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Prostate Specific Antigen (Total) PSA

725507
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4.2
NABL, ISO
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Overview
Interpreting Results
FAQ's
Prostate Specific Antigen (Total) PSA

Overview of Prostate Specific Antigen (Total) PSA

What is Prostate Specific Antigen (Total) PSA?

Prostate Specific Antigen or PSA is a protein secreted by the prostate gland which serves as a marker for conditions affecting the prostate gland including prostate cancer, Benign Prostatic Hyperplasia (BPH), and prostatitis (inflammation of the prostate gland). The PSA Test is performed to measure the total PSA levels (both free and bound) in blood.

Why is Prostate Specific Antigen (Total) PSA done?

The PSA Test is performed:

·         To screen for and help diagnose prostate cancer

·         To detect and diagnose diseases of the prostate gland like BPH

·         To monitor the effectiveness of treatment for prostate cancer

What does Prostate Specific Antigen (Total) PSA Measure?

The PSA Test measures the total PSA levels (both free and bound) in blood.

PSA is a protein which is secreted by the prostate gland. The prostate gland is a male accessory reproductive organ, the secretion of which contributes to the formation of the seminal fluid. Most of the PSA produced is secreted in the seminal fluid along with prostatic secretions and only a small amount is secreted into the bloodstream. PSA is considered to be a tumor marker since its levels in the blood are elevated in prostate cancer and BPH, and it is used as a preliminary screening test before further diagnostic procedures.

PSA in blood is found as either complexed PSA (bound to other proteins) or free PSA. The PSA Test usually calculates the total PSA levels in blood including both free and complexed forms. Separate tests for the levels of these two forms can be used to distinguish between prostate cancer and BPH.



Preparation for Prostate Specific Antigen (Total) PSA

  • The sample should be collected before a digital rectal examination or rectal prostatic ultrasonography is performed and before or several days after the prostate biopsy.

Sample Type for Prostate Specific Antigen (Total) PSA

The sample type collected for Prostate Specific Antigen (Total) PSA is: Blood

Interpreting Prostate Specific Antigen (Total) PSA results

Interpretations

The normal value of PSA in blood is below 4.0 ng/ml

PSA level roughly between 4.0 and 10.0 ng/ml is considered a “grey zone”.

Lower than 4.0 ng/ml PSA in blood indicates very low risk for prostate cancer or BPH, while higher than 10.0 ng/ml indicates a very high risk of developing prostate cancer or BPH.

Different forms of PSA testing, as well as other tests, are recommended for further diagnosis.




Answers to Patient Concerns & Frequently Asked Questions (FAQs) about Prostate Specific Antigen (Total) PSA

Frequently Asked Questions about Prostate Specific Antigen (Total) PSA

Q. How is this test performed?
This test is performed on a blood sample. A syringe with a fine needle is used to withdraw blood sample from a blood vessel in your arm generally from the inner side of the elbow area. The doctor, nurse or the phlebotomist will tie an elastic band around your arm which will help the blood vessels to swell with blood. This makes it easier to withdraw blood. You may be asked to tightly clench your fist. Once the veins are clearly visible, the area is cleaned with an antiseptic solution and then the needle is inserted into the blood vessel to collect the sample. You may feel a tiny pinprick during the procedure. Blood sample once collected is then sent to the laboratory.
Q. Is there any risk associated with this test?
There is no risk associated with the test. However, since this test involves a needle prick to withdraw the blood sample, in very rare cases, a patient may experience increased bleeding, hematoma formation (blood collection under the skin), bruising or infection at the site of needle prick.
Q. Is there any preparation required before the PSA test?
Ejaculation (either during sex or masturbation) is to be avoided for 24 hours before the sample is collected. Inform the doctor of any medications you may be taking. No other specific preparations are usually required before the PSA Test.
Q. What factors can affect the test results?
The PSA levels in the blood can be affected by a number of factors including: · Ejaculation · Direct prostate examinations · Physical activities like cycling, horse-riding, etc. · Chemotherapy · Infections of the prostate gland · Prostate Biopsy · Cystoscopy (a procedure where an endoscope is inserted through the urethra to examine the urinary bladder) · Urinary catheter · Urinary tract infections
Q. What additional tests can be prescribed by your doctor in case the result of PSA test is not normal?
Additional tests that may be prescribed in case of abnormal PSA test result are: · Digital Rectal Examination (DRE) · Free PSA Test · Urinalysis · Prostate Ultrasound · Prostate Biopsy
Q. What is BPH?
Benign Prostatic Hyperplasia or BPH is a condition characterized by enlargement of the prostate gland. Enlargement due to BPH is usually caused due to aging and does not develop into cancer. The enlarged prostate puts pressure on the urethra and leads to blockage, causing urinary retention, weak or no urine flow, urinary bladder stones, infections or kidney damage.
Q. Can the PSA test detect all types of prostate cancer?
Increased PSA level is usually an indication of prostate cancer. However, it cannot confirm the diagnosis of cancer since elevated PSA levels can be seen in other conditions as well. Also, PSA levels are not significantly increased in slow growing forms of prostate cancer and many times prostate cancer can occur without increased PSA levels. PSA is usually accompanied by other tests like Digital Rectal Examination and biopsy to confirm the diagnosis of cancer.
Q. In what other ways are the PSA test results evaluated to help in diagnosis?
PSA Test results can also be evaluated in the following ways: · PSA Velocity: Estimates increase or decrease in PSA levels over time. A significant increase indicates cancer. Faster the increase in PSA, more aggressive is the cancer. · PSA Doubling Time: Also tracks PSA increase by measuring the time in which PSA levels double. · PSA Density: Measures PSA levels in blood against volume of the prostate gland seen by ultrasound. The PSA levels should be in accordance with the visible volume of prostate, higher levels indicate chance of cancer. · Age-specific PSA: PSA levels increase with age, hence the normal range of PSA is to be established for the age of the particular person being tested.
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Gen-X Diagnostics is a unit of ARA Healthcare Pvt. Ltd. founded by leading applied research scientist Dr. Rama Mukherjee. Gen-X specializes in the field of molecular diagnostics, focusing on the development of genetic, biological and molecular diagnostic services. It is one of the first of its kind R&D Company focusing on development of genetic, biological and molecular diagnostic services with an intention to assisting its global partners in shortening the cycle and lowering the cost of drug discovery and development by providing cost effective and efficient co-development and outlicencing solution. Gen X Diagnostics is a unique leading Molecular Diagnostics in India offering a wide range of tests for infectious diseases, transplantation medicine, prenatal diagnostics, cancer, genetic disorder, metabolic and hormonal disorders. Gen-X Diagnostics has started its diagnostics operation from Dec 2007. We do reflect a commitment to improving the lives through the delivery of innovative diagnosis and therapeutic products that enable and provide optimal care.

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