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In adults, high blood levels (over 500 nanograms/milliliter) of AFP are seen in only three situations:
HCC
Germ cell tumors (cancer of the testes and ovaries)
Metastatic cancer in the liver (originating in other organs)
Several assays (tests) for measuring AFP are available. Generally, normal levels of AFP are below 10 ng/ml. Moderate levels of AFP (even almost up to 500 ng/ml) can be seen in patients with chronic hepatitis. Moreover, many patients with various types of acute and chronic liver diseases without documentable HCC can have mild or even moderate elevations of AFP.
The sensitivity of AFP for HCC is about 60%. In other words, an elevated AFP blood test is seen in about 60% of HCC patients. That leaves 40% of patients with HCC who have normal AFP levels. Therefore, a normal AFP does not exclude HCC. Also, as noted above, an abnormal AFP does not mean that a patient has HCC. It is important to note, however, that patients with cirrhosis and an abnormal AFP, despite having no documentable HCC, still are at very high risk of developing HCC. Thus, any patient with cirrhosis and an elevated AFP, particularly with steadily rising blood levels, will either most likely develop HCC or actually already have an undiscovered HCC.
An AFP greater than 500 ng/ml is very suggestive of HCC. In fact, the blood level of AFP loosely relates to (correlates with) the size of the HCC. Finally, in patients with HCC and abnormal AFP levels, the AFP may be used as a marker of response to treatment. For example, an elevated AFP is expected to fall to normal in a patient whose HCC is successfully removed surgically (resected).
There are a number of other HCC tumor markers that currently are research tools and not generally available. These include des-gamma-carboxyprothrombin (DCP), a variant of the gamma-glutamyltransferase enzymes, and variants of other enzymes (e.g., alpha-L-fucosidase), which are produced by normal liver cells. (Enzymes are proteins that speed up biochemical reactions.) Potentially, these blood tests, used in conjunction with AFP, could be very helpful in diagnosing more cases of HCC than with AFP alone.
To read more about Hepatocellular Carcinoma (HCC), please read the MedicineNet.com Liver Cancer (Hepatocellular Carcinoma) article.
Medical Author: Tse-Ling Fong, M.D.
Medical Editor: Leslie J. Schoenfield, M.D., Ph.D.
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I hope this helps a little. It would seem that your level is not high enough to indicate HCC but I can easily understand your concern. Stay on top of it and hopefully your doctor will be able to answer your questions and alleviate your anxiety. Good luck. Mike
God Bless!
Deb
Thank you so much for thinking of us...as always...
Things are not good. Amanda just stopped all her meds. Nothing was working. Her last attempt was daily infergen and zadaxin..no response..We decided to give her body a rest for a month or two...Our next try will be alpha/gamma combo. I here the results are quite promising...Anything is worth a shot at this point. Amanda had a biopsy in September, it showed some fat, some copper and alot of scarring..cirrhosis. We don't know why there was fat on her liver. she is a thin girl. Her tryglycerides are high and that may be the reason, so I think we will treat them. The problem is finding a safe lipid lowering drug. Anyone know of any? I think Welchol may be one. So that is the story..I haven't posted much lately, too depressing but still not giving up...Somewhere, something will work and we will find it..and when we do, we will share it with everyone..
How are you doing?? Please let me know...My emial address is:
***@**** drop me a line..
Hope all is well,
Jodi
But to try and answer your question, I've since learned that a slightly elevated AFP (e.g. < 50) can sometimes be attributed to the Hep C itself - it's believed to be a possible indicator of ongoing and/or increasing progression. In a case such as yours, though, where cirrhosis is present - much more attention should be paid to whether or not the elevated AFP is an indicator of tumor. I would speak to your doctor to ask what more testing they can do (e.g. - CAT scan w/ contrast, etc.) to try and pin down if this truly is an hepatic cancer. You might also consider getting a referral to see a hepatologist for a second opinion.
May God's blessings and mercy be upon you, your family and your caregivers.
TnHepGuy