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Doctor insights on: Triple Marker Screening Test

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Dr. Gary Pess
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Screening (Definition)

Examples are: colonoscopy for colon polyp or cancer; mammograms for breast lesions or cancer; psa a blood test that could indicate enlargement of cancerous prostate tissue; blood sugar or hemoglobin a!c for diabetes. Many think that scanning the whole body will pick up a cancer--in all likelihood, it will not. There also is no good blood test, yet, ...Read more


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Positive HIV screener test at blood donation... Negative IFA and Negative NAT... False positive?

Positive HIV screener test at blood donation... Negative IFA and Negative NAT... False positive?

Yes: The initial screening test for HIV is very sensitive, but not very specific. The back up screening tests are much more specific for HIV. ...Read more

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Ana screen, ifa positive a (negative) means?

Ana screen, ifa positive a  (negative)   means?

Nothing by itself: One person in four tests positive. The vast majority of these people have no problems. The clinical picture is key, and how high the titer is may be helpful. ...Read more

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Does urinalysis occult test detect cancer?

Does urinalysis occult test detect cancer?

No: Testing urine for cancer cells as screening of after treatment is not routine. Specific assays are being refined for detection. Finding occult blood or proteins may prompt evaluation but again most often does not lead to cancer diagnosis. ...Read more

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Can an HIV antibody screening test be positive but the western blot negative?

Can an HIV antibody screening test be positive but the western blot negative?

Yes: There are 2 reasons for this kind of result: (1) a false positive, or (2) early infection before seroconversion. In someone at low risk for HIV without symptoms, another negative WB in 1 month means there's no infection. In someone at risk or with symptoms of acute infection, a viral load can be helpful. The new 4th generation antigen/antibody tests will eliminate this problem. ...Read more

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Which colon cancer screening test is used?

Which colon cancer screening test is used?

Many options: The gold standard is colonoscopy, which is performed under sedation. Other alternatives include barium enema, ct colonography ("virtual colonoscopy"), flexible sigmoidoscopy, and/or checking for blood in bowel movements (hemoccult test). I recommend colonoscopy for all my patients at age 50 (or earlier, if they have a family history). ...Read more

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Does a CBC blood test detect cancer? Specifically lymphoma?

Does a CBC blood test detect cancer? Specifically lymphoma?

CBC & Lymphoma: There are a few lymphomas which can be detected on a CBC but most will not show up that way. In other words, if your CBC is normal doesn't mean you don't have lymphoma. A biopsy of any enlarged lymph node is suggested. ...Read more

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Is psa or CEA test reliable?

Is psa or CEA test reliable?

Yes, but depending..: Psa has been useful and reliable but depending on who uses it and how it's applied so not to serve political correctness and commercialism. More detail? To http://www.Formefirst.Com/newauapsa.Html and http://www.Formefirst.Com/freeinfoprostate.Html ...Read more

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What does a high positive ANA ifa test and negative choice antibody test mean?

See details: I have never heard of a choice antibody test. I positive ANA must be evaluated in the context of the clinical picture. It is a screening test for lupus but can be positive in numerous other diseases and often in people without any disease. ...Read more

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Please interpret- C.trachomatis RNA TMA Result: Detected. Standard range: Not detected. Test performed using the Aptima Combo2 (R) assay gen-probe(r)

Please interpret-
C.trachomatis RNA TMA Result: Detected. Standard range: Not detected. Test performed using the Aptima Combo2 (R) assay gen-probe(r)

You have chlamydia: "Detected" means the test found chlamydia -- i.e. a positive result. Return to the doctor or clinic where the test was done for treatment. (If you tested yourself at a lab, see a doctor or clinic ASAP.) Your current or recent sex partner(s) also need treatment. Good luck! ...Read more

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Positive quantiferon gold test but negative xray?

Positive quantiferon gold test but negative xray?

See below: It means that you have been exposed to tb. A chest x-ray that is positive would indicate either past or active infection. ...Read more

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If report reads: estrogen reactor weakly positive, progesterone negative, her2 negative &invasive ductal carcinoma. Is this a triple negative cancer?

If report reads: estrogen reactor weakly positive, progesterone negative, her2 negative &invasive ductal carcinoma. Is this a triple negative cancer?

Even a weak ER+: Makes this better prognosis, and depending on other factors (oncotype, size, nodes) invite the use of tamoxifen or Arimidex (anastrozole) or Letrozole after chemo. All triple negative is not the same. Best wishes. ...Read more

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What is the ssa/Ssb blot test antibody blood test?

What is the ssa/Ssb blot test antibody blood test?

A test: for a certain autoimmune condition. it's important to understand that these blood tests need to be interpreted carefully in the context of your symptoms and exam findings. a positive test doesn't necessarily mean you have the condition. ...Read more

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Blood tests positive but biopsy and urease test negative for h.pylori. Is this normal?

Blood tests positive but biopsy and urease test negative for h.pylori. Is this normal?

The blood test for: H. Pylori checks for antibodies against the bacterium. Antibodies are proteins that help your body fight off infection and they may be detectable indefinitely, even for a lifetime. Biopsy & urease tests check for presence of an active infection. (+) H. Pylori blood test with negative biopsy & urease suggests you had the infection in the past but that it's not currently active. ...Read more

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How does an iscreen fecal occult blood test detect colon cancer?

How does an iscreen fecal occult blood test detect colon cancer?

No: A fecal occult test tests for blood in the stool. Colon cancer can be a cause but so can colon polyps, hemorrhoids, stomach ulcer and many other causes. Anyone with a positive fobt test should have further work up done to evaluate where the blood is coming from. ...Read more

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Will a standard blood test screen for pregnancy?

Will a standard blood test screen for pregnancy?

No: Standard blood studies do not address that question. A quick urine test for HCG is the easiest way. ...Read more

Marker (Definition)

A "marker" is a protein or enzyme that can represent a disease process. Some markers are specific for a particular disease, while ...Read more