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Lab Tests & Investigations - Prostate Problems
(All the tests related to Prostate Problems and Urine Tract Infections(UTI))
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Please enter values to your lab tests: Investigation Graph
Tests Reference Ranges
Date (mm/dd/yyyy)  
Prostate Specific Antigen (PSA): ng/ml 0 ng/ml
Urine Flow Test:  ml/Sec >25 ml/sec
Urine Culture(Urinalysis): Thousand CFU/ml <10 thousand CFU/ml
Related Tests
Date (mm/dd/yyyy)    
Blood Urea Nitrogen (BUN): mg/dl   7 - 20
Creatinine (Serum): mg/dl 0.8 - 1.4
Creatinine (Urine): mg/day 500mg - 2000mg per day
Facts about Lab tests
Prostate Specific Antigen (PSA)

PSA test results report the level of PSA detected in the blood. The test results are usually reported as nanograms of PSA per milliliter (ng/ml) of blood. In the past, most doctors considered PSA values below 4.0 ng/ml as normal. However, recent research found prostate cancer in men with PSA levels below 4.0 ng/ml (2). Many doctors are now using the following ranges, with some variation:

  • 0 to 2.5 ng/ml is low.
  • 2.6 to 10 ng/ml is slightly to moderately elevated.
  • 10 to 19.9 ng/ml is moderately elevated.
  • 20 ng/ml or more is significantly elevated.

 There is no specific normal or abnormal PSA level. However, the higher a man?s PSA level, the more likely it is that cancer is present. But because various factors can cause PSA levels to fluctuate, one abnormal PSA test does not necessarily indicate a need for other diagnostic tests. When PSA levels continue to rise over time, other tests may be needed.

Urine Flow
Peak urinary flow rate represents the highest flow rate achieved during a single urination and, as such, represents the patient's best effort at micturition. Peak flow rate, correlated with patient age and volume voided, effectively estimates lower urinary tract obstruction. The 63 normal and 368 abnormal male subjects urinated in privacy into a plastic sterile disposable device (the peakometer), which measured peak flow rate and volume voided. These data plus age, ultimate diagnosis and interval since last urination comprised our data base. Percentage distribution of diagnosis in this population was prostatic obstruction 47.3 per cent, stricture 19.3 per cent, normal 14.6 per cent, prostatitis 8.4 per cent, neurogenic bladder 2 per cent and miscellaneous 8.4 per cent. The average peak flow rate for normal male subjects reaches 27.6 ml. per second, which differs significantly from that for patients with prostatic obstruction--9.4 ml. per second, stricture--10.5 ml. per second, prostatitis--16.3 ml. per second and neurogenic bladder--13.9 ml. per second. The peak flow rate decreased progressively as the age of the subjects increased. We measured average decreases of 10 ml. per second peak flow for every 30 years after age 10. Peak flow rate increases as volume voided increases. Requirements of our measuring device combined with urodynamic responses caused us to select 100 ml. voided as the minimum acceptable volume. With volumes more than this any given individual may deviate plus or minus 10 per cent from the true mean peak flow depending upon volume voided. For practical purposes peak flow, age and volume must be considered to categorize voiding by peak flow rate. With these variables 2 graphs that compare peak flow, age and volume may be used to estimate voiding function for a given male patient. Comparison of peak flow rates, volume voided and voiding interval before and after surgical correction of obstruction documented significant increase in volume voided or in interval between voiding. Peak urinary flow rate measurement by this device predicted normality or abnormality with 90 to 95 per cent accuracy. Therefore, this represents a valid screening test but it does not in itself provide the diagnosis of abnormal urination.
Urine Culture

The presence of a single type of bacteria growing at high colony counts (greater than 10,000 colony forming units (CFU)/ml) is considered a positive urine culture. A culture that is reported as no growth in 24 or 48 hours or less than 10,000 CFU/ml usually indicates that there is no infection. If the symptoms persist, however, the culture may be repeated to look for the presence of bacteria at lower colony counts (less than 10,000 CFU/ml) or other microorganisms that may cause these symptoms. The presence of white blood cells and low numbers of microorganisms in a symptomatic patient is a condition known as acute urethral syndrome.

Kidney function Tests (Ferum)-
BUN:7to20 mg/dl Creatinine:0.8to1.4mg/dl Note=mg/dl=miligrams per deciliter
Creatinine:< 1.2mg/dL SI unit: < 106micro mol/L Urine (Male) - 0.8-2.4g/dAY SI UNIT-7.1-21.2mmol/dAY Urine(Female)0.6-1.8g/day SI UNIT-5.3-15.9mmol/day
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