Asymptomatic microscopic hematuria symptoms

Evaluation of asymptomatic microscopic hematuria in adult

Assessment of Asymptomatic Microscopic Hematuria in Adults

Symptoms of microscopic hematuria Most of the time, you won't have symptoms of microscopic hematuria. Sometimes you may feel a burning sensation when you urinate. Or you may feel the urge to urinate more often than usual Such cases are called asymptomatic. Others may be accompanied by a variety of symptoms ranging from a need to urinate frequently, to a consistent, suddenly occurring sensation of urinary urgency, to pain in the flank or side, or pain during urination (dysuria) I saw my doctor yesterday for frank hematuria, no other symptoms, no obvious cause. I'm 33, F, healthy, non drinking/non smoking, no prescription meds. My CBC, WBC differential, urinalysis were all normal. Microscopic urinalysis showed trace bacteri By itself, hematuria rarely causes symptoms. One exception is when the bladder has so much blood in it that clots form, and the flow of urine is blocked. This can cause pain at the site of the blockage in the lower pelvis. Symptoms usually come from the cause of the hematuria, and vary depending on the condition The symptoms of complicated or impacted calculi are; moderate to severe intermittent/episodic pain along with microscopic as well as gross hematuria. Enlarged prostate: Prostate gland, situated just inferior and posterior to the urinary bladder is responsible for making the fluid part of semen in the males

Sundelin MO, Jensen JB: Asymptomatic microscopic hematuria as a predictor of neoplasia in the urinary tract. Scand J Urol 2017; 51:373. Linder BJ, Bass EJ, Mostafid H et al: Guideline of guidelines: asymptomatic microscopic haematuria. BJU Int 2017; 121: 176 The most common presenting symptom of bladder cancer is hematuria. Approximately 80%-90% of patients with bladder cancer present with painless gross hematuria. Among these cases, asymptomatic microscopic hematuria is more common and is defined as three or more red blood cells per high-powered microscopy field Asymptomatic proteinuria and hematuria syndrome is the result of diseases of glomeruli (clusters of microscopic blood vessels in the kidneys that have small pores through which blood is filtered). It is characterized by steady or intermittent loss of small amounts of protein and blood in the urine The prevalence of asymptomatic microscopic hematuria decreases from ~6% to ~0.5% upon repeating the screening specimen. [Massengill, 2008] It can be further described as: Persistent vs Transient; Symptomatic vs Asymptomatic; Gross vs Microscopic. Gross hematuria, unlike microscopic, is more likely to be associated with an identifiable cause

Video: Evaluation of Asymptomatic Microscopic Hematuria in Adults

Asymptomatic microscopic hematuria is an important clinical sign of urinary tract malignancy. Asymptomatic microscopic hematuria has been variably defined over the years. In addition, the evidence primarily is based on data from male patients. However, whether the patient is a man or a woman influences the differential diagnosis of asymptomatic. Microhematuria also called asymptomatic microscopic hematuria, is defined as the presence of three or more red blood cells per high-power field visible in a properly collected urine specimen without evidence of infection 1). Other abnormalities (e.g., pyuria, bacteriuria, contaminants) or obvious benign causes must be absent Non-visible hematuria (NVH), also known as microhematuria, is the presence of three or more red blood cells (RBCs) per high-power microscope field on a midstream, clean-catch urine sample. A positive dipstick result for blood (trace blood or greater) does not confirm NVH, but should prompt furthe.. Predictors of genitourinary malignancy in patients with asymptomatic microscopic hematuria. Samson P (1), Waingankar N (2), Shah P (3), Friedman D (3), Kavoussi L (3), Han J (3). (1)The Smith Institute for Urology, Hofstra-Northwell School of Medicine, New Hyde Park, NY. Electronic address: psamson@northwell.edu

Asymptomatic patients. Do not request urine microscopy to confirm or refute the presence of haematuria. The prevalence of asymptomatic invisible haematuria is 2-13% in screened individuals.6 Urine dipstick testing is highly sensitive (97%) and moderately specific (75%) for the detection of haematuria compared with the gold standard of microscopy using a counting chamber and freshly voided. Population studies estimate prevalence of asymptomatic microscopic hematuria in children to be 3%- 6% on one -time evaluation. (Dodge, et al. 1976, Vehaskari, et al. 1979). • Repeat urine screening lowers the prevalence to 0.5% -1%. Diseases associated with hematuria may have predilection for specific gender, race, or ethnicity Children Hematuria Reflux Nephropathy 1. Background Asymptomatic persistent microscopic hematuria is one of the common symptoms in children with kidney disorders. Its prevalence is 1 to 2 percent (1, 2).There is a long list of the causes related to this condition most of which are benign conditions (3, 4).However, hematuria may be one of the most important signs of glomerular damage. In the asymptomatic child, simultaneous microscopic hematuria and proteinuria (>50 mg/dL) in 3 consecutive urine samples is unusual and occurred in the Galveston study, with a prevalence of 64 per.

Blood in urine (hematuria) - Symptoms and causes - Mayo Clini

Assessment of asymptomatic microscopic hematuria in adult

Signs & Symptoms. Technically speaking, hematuria is a symptom. Microscopic hematuria has no visible signs. The only way doctors know if someone has microscopic hematuria is if it shows up on a urine test. Gross hematuria can be seen because it changes the color of urine, which can happen with just a little bit of blood for individuals with asymptomatic microscopic hematuria aged over 40 years.15 Such assessment would be appropriate in younger individuals with significant risk factors, positive urine cytology or the development of new symptoms such as dysuria, urgency or gross hematuria. A number of individuals with asymptomatic microscopic

Failure to confirm hematuria on repeat testing is reassuring, although some sources have recommended repeated tests over the following year to reduce the likelihood of occult disease.4 The emergence of new urinary symptoms, the recurrence of microscopic hematuria or the appearance of gross hematuria at any time should trigger reassessment Microscopic hematuria refers to the detection of blood on urinalysis or urine microscopy. Hematuria can be intermittent or persistent. Hematuria is defined as the presence of at least 5 red blood cells/HPF in 3 of 3 consecutive centrifuged specimens obtained at least 7 days apart. Hematuria may be asymptomatic or symptomatic and may be.

Canadian guidelines for the management of asymptomatic

Persistent asymptomatic isolated microscopic hematuria is a frequent incidental finding on routine examination of children, adolescents, and young adults. 1 The most recent American Academy of Pediatrics guidelines rescinded the recommendation for urine screening during the second decade of life. 2,3 Microscopic hematuria is commonly screened. Vivante A, Afek A, Frenkel-Nir Y, et al. Persistent asymptomatic isolated microscopic hematuria in Israeli adolescents and young adults and risk for end-stage renal disease. JAMA 2011; 306:729. Loo RK, Lieberman SF, Slezak JM, et al. Stratifying risk of urinary tract malignant tumors in patients with asymptomatic microscopic hematuria Stratifying risk of urinary tract malignant tumors in patients with asymptomatic microscopic hematuria Mayo Clin Proc , 88 ( 2013 ) , pp. 129 - 138 Article Download PDF View Record in Scopus Google Schola

Asymptomatic Microscopic Hematuria in Women ACO

Asymptomatic Microscopic Hematuria in males and females: Microscopic hematuria doesn't reflect any symptoms in males or females whereas Urinal tract malignancy influences males more than females which can be the initial cause of invisible blood in urine Visible hematuria, even when transient or asymptomatic, may indicate a significant disease process and always requires further investigation. Possible etiologies vary by age and the workup of visible hematuria differs among children, adults under the age of 35 years, and adults ages 35 years or older

Hematuria UCSF Department of Urolog

Asymptomatic Microscopic Hematuria. The finding of red blood cells in a child's urine is a frequent cause for referral to the pediatric urologist. Of course, when the child is symptomatic or the urine is grossly bloody there is usually a specific cause; and more extensive laboratory and radiologic evaluation is indicated The most common causes of hematuria in men are urinary tract infections (UTI), neoplasms, and urolithiasis (stones). 2  Another set of major causes includes trauma to the kidney, bladder, or other parts of the genito-urinary tract. In addition, anything from jogger's hematuria that occurs after exercise, kidney disease, sexually. Without symptoms, hematuria may still be indicative of urinary or bladder problems. A 2012 study by Cha reported on 1182 participants who presented with asymptomatic hematuria. A total of 245 participants were found to have bladder cancer; 138 had low-grade tumors while 97 participants had high-grade tumors Microscopic hematuria Microscopic hematuria, defined by more than five RBCs/hpf, almost always warrants referral to a nephrologist rather than an urologist. Figs. 2 and 3 give an approach to the evaluation of asymptomatic and symptomatic microscopic Box 1. Causes of hematuria in children Glomerular diseases Recurrent gross hematuria (Ig Asymptomatic microscopic hematuria to severe, progressive glomerulonephritis Most who develop nephritis have urinary symptoms by 1 mo, & nearly all by 3-6 mo Treatment Spontaneous resolution in majority of patients Consider immunosuppression although there is very little controlled data Prognosi

Microscopic Hematuria - familydoctor

Total hematuria. Passage of blood or clots throughout the entire micturition; Suggests damage to the bladder, ureters or kidneys (e.g., urolithiasis, UTI, polycystic kidney disease) Painless hematuria (asymptomatic hematuria) Passage of blood or clots in urine in the absence of renal or urinary symptoms Incidental detection of microhematuria is a common phenomenon. In early stages, most patients with bladder cancer have microscopic hematuria. However, the prevalence of microhematuria in healthy individuals is approximately 10%-15% and the decision about which patients to investigate may thus be difficult.[15,19] The first step is a repeat urine sample at least several days after the initial. Microscopic Hematuria. Microscopic hematuria is defined as ≥3-5 RBCs/hpf. 5,6,7 Asymptomatic microscopic hematuria is most commonly benign, with serious urologic disease occurring in only ~2% of patients and renal or bladder carcinoma in <1%. 3 It can often be seen in young individuals after vigorous exercise, sexual intercourse or with febrile illness. 4 Elevated INR may lead to microscopic. Asymptomatic, atraumatic hematuria is a worrisome clinical sign for a patient that usually prompts a visit to a urologist. Hematuria is classified as microscopic versus gross; the evaluation for. A long list: Asymptomatic microhematuria may be caused by: infection/inllammation, stones, neoplasms (tumors), & obstruction along the whole urinary tract; and Read More. Send thanks to the doctor

Texas Urology - Hematuria - Blood in the Urin

R00-R99 - Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified. R30-R39 - Symptoms and signs involving the genitourinary system. R31 - Hematuria. R31.2 - Other microscopic hematuria. R31.21 - Asymptomatic microscopic hematuria; R31.29 - Other microscopic hematuria Long Description: Asymptomatic microscopic hematuria. The code R31.21 is VALID for claim submission. Code Classification: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99) Symptoms and signs involving the genitourinary system (R30-R39) Hematuria (R31) R31.21 Asymptomatic microscopic hematuria Introduction. Microscopic hematuria is common in children, and it is present in 4.1% of school age children ().Microscopic hematuria that persists on repeated evaluations is less common, with only 0.25% of children having blood in four consecutive urinalyses (UAs) ().Of children with microscopic hematuria, only 16.2% of them also had proteinuria; thus, the majority of children identified with.

what are the causes of chronic microscopic hematuria

  1. Hematuria or haematuria is defined as the presence of blood or red blood cells in the urine. It can be classified according to the quantity, the anatomical origin of bleeding and the occurrence during bleeding. As per the quantity, hematuria can be detected by the naked eye (gross hematuria), or can only be detected under microscopy (microscopic hematuria
  2. The second important feature of bladder neoplasm is the appearance of asymptomatic microscopic hematuria. [symptoma.com] Herein, we reported a 59-year-old female patient consulted to our outpatient clinic with the incidents of hematuria
  3. Asymptomatic & Hematuria & Hypercalcemia Symptom Checker: Possible causes include Urinary Bladder Transitional Cell Carcinoma. Check the full list of possible causes and conditions now! Talk to our Chatbot to narrow down your search
  4. Ward JF, Kaplan GW, Mevorach R, et al. Refined microscopic urinalysis for red blood cell morphology in the evaluation of asymptomatic microscopic hematuria in a pediatric population. J Urol . 1998.
  5. The symptoms of hematuria. Macroscopic hematuria manifests as red or brownish urine. Usually, it isn't painful and isn't accompanied by other symptoms. However, the manifestation of certain symptoms can guide the diagnosis of the cause. For example, fever and low back pain may be indicative of a kidney infection
  6. ICD-10-CM R31.21 Asymptomatic microscopic hematuria. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified ( R00-R99) Note: This chapter includes symptoms, signs, abnormal results of clinical or other investigative procedures, and ill-defined conditions regarding which no diagnosis classifiable elsewhere is.

Hematuria Guide: Causes, Symptoms and Treatment Option

Hypercalciuria is a common finding in patients with isolated microscopic hematuria accounting for up to 30% of cases (16, 23-25). A study of 325 children referred for evaluation of asymptomatic microscopic hematuria found hypercalciuria in 11% (26). In addition t There remain important controversies in the work-up of asymptomatic microscopic hematuria, including at what age to start it (35, 40, or older), whether patients without risk factors for cancer. In the general population, the prevalence of asymptomatic gross hematuria is about 2.5%, while the prevalence of asymptomatic microhematuria is about 13%. In a recent prospective analysis of patients attending a hematuria clinic in the United Kingdom, 183 (19.2%) of the 948 patients with gross hematuria were found to have bladder cancer on. 3.2.2. Microscopic hematuria Similar to what is seen in children with macroscopic hematuria, IH is also prevalent in children with isolated microscopic hematuria. In the aforementioned study from the Northern United States (17), 342 children with asymptomatic isolated microscopic hematuria were studied Hematuria syndrome is a condition in which there is blood in the urine. Normally considered a benign, temporary condition, hematuria may also indicate of a more serious condition if there are persistent symptoms that worsen. Treatment for hematuria syndrome depends on the underlying cause of the symptoms and may include the use of antibiotics.

Asymptomatic proteinuria defined as proteinuria not associated with hematuria, hypertension, other symptoms or renal insufficiency—is a common finding on a screening urinalysis in adolescent patient Asymptomatic microscopic hematuria. R31.21 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2021 edition of ICD-10-CM R31.21 became effective on October 1, 2020. This is the American ICD-10-CM version of R31.21 - other international versions of ICD-10 R31.21 may differ. This chapter.

Microscopic Hematuria - drelist

  1. ation, but result in more false-positive tests
  2. Valid for Submission. R31.21 is a billable diagnosis code used to specify a medical diagnosis of asymptomatic microscopic hematuria. The code R31.21 is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions
  3. This article focuses on the symptoms and treatment of hematuria, a condition that causes blood in the urine (hematuria) in children. Epidemiology & etiology of hematuria , pathophysiology , symptoms & diagnosis , differential diagnoses and management of hematuria . Read more about it
  4. ation in patients without urinary tract symptoms. Although there is gener
  5. The second step in the approach is whether the individual is symptomatic or asymptomatic. Pain, dysuria, or obstructive symptoms markedly increase the probability of infection, renal stone disease, and malignancies, whereas asymptomatic hematuria supports glomerular/renal origin. Gross hematuria with clots always indicates lower tract origin
  6. ICD-10-CM Code for Asymptomatic microscopic hematuria R31.21 ICD-10 code R31.21 for Asymptomatic microscopic hematuria is a medical classification as listed by WHO under the range - Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
  7. Start studying CM III - Hematuria and Proteinuria. Learn vocabulary, terms, and more with flashcards, games, and other study tools

A perplexing urologic problem that I frequently hear Primary Care Physicians ask about is microscopic hematuria. I have decided to devote a PCP Update to this topic acknowledging that the vast majority of the following information was taken right from the American Urologic Association Guidelines for the diagnosis, evaluation, and follow-up of asymptomatic microscopic hematuria in adults asymptomatic microscopic hematuria, so, again, you're not having any symptoms, but there is some microscopic blood in the urine, which we define as two separate urinalysis with microscopic evaluation in the absence of a urinary t ract infection. If you have an infection, it gets thrown out the window. That's theoretically not tru Hematuria is blood in the urine. When the urine is red or pink this could be linked to blood in the urine and is called gross or visible hematuria. Sometimes, blood is in the urine but is not easily seen and it is called microscopic hematuria since it can only be seen under a microscope When you have hematuria, the filters in the kidneys or other parts of the urinary tract (the kidneys, ureter, and bladder that work together to remove wastes) allow blood to leak into the urine. There are two types of hematuria; microscopic or gross hematuria. Microscopic hematuria means that the blood can only be seen with a microscope iii. If none of these occur after three years, then routine follow-up for persistent hematuria can be ceased. Guideline summary References 1- Wollin et al. Canadian guidelines for the management of asymptomatic microscopic hematuria in adults. Canadian Urology Association J. (2009) 3(1):77-8

You may not notice any symptoms if you have microscopic hematuria. If you have gross hematuria, you may notice that your urine is pink, red or brown. This happens because the blood in your urine makes it a different color. If you have gross hematuria, you may also get blood clots in your urine, which can be painful Grossfeld GD, Wolf JS Jr, Litwan MS, et al. Asymptomatic microscopic hematuria in adults: summary of the AUA best practice policy recommendations. Am Fam Physician . 2001;63:1145-1154. 4 Microscopic hematuria, or microhema-turia, is the finding of red blood cells in the urine on microscopy. (In contrast, in dipstick hematuria—see below—blood cells may or may not be present in the urine.) Dipstick hematuria and dipstick micro-hematuria are potential misnomers. The dip-stick test for hematuria is a nondiagnosti Urine cytology is no longer recommended for routine workup of asymptomatic microscopic hematuria. 1 A single positive urine microscopy (≥ 3 RBC/hpf) should initiate workup as microscopic hematuria is known to be highly intermittent, even in the setting of significant underlying pathology.

Microhematuria: AUA/SUFU Guideline - American Urological

  1. Aug. 11, 2020 -- A big chunk of people who catch COVID-19 -- maybe as many as 40%, by some estimates -- never develop noticeable symptoms. They don't run a fever.They don't cough or feel short.
  2. ed by taking a detailed patient history with the aim of identifying risk factors and whether the patient has undertaken recent exercise, sexual activity, has a urinary infection or is menstruating. If the patient is experiencing other symptoms.
  3. Asymptomatic microscopic hematuria (AMH), the presence of 3 or more red blood cells on urinalysis in the absence of genitourinary (GU) symptoms, is highly prevalent, with population-based studies estimating that up to 40.9% of US adults have this finding on urinalysis. 1,2 Among potential etiologies for AMH, GU malignant abnormality is of.

Symptoms - ScienceDirec

  1. Gross Hematuria- when blood is visible in urine by naked eyes, then this condition is known as gross or macroscopic hematuria. Microscopic Hematuria- when red blood cells are seen only under a microscope, it is called microscopic hematuria. It is detected by urine tests in a routine checkup
  2. Urethritis & Microscopic Hematuria - STD or other urological cause? Hmm68 Dec 16, 2011. I'm going to apologize in advance for the length of this, but I need to give a history and my logic on possible causes. I'm a 43 year old male, who up until June of this year had been abstinent for over 2 years. About 20 years ago, I did contract chlamydia.
  3. Urinalysis is a frequently performed test in various healthcare settings for numerous diagnostic purposes. Microscopic hematuria (MH) is detected in 2.4 to 31.1% of asymptomatic individuals [].MH is a common reason for referral to urologists, accounting for 2.7% of the number of visits to urologists in 2012 in one study [].The definition of MH is not uniform among existing guidelines []
  4. 2 BCGuidelines.ca: Workup of Microscopic Hematuria (2020) Background • The prevalence of microscopic hematuria in the general population ranges from 2.4 to 31.1%.4 • Microscopic hematuria in adults is often an incidental finding but may be associated with urologic malignancy in up to 10% of cases.5 • 33% of male patients ≥ 50 years with hemoglobinuria will ultimately be found to have.
  5. Hematuria can be associated with other symptoms depending on the cause. Urologists often distinguish between painful and painless causes of hematuria. Microscopic hematuria, which is detected on a urine analysis test, is often asymptomatic
  6. Microscopic hematuria - This occurs when a person cannot see the blood as the amount is so small. Only a laboratory test that detects blood by looking at a sample of urine under a microscope can confirm microscopic hematuria. A pink, red, brownish-red, or tea-colored urine is one of the most common symptoms of the condition

Microscopic hematuria is a more common finding than gross hematuria. The reason for significant microscopic hematuria can be more difficult to determine. Microscopic hematuria is often detected from a positive urine dipstick test. Although a dipstick test is a convenient, rapid, point-of-care test, it has pitfalls I have had microscopic hematuria ever since I went thru menopause. I have had every test in the books trying to find a cause - there is none. I was told that since my estrogen levels are to the point of being non-existent, this causes the tissue to thin and allows traces of blood to leak thru the fragile tissue Furthermore, patients can be asymptomatic or can have lower urinary tract symptoms (urgency, frequency, and dysuria) associated with hematuria. Significant microscopic hematuria is defined as >2 erythrocytes per high-power field present on 2 microscopic urinalyses in the absence of urinary infection, recent exercise, menses, sexual activity, or. Asymptomatic microscopic hematuria is, on average, 10-fold as prevalent as gross hematuria (1.5%, range 0.4-4.1%, depending on the criteria used to define hematuria). With repeated evaluations, the prevalence of asymptomatic microscopic hematuria decreases to less than 0.5%, supporting the notion that most cases of hematuria in children are.

Blood in the urine (hematuria) can originate from any site along the urinary tract and, whether gross or microscopic, may be a sign of serious underlying disease, including malignancy. According to the Cleveland Clinic Centre for Continuing Education, infection accounts for 25% of all cases of hematuria Asymptomatic, microscopic hematuria is a common problem in children. The prevalence rate of microscopic hematuria in two or more samples of urine in school-aged children has been estimated at 1%-2% [1, 2]. The potential etiologies of microscopic hematuria in children are myriad but mostly benign [3]

Urine clots: Post-renal source of bleeding. IV. Causes: Asymptomatic Microscopic Hematuria by Incidence. Benign essential Hematuria (37%) Benign Prostatic Hyperplasia (24%) Urethra l Infection (21%) Urinary Tract Infection (7%) Nephrolithiasis (4%) Urethra l calculus (2% of asymptomatic microscopic hematuria in adults Tim Wollin, MD, FRCSC;*Bruno Laroche, MD;† Karen Psooy, MD‡ Introduction Microscopic hematuria is a frequent reason for referral to urology. It is often found incidentally as a result of routine examination in patients without urinary tract symptoms. Although there is gener Asymptomatic hematuria (gross or microscopic) is relatively common in children. The estimated prevalence of asymptomatic microscopic hematuria in children is 0.5% to 2.0%; the incidence of asymptomatic gross hematuria is not known. Because the clinical significance of asymptomatic hematuria is uncertain, the traditional approach is to pursue a. The prevalence of asymptomatic microscopic hematuria (AMH) ranges from 2 to 30% depending on its definition and the age, gender, and the risk factors of the population studied [].AMH is considered clinically significant as it may occasionally be an early sign of potentially serious renal and urological pathologies An underlying disease of asymptomatic microscopic hematuria was predefined as a urinary stone, renal mass, urothelial cancer or other relevant lesions. Results At the initial urinalysis, 6.2% (3517/56 632) were diagnosed with asymptomatic microscopic hematuria

Microscopic Hematuria (Persistent) - Province of BritishNephrology: 2HematuriaPPT - Management of Hematuria in Children PowerPoint1 Minute Read: Hematuria Differential Diagnosis

Asymptomatic: Literature suggests that as many as 10% of adults and 6% of children in the U.S. may have some degree of microscopic hematuria at any given time. 3 Pseudohematuria : Urine may appear red, or a urine dipstick may read positive for blood if myoglobin or bilirubin are present in the urine Asymptomatic Microscopic Hemature : 2012 AUA Guidelines 1. 2012 AUA Guidelines ASYMPTOMATIC MICROSCOPIC HEMATURIA: 2012 AUA GUIDELINES Andrew James Tompkins, M.D. Clinical Instructor in Surgery (Urology) The Warren Alpert School of Medicine at Brown University Urologic Specialists of New England Andrew_Tompkins@Brown.edu 2 Asymptomatic microscopic hematuria (three or more red blood cells per high powered field on a single urine microscopy) in the absence of urinary tract infection. Exclusion Criteria: Known urologic disease; Presence of gross hematuria; Presence of indwelling urologic foreign body (foley catheter, ureteral stent Failure to confirm hematuria on repeat testing is reassuring, although some sources have recommended repeated tests over the following year to reduce the likelihood of occult disease. 4 The emergence of new urinary symptoms, the recurrence of microscopic hematuria or the appearance of gross hematuria at any time should trigger reassessment with asymptomatic microscopic hematuria, the inci-dence of simple renal cysts was 20.7%. This incidence was higher than the rates of 2.1% to 14% previously reported in Japan, 7-9 but lower than the rate of 24% reported by Laucks et al. 5 In an autopsy study, Kissane identified a much higher incidence of simple renal cyst