Microscopic Hematuria: Causes & Reasons

Possible Causes for Microscopic Hematuria

There was no correlation in the severity of histological grade and clinical outcome between subjects with microscopic hematuria and those with microscopic hematuria and proteinuria [ncbi.nlm.nih.gov]

The serum TNF-alpha level of IgA GN with macroscopic hematuria was significantly higher than that with microscopic hematuria. [ncbi.nlm.nih.gov]

The following clinical features were favorable prognostic signs: asymptomatic proteinuria, macroscopic hematuria, and isolated microscopic hematuria. [ncbi.nlm.nih.gov]

Nephrolithiasis

There was a family history of renal stones in both maternal and paternal grandparents and of microscopic hematuria in the mother. [ncbi.nlm.nih.gov]

Gross or microscopic hematuria is found in 33% to 90% of children who have urolithiasis and occurs equally across age groups. [pedsinreview.aappublications.org]

Lupus Nephritis

hematuria, RBC casts, or hypertension. [msdmanuals.com]

Urinalysis and serum creatinine (all patients with SLE) Diagnosis is suspected in all patients with SLE, particularly in patients who have proteinuria, microscopic hematuria [merckmanuals.com]

Urinalysis and serum creatinine (all patients with SLE) Renal biopsy Diagnosis is suspected in all patients with SLE, particularly in patients who have proteinuria, microscopic [msdmanuals.com]

Nephropathic Cystinosis

hematuria Small amount of blood in urine 0002907 Nephrolithiasis Kidney stones 0000787 Oral motor hypotonia 0030190 Pigmentary retinopathy 0000580 Polyuria Increased urine [rarediseases.info.nih.gov]

Loss of hair color 0005599 Hypopigmentation of the skin Patchy lightened skin 0001010 Male infertility 0003251 Metaphyseal widening Broad wide portion of long bone 0003016 Microscopic [rarediseases.info.nih.gov]

Medullary Sponge Kidney

Exercise-induced hematuria a fairly common cause of microscopic hematuria. Its presence in military recruits earned it the title "march hematuria." [kidneydisease.about.com]

Urinalysis may reveal microscopic hematuria with or without kidney stone and pyuria. [kidneyabc.com]

The hematuria can be microscopic or macroscopic and with or without the presence or stones [ 15 ]. [karger.com]

Benign Familial Hematuria

What Causes Microscopic Hematuria? [lancastergeneralhealth.org]

R31.0 Gross hematuria R31.1 Benign essential microscopic hematuria R31.2 Other microscopic hematuria R31.21 Asymptomatic microscopic hematuria R31.29 Other microscopic hematuria [icd10data.com]

It is frequent in patients with persistent microscopic hematuria, but cannot be clinically differentiated from the initial stages of Alport syndrome, a severe GBM disorder [ncbi.nlm.nih.gov]

X-Linked Alport Syndrome

In the absence of treatment, renal disease progresses from microscopic hematuria (microhematuria) to proteinuria, progressive renal insufficiency, and end-stage renal disease [ncbi.nlm.nih.gov]

[…] present with persistent microscopic hematuria with minimal to mild proteinuria during childhood. [cancertherapyadvisor.com]

Alport syndrome – a genetically heterogeneous disorder characterized by nephritis associated with microscopic hematuria and slow progression of renal failure, sensorineural [medclub.eu]

Fabry Disease

Microscopic hematuria was observed in case 4. [ncbi.nlm.nih.gov]

Clinically, the renal disease manifests as hypertension, moderate proteinuria, lipiduria, and microscopic hematuria. [jasn.asnjournals.org]

Neoplasm of the Urinary Bladder

The second important feature of bladder neoplasm is the appearance of asymptomatic microscopic hematuria. [symptoma.com]

hematuria May resemble "seaweed in ocean" at cystoscopy 1/3 recur, 5% as higher grade 10 year survival 95% or more Rarely associated with invasion or metastases Add to report [pathologyoutlines.com]

Urinalysis is also a valuable diagnostic procedure that can reveal microscopic hematuria, which is particularly valuable in the absence of other symptoms. [symptoma.com]

Familial Interstitial Nephritis

[…] until the hematuria resolves, or for up to three years if microscopic hematuria persists. [aafp.org]

Patients develop renal symptoms and signs similar to those of acute nephritic syndrome (eg, microscopic hematuria, hypertension, eventually gross hematuria with proteinuria [merckmanuals.com]

Our data show that microscopic hematuria is the most reliable urinary criterion for diagnosing hereditary nephritis in both male and female patients. [annals.org]

Kidney Contusion

[…] transverse process fractures) For penetrating trauma, CT is indicated for all patients with microscopic or gross hematuria. [merckmanuals.com]

Microscopic hematuria is the most common finding in these situations. [journals.lww.com]

Patients with blunt trauma and microscopic hematuria usually have minor renal injuries that almost never require surgical repair; thus, CT is usually unnecessary. [merckmanuals.com]

Traumatic Rupture of the Kidney

[…] transverse process fractures) For penetrating trauma, CT is indicated for all patients with microscopic or gross hematuria. [merckmanuals.com]

hematuria) Loin tenderness and/ or swelling Haemodynamic instability Fracture of the lower posterior ribs, lower thoracic or lumbar vertebrae may also be present Imaging [lifeinthefastlane.com]

Fewer than 2% of patients with “insignificant microscopic hematuria” may have significant renal injuries. [clinicaladvisor.com]

Post-Infectious Glomerulonephritis

In some patients, the only sign of the disease is microscopic hematuria; in endemic areas, this alone should raise the suspicion of PIGN. [symptoma.com]

hematuria at 12 months as significant risk factors for poor renal outcome. [ncbi.nlm.nih.gov]

The typical clinical presentation of PIGN is an acute nephritic syndrome with macro- or microscopic hematuria, proteinuria, hypertension, edema and renal function impairment [ncbi.nlm.nih.gov]

Lupus Nephritis WHO Class 6

Microscopic hematuria and hypertension may be present, and the creatinine content is generally normal or perhaps slightly raised. [medicinenet.com]

Methods: This prospective study was conducted in fifty pateints with known systemic lupus erythematosus (SLE) with laboratory evidence of LN (proteinuria, microscopic hematuria [indianjrheumatol.com]

hematuria, nephrotic syndrome, celluar casts, elevated creatnine and destruction of more than 50% of glomeruli. [wikidoc.org]

Lupus Nephritis WHO Class 1

Lupus Nephritis Presentation (varies): normal to elevated serum creatinine, microscopic hematuria, and proteinuria (active urinary sediment), and can have HTN Biopsy Findings [pubs.glomcon.org]

Microscopic hematuria is also almost always present. [cureus.com]

hematuria; also acute nephritis, acute and chronic renal failure, isolated abnormalities in urinary sediment, nephrotic syndrome Biopsy is necessary to determine subsequent [pathologyoutlines.com]

Renal Embolism

In the current study microscopic hematuria was present in 21 of 39 cases (54%). [journals.lww.com]

Urinalysis typically shows microscopic hematuria and minimal proteinuria; however, proteinuria is occasionally in the nephrotic range ( > 3 g/day). [merckmanuals.com]

Grouping together our results with the other cases in the literature, microscopic hematuria was present in 59 of 82 cases (72%). [journals.lww.com]

Acute Glomerulonephritis

All of these patients showed gradual improvement of their symptoms; some have persistent microscopic hematuria without proteinuria. [ncbi.nlm.nih.gov]

PSAGN was strongly suspected due to the findings of microscopic hematuria and hypocomplementemia in the acute phase. [ncbi.nlm.nih.gov]

The patient showed acute onset of heavy proteinuria, microscopic hematuria and kidney dysfunction with arthralgia and oliguria after close contact with a person suffering [ncbi.nlm.nih.gov]

Alport Syndrome

The proband had experienced microscopic hematuria and occasionally macroscopic hematuria since 3 years of age. [ncbi.nlm.nih.gov]

Renal manifestations Hematuria Gross or microscopic hematuria is the most common and earliest manifestation of Alport syndrome. [emedicine.medscape.com]

Our data show that microscopic hematuria is the most reliable urinary criterion for diagnosing hereditary nephritis in both male and female patients. [ncbi.nlm.nih.gov]

Focal Embolic Glomerulonephritis

Symptoms and Signs Symptoms and signs range from asymptomatic hematuria (in about 50%) and mild proteinuria to full-blown nephritis with microscopic or gross hematuria (cola-colored [merckmanuals.com]

Microscopic hematuria is seen in about 50% of cases. Gross hematuria indicates the presence of focal or diffuse glomerulonephritis or possible embolic renal infarction. [antimicrobe.org]

[…] the glomerular basement membrane on electron microscopy; immunoglobulin G and C3 deposits with immunofluorescent staining Peak incidence at 30 to 50 years of age; may have microscopic [aafp.org]

Idiopathic Hypercalciuria

IH patients present frequently with gross or microscopic hematuria, abdominal pain and a variety of urinary tract complaints (frequency-dysuria syndrome, enuresis, recurrent [eurekaselect.com]

The first sign of hypercalciuria is usually microscopic hematuria with red blood cells (RBCs) in the urine. [johnsarm.net]

The association of an increased urinary calcium-to-creatinine ratio and asymptomatic gross and microscopic hematuria in children. [sciencepublishinggroup.com]

Renal Infarction

Laboratory studies on presentation showed an elevated serum creatinine concentration and microscopic hematuria. [ncbi.nlm.nih.gov]

At presentation, 20 patients (86.9%) had elevated serum lactate dehydrogenase (LDH), 18 patients (78.2%) had leukocytosis, and 16 patients (69.5%) had microscopic hematuria [ncbi.nlm.nih.gov]

microscopic hematuria. [ncbi.nlm.nih.gov]

Subcapsular Kidney Rupture

[…] transverse process fractures) For penetrating trauma, CT is indicated for all patients with microscopic or gross hematuria. [merckmanuals.com]

It can be gross hematuria in which it can be seen by the naked eye or microscopic hematuria, in which the blood cells can only be seen on microscopic evaluation of the urine [autoaccident.com]

Patients tend to present with microscopic or macroscopic hematuria and flank and/or abdominal pain. In more severe cases, hypotension and shock may be present. [radiopaedia.org]

Ureterolithiasis

Microscopic hematuria was found in 68.9%, pyuria in 27.1% and crystalluria in 15.6%. 7. [koreamed.org]

The combination of hydronephrosis and microscopic hematuria as a predictor of symptomatic urinary tract stone disease has a greater specificity and positive likelihood ratio [elischolar.library.yale.edu]

hematuria Testing The European Association of Urology recommends the following laboratory tests in all patients with an acute stone episode [1] : • Urinary sediment/dipstick [scribd.com]

Transient Sarcoidosis

[…] clues about the cause of microscopic hematuria. [aafp.org]

Algorithmic approach to microscopic hematuria in adults. (CVA = costovertebral angle; RBC = red blood cell.) Microscopic Hematuria in Adults Figure 1. [aafp.org]

microscopic hematuria and varying ages of the study populations. [aafp.org]

Periventricular Leukomalacia

Image 1 Clinical History: A 3 year-old girl, product of in vitro fertilization (with a normal twin), delivered by c-section at 30 weeks. She is mildly developmentally delayed, with spastic diplegic/triplegic cerebral palsy. Diagnosis: Periventricular leukomalacia MR Technique: 4.5 mm axial FSE (21 echoes) FLAIR and (17 echoes)[…] [clinical-mri.com]

Chronic Nephritic Syndrome with Dense Deposit Disease

All patients had marked proteinuria and 16 had microscopic hematuria. [ncbi.nlm.nih.gov]

Clinically, the patient had nephrotic syndrome, microscopic hematuria, and hypertension. No Bence-Jones protein or cryoglobulin was found in the urine or serum. [ncbi.nlm.nih.gov]

Abstract We present 11 patients with immunotactoid glomerulopathy, a new syndrome characterized clinically by proteinuria (11/11), microscopic hematuria (9/11) and hypertension [ncbi.nlm.nih.gov]

Fibronectin Glomerulopathy

A 34-year-old male was referred with proteinuria (6 g/day), microscopic hematuria and hypertension (220/130 mmHg). [ncbi.nlm.nih.gov]

The presentation includes proteinuria, often in the nephrotic range, microscopic hematuria, and hypertension. [ncbi.nlm.nih.gov]

Abstract Fibronectin glomerulopathy (GFND) is a newly recognized autosomal dominant disease of the kidney that results in albuminuria, microscopic hematuria, hypertension, [ncbi.nlm.nih.gov]

Membranoproliferative Glomerulonephritis

Some may also present with acute nephritic syndrome (20-30%), isolated macroscopic hematuria, or microscopic hematuria with subnephrotic range proteinuria. [symptoma.com]

Post-streptococcal acute glomerulonephritis was diagnosed on the basis of a high antistreptolysin O titer, hypocomplementemia, proteinuria, and microscopic hematuria. [ncbi.nlm.nih.gov]

The patient, a 17-year-old male, presented with edema, hypertension, and microscopic hematuria, followed by a mild upper respiratory tract infection. [ncbi.nlm.nih.gov]

Renal Glomerular Disease

blood in the urine Nephritic syndrome: Proteinuria Microscopic hematuria - blood in urine that can only be seen by a microscope Edema Hypertension Rapidly Progressive Glomerulonephritis [pennmedicine.org]

Microscopic hematuria. N Engl J Med. 2003;348:2330-2338. Donadio JV, Grande JP. IgA nephropathy. N Engl J Med. 2002;347:738-748. McCarthy HJ, Tizard EJ. [the-hospitalist.org]

IgA nephropathy is the most common form of glomerular disease worldwide and the most common form of glomerular-related microscopic hematuria in all age groups. 2,13 It occurs [the-hospitalist.org]

Renal Injury

The clinical manifestations in IgAN can be asymptomatic microscopic hematuria, gross hematuria, nephritic syndrome, nephrotic syndrome or acute renal injury from crescentic [ncbi.nlm.nih.gov]

The incidence rates of proteinuria and microscopic hematuria at 6 months were significantly higher than at 18 months (P=.029 and P=.017, respectively). [ncbi.nlm.nih.gov]

Microscopic or gross hematuria may be encountered in patients with low-grade injury, while signs of hypovolemic shock (hypotension, weakness, loss of consciousness) may be [symptoma.com]