-power field Granulomatous inflammation present in the biopsy Table 1: Presence of at least two of these criteria may mean a diagnosis of Wegener's granulomatosis with 82.2% sensitivity and 92% specificity compared to other vasculitis.
In a study conducted at Safdarjang Hospital, New Delhi [8] shows microscopic hematuria was the commonest manifestation of systemic envenomation and was seen in 75% patients.
Studies of patients presenting with persistent microscopic hematuria of unknown origin (PMHUO) indicate that those patients with glomerular disease exhibit deformed (dysmorphic) red cells, whereas patients with disease of the lower urinary tract express red cells that are normal and homogenous in shape and size.
Clinical presentation is widely variable, from asymptomatic microscopic hematuria to complete ureteral obstruction and hydronephrosis.
Urinalysis demonstrated no pathology, except microscopic hematuria. During the physical examination, movements of the lumbar spine were painful in all directions, and the femoral stretch test was positive in both lower limbs.
The most prominent symptom of bladder cancer is blood in the urine, or hematuria, which may be visible when you urinate (gross hematuria) or found during a urine test (microscopic hematuria).

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