Monday, October 3, 2022

Can Prostate Cancer Be Detected In Blood Test

Must read

Biopsy During Surgery To Treat Prostate Cancer

Dr. David Samadi – Can Prostate Cancer Be Detected Using A Urine Test?

If there is more than a very small chance that the cancer might have spread , the surgeon may remove lymph nodes in the pelvis during the same operation as the removal of the prostate, which is known as a radical prostatectomy .

The lymph nodes and the prostate are then sent to the lab to be looked at. The lab results are usually available several days after surgery.

What Is Screening For Prostate Cancer

Some men get a PSA test to screen for prostate cancer. Talk to your doctor, learn what is involved, and decide if a PSA test is right for you.

Cancer screeningexternal icon means looking for cancer before it causes symptoms. The goal of screening for prostate cancer is to find cancers that may be at high risk for spreading if not treated, and to find them early before they spread.

If you are thinking about being screened, learn about the possible benefits and harms of screening, diagnosis, and treatment, and talk to your doctor about your personal risk factors.

There is no standard test to screen for prostate cancer. Two tests that are commonly used to screen for prostate cancer are described below.

Recommended Reading: Does An Enlarged Prostate Affect A Man Sexually

Signs That Warrant An Immediate Trip To A Doctor

Some common cancer signs that should result in a visit to the emergency room or to a doctor as soon as possible include:

  • coughing up mucus tinged with blood
  • blood in stools or urine
  • lump in the breast, testicles, under the arm, or anywhere that it didnt exist before
  • unexplained but noticeable weight loss
  • severe unexplained pain in the head, neck, chest, abdomen, or pelvis

These and other signs and symptoms will be evaluated. Screenings, such as blood and urine tests and imaging tests, will be used if your doctor thinks its appropriate.

These tests are done both to help make a diagnosis as well as rule out various causes of your signs and symptoms.

When seeing a doctor, be prepared to share the following information:

  • your personal medical history, including all symptoms you have experienced, as well as when they began
  • family history of cancer or other chronic conditions
  • list of all medications and supplements you take

Recommended Reading: Is Zinc Good For Prostate

What Does It Show

An ultrasound machine creates images called sonograms by giving off high-frequency sound waves that go through your body. As the sound waves bounce off organs and tissues, they create echoes. The machine makes these echoes into real-time pictures that show organ structure and movement and even blood flow through blood vessels. The images can be seen on a computer screen.

Ultrasound is very good at getting pictures of some soft tissue diseases that dont show up well on x-rays. Ultrasound is also a good way to tell fluid-filled cysts from solid tumors because they make very different echo patterns. Its useful in some situations because it can usually be done quickly and doesnt expose people to radiation.

Ultrasound images are not as detailed as those from or scans. Ultrasound cannot tell whether a tumor is cancer. Its use is also limited in some parts of the body because the sound waves cant go through air or through bone.

Doctors often use ultrasound to guide a needle to do a biopsy . The doctor looks at the ultrasound screen while moving the needle and can see the needle moving toward and into the tumor.

For some types of ultrasound exams, the transducer is pushed against and moved over the skin surface. The sound waves pass through the skin and reach the organs underneath. In other cases, to get the best images, the doctor must use a transducer thats put into a body opening, such as the esophagus , rectum, or vagina.

Prostate Cancer Urine Test

Prostate cancer can be detected by a new blood test

This test detects the gene PCA3 in your urine and can also help your doctorbetter assess your prostate cancer risk.

PCA3 is a prostate-specific noncoding RNA. Its a gene thats only in yourprostate. If the gene is overexpressed , then theres a greater chance you have prostate cancer.

Like PSA and PHI tests, this isnt definitive, either. But data suggestthat when cancer is present, the PCA3 will be positive 80 percent of thetime. This test can also help your doctor determine whether a biopsy isnecessary.

Both of these new tests are more accurate than the PSA test. Your doctormay recommend one or more than one, based on the specifics of your case.

Also Check: Flomax No Ejaculate

Your Psa Is Going Up Whats Going On With Your Prostate Good News: Second

Your PSA is going up. Whats going on with your prostate? Do you need a biopsy? Or, maybe youve already had a biopsy that didnt find cancer, but your urologist is wondering whether you need another one. Whats the next step?

Good news: You dont have to move directly to having needles stuck in your prostate! Its not the Monopoly bad-case-scenario of Do not pass Go, do not collect $200! There is a next step! Its a second-line test: a blood or urine test that can provide other layers of information beyond the basic PSA test. There are several good ones out there. Which one do you need? Well, as Marlon Brando said in the classic 1953 movie, The Wild One: Whadya got?

Theres no shortage of options! There are blood tests that provide more nuanced information than the basic PSA test, plus urine tests and even, if youve already had a biopsy, molecular biomarker tests, which arent done on body fluids but on tissue samples. These tests can be helpful, not only in diagnosing cancer, but in risk stratification predicting which cancer is more likely to be aggressive, and which cancer is less likely to need immediate treatment.

Now, about those other blood tests: In addition to the free PSA test, here are two more that include free and total PSA, but look for other factors, as well:

  • Copied

Discuss Prostate Cancer Testing With Your Doctor

Medical authorities do not recommend that all men should be tested for prostate cancer. In fact, most authorities suggest that men should make their own choice about whether or not to have a PSA test. If you decide to be tested, it is recommended that it should be done every two years from 50 to 69 years of age, and only if your health is such that you expect to live for at least another seven years.

Men at high risk of prostate cancer, such as men with a family history of prostate cancer , or men who have previously had an elevated test result, can start two-yearly testing from age 45. Your doctor can help you decide whether this is necessary.

While there is now some evidence that regular testing may prevent prostate cancer deaths, there are concerns that many men may be diagnosed and treated unnecessarily as a result of being screened, with a high cost to their health and quality of life .

However, the option of active surveillance, where a low-risk cancer is watched closely instead of being treated, helps to lower these risks. Active surveillance is now used quite commonly in Australia for men with low-risk prostate cancer.

If you are unsure whether or not to be tested after considering the benefits and uncertainties of testing and your own risk of prostate cancer, discuss it with your doctor.

In Australia, if you choose to be tested for prostate cancer the tests are covered by Medicare.

Recommended Reading: Bisphosphonates For Prostate Cancer

What Is The Psa Test

Prostate-specific antigen, or PSA, is a protein produced by normal, as well as malignant, cells of the prostate gland. The PSA test measures the level of PSA in a mans blood. For this test, a blood sample is sent to a laboratory for analysis. The results are usually reported as nanograms of PSA per milliliter of blood.

The blood level of PSA is often elevated in men with prostate cancer, and the PSA test was originally approved by the US Food and Drug Administration in 1986 to monitor the progression of prostate cancer in men who had already been diagnosed with the disease. In 1994, FDA approved the use of the PSA test in conjunction with a digital rectal exam to test asymptomatic men for prostate cancer. Men who report prostate symptoms often undergo PSA testing to help doctors determine the nature of the problem.

In addition to prostate cancer, a number of benign conditions can cause a mans PSA level to rise. The most frequent benign prostate conditions that cause an elevation in PSA level are prostatitis and benign prostatic hyperplasia . There is no evidence that prostatitis or BPH leads to prostate cancer, but it is possible for a man to have one or both of these conditions and to develop prostate cancer as well.

Determining Whether Prostate Cancer Is Aggressive

Hopes new blood test will make prostate cancer detection easier | Nine News Australia

If a biopsy sample is found to contain cancer, the pathologist analyzing the specimen takes a deeper look at the cancer cells to determine how aggressive the disease is likely to be.

If the cancer cells appear significantly abnormal and dissimilar from healthy cells under a microscope, the cancer is considered more aggressive and expected to advance quickly. Conversely, cancer cells that look relatively similar to healthy cells indicate that its less aggressive and may not spread as fast.

Prostate cancers are assigned a Gleason score depending on how abnormal the cells look..

Gleason score: Gleason scores range from 2 to 10, going from least to most aggressive prostate cancers.

There are different types of cancer cells in a prostate tumor, so the final Gleason score is determined by adding the scores of the two main areas of the tumor.

First, the primary part of the tumor is assigned a number between 1 and 5. Lower numbers indicate that the cells appear relatively similar to healthy cells, while higher numbers show that the cells are abnormal-looking. Then, another number between 1 and 5 is assigned to describe the second most prevalent area of the tumor.

Finally, the two numbers assigned to the different parts of the prostate tumor are added. So, if most of the tumor is given a 4, and some of the tumor is more aggressive and given a 5, the final Gleason score would be 9.

There are many biomarker tests, including:

  • Oncotype DX® Genomic Prostate Score
  • Prolaris
  • ProMark®

Read Also: Prostaglandins Erectile Dysfunction

Prostate Cancer Diagnosis May Be More Accurate With Semen Test

Prostate cancer is one of the most common cancers in men and a major cause of cancer-related deaths. Yet it is tricky to diagnose the commonly used PSA test can result in over- diagnosis and unnecessary further procedures. Now, new research led by the University of Adelaide in Australia promises to improve the accuracy of prostate cancer diagnosis with the help of biomarkers in seminal fluid.

Writing in the journal Endocrine-Related Cancer, the researchers describe how they analyzed seminal fluid samples from 60 men and found small molecules called microRNAs were surprisingly accurate at indicating which men had prostate cancer and how severe it was.

The problem with the current PSA test for prostate cancer is that, while it is very sensitive, it is not highly specific for prostate cancer. For instance, it might be positive for non-cancerous conditions such as prostatic hyperplasia and prostatitis.

This results in many unnecessary biopsies and, perhaps more seriously, in substantial over-diagnosis and over-treatment of slow-growing, non-lethal prostate cancers that are probably best left alone and just monitored under a so-called watchful waiting regime.

Biomarkers that can accurately detect prostate cancer at an early stage and identify aggressive tumors are urgently needed to improve patient care, says lead author Dr. Luke Selth, a Young Investigator of the Prostate Cancer Foundation in the US.

Early Detection Of Prostate Cancer

Early detection is key to achieving cure in men with prostate cancer. At UCLA, our ability to identify men at an early stage is enhanced by our cutting-edge prostate imaging program, which utilizes the most advanced MRI technology to find tumors that conventional approaches such as ultrasound can miss. We also use specialized testing to evaluate men at high risk for prostate cancer who have had prior negative prostate biopsies.

You May Like: What Is Perineural Invasion In Prostate Cancer

A Note On Suspicious Results

A suspicious result indicates that the biopsy sample contained some abnormalities but no cancer was found. There are a couple of potential explanations for a suspicious prostate biopsy result, including:

  • Prostatic intraepithelial neoplasia refers to changes within prostate cells that are abnormal, but not indicative of cancer. This condition is low-grade or high-grade, depending on how abnormal the cells are. Low-grade PIN is very common and isn’t associated with prostate cancer. High-grade PIN, however, is associated with a higher risk of prostate cancer. If you have high-grade PIN after a prostate biopsy, your doctor may recommend that biomarker tests be performed on the sample to learn more about the cells. Alternatively, another prostate biopsy may be suggested.
  • Atypical small acinar proliferation indicates that the biopsy sample contains some cells that appear to be cancerous, but not enough to confirm the diagnosis. In most cases, this finding suggests that another prostate biopsy is needed.
  • Proliferative inflammatory atrophy describes a prostate biopsy that reveals inflammation in the prostate and abnormally small prostate cells. While these cells arent cancerous, having PIA may be associated with an increased risk of developing prostate cancer.

Getting The Results Of The Biopsy

Prostate

Your biopsy samples will be sent to a lab, where they will be looked at with a microscope to see if they contain cancer cells. Getting the results usually takes at least 1 to 3 days, but it can sometimes take longer. The results might be reported as:

  • Positive for cancer: Cancer cells were seen in the biopsy samples.
  • Negative for cancer: No cancer cells were seen in the biopsy samples.
  • Suspicious: Something abnormal was seen, but it might not be cancer.

If the biopsy is negative

If the prostate biopsy results are negative , and the chance that you have prostate cancer isnt very high based on your PSA level and other tests, you might not need any more tests, other than repeat PSA tests sometime later.

But even if many samples are taken, biopsies can still sometimes miss a cancer if none of the biopsy needles pass through it. This is known as a false-negative result. If your doctor still strongly suspects you have prostate cancer , your doctor might suggest:

  • Getting other lab tests to help get a better idea of whether or not you might have prostate cancer. Examples of such tests include the Prostate Health Index , 4Kscore test, PCA3 tests , and ConfirmMDx. These tests are discussed in Whats New in Prostate Cancer Research?
  • Getting a repeat prostate biopsy. This might include getting additional samples of parts of the prostate not biopsied the first time, or using imaging tests such as MRI to look more closely for abnormal areas to target.

Prostate cancer grade

Gleason score

Read Also: Is Zinc Good For Prostate

Prostate Cancer: Advancements In Screenings

Reviewed By:

Dr. Christian Paul Pavlovich

You may know thatprostate canceris one of the most common cancer types in men. The good news is that thereare many treatment and management options, even if the cancer is caught ata later stage.

What you may not know: There are several options when it comes toprostate cancer screening. After considering multiple factors, your doctor may recommend theprostate-specific antigen test, and/or one of the newer screeningtests that are now available.

Johns Hopkins urologistChristian Pavlovich, M.D., explains what you should know.

What If A Screening Test Shows An Elevated Psa Level

If a man who has no symptoms of prostate cancer chooses to undergo prostate cancer screening and is found to have an elevated PSA level, the doctor may recommend another PSA test to confirm the original finding. If the PSA level is still high, the doctor may recommend that the man continue with PSA tests and DREs at regular intervals to watch for any changes over time.

If a mans PSA level continues to rise or if a suspicious lump is detected during a DRE, the doctor may recommend additional tests to determine the nature of the problem. A urine test may be recommended to check for a urinary tract infection. The doctor may also recommend imaging tests, such as a transrectal ultrasound, x-rays, or cystoscopy.

If prostate cancer is suspected, the doctor will recommend a prostate biopsy. During this procedure, multiple samples of prostate tissue are collected by inserting hollow needles into the prostate and then withdrawing them. Most often, the needles are inserted through the wall of the rectum . A pathologist then examines the collected tissue under a microscope. The doctor may use ultrasound to view the prostate during the biopsy, but ultrasound cannot be used alone to diagnose prostate cancer.

Don’t Miss: Prostate Gland Medical Definition

How Are Researchers Trying To Improve The Psa Test

Scientists are investigating ways to improve the PSA test to give doctors the ability to better distinguish cancerous from benign conditions and slow-growing cancers from fast-growing, potentially lethal cancers. None has been proven to decrease the risk of death from prostate cancer. Some of the methods being studied include:

What Are The Prostate Cancer Symptoms I Need To Look Out For

Can cancer be detected through a blood test?

In its early stages, prostate cancer may not show any symptoms. Symptoms of early prostate cancer can include:

  • difficulty passing urine
  • a slow, interrupted flow of urine
  • frequent passing of urine, including at night
  • incontinence.

Symptoms associated with advanced prostate cancer include:

  • blood in urine
  • pain during urination
  • lower back or pelvic pain.

These symptoms are also found in men who may have benign prostatic hyperplasia , a common, non-cancerous enlargement of the prostate gland.

If you experience these symptoms, visit your doctor.

Recommended Reading: What Is Perineural Invasion In Prostate Cancer

More articles

Popular Articles