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Cancer Definition

What does a 1.1 tumor marker mean?

Discuss Colorectal cancers

What does a 1.1 tumor marker mean?

Postby nixon87 » Fri Oct 28, 2011 5:57 pm

Does it mean there is a small amount of cancer still in the body. My husband had colon cancer but is cancer free right now.
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What does a 1.1 tumor marker mean?

Postby avonmore » Fri Oct 28, 2011 6:03 pm

Tumor Markers
Key Information

For baseline and observation — to assess tumor burden and monitor levels of tumor and indicate a recurrence; prognosis (what treatment to use if the tumor should recur); most tumor markers are NOT specific, meaning that positive result does not necessarily mean that the primary site can be readily identified.
Acid Phosphatase
Also called:

Acid phos, acid f, acid p'tase. A test of blood serum to detect a specific enzyme produced by several tissues, particularly the prostate. Acid phosphatase levels are elevated in 85% of cases with skeletal metastases, 60% of untreated cases, and 20% of localized cases. Usually ordered as a separate laboratory test. May also be ordered as prostatic acid phosphatase (PAP), a measure of acid phosphatase secreted by prostate gland cells specifically. Note:test results may be affected by recent prostatic massage or palpation; acid phosphatase level should be assayed before digital rectal examination. Normal range: varies according to method of processing the serum:
ACTH (Adrenocorticotropic Hormone)

Elevated level found in paraneoplastic syndrome caused by small cell carcinoma. Non-diagnostic of lung cancer, but an indicator of metastases.
Alkaline Phosphatase
Also called:

Alk phos, alk f, ALP. May be included in blood chemistry screening panel. Normal range: 20-90 I.U./liter. Normal range may vary somewhat according to the brand of laboratory assay materials used.
Alpha-fetoprotein

A serum test used as a tumor marker for hepatocellular cancer. Elevated alpha-fetoprotein levels are also found in certain ovarian and teratocarcinoma or embryonal carcinoma of the testis. Elevated alpha-fetoprotein levels are not found in other histologies of testicular cancer. Note: Observe the date of an alpha-fetoprotein study carefully. Record a pre-operative study only. Alpha-fetoprotein is also used as a marker postoperatively to monitor residual tumor. Also called: FP, AFP, alpha-fetoglobulin. Normal range: Adults: < 15 ng/ml


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What does a 1.1 tumor marker mean?

Postby macnicol » Fri Oct 28, 2011 6:19 pm

Clearly dhananjaya Bhupathi is not a real doctor and doesn’t bother to answer your question.

The doctor who order the test is responsible for explaining it to you and it always puzzles me when people come here and ask question which should have been covered by their doctor.
Tumor markers are used to monitor treatment.
You don’t mention what it was before treatment or even which marker it is.
Since he had colon cancer and by the number I assume it is a CEA, although it could be a CA 19-9. In either case 1.1 is in the normal range and if it decreased from its pretreatment level it means his treatment was effective.
There is no way to know if there is a single cancer cell left in his body. We do not have tests to determine that yet.
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