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  2. Elevated alpha-fetoprotein - Wikipedia

    en.wikipedia.org/wiki/Elevated_alpha-fetoprotein

    Elevated alpha-fetoprotein refers to a state where alpha-fetoprotein levels are outside of the reference range. There are two categories of AFP tests: tests performed on serum (blood plasma), and tests performed on amniotic fluid. Tests performed on serum are further categorized by the reason for performing the test: maternal serum, adult tumor ...

  3. Endodermal sinus tumor - Wikipedia

    en.wikipedia.org/wiki/Endodermal_sinus_tumor

    Diagnosis of EST in pregnant women and in infants is complicated by the extremely high levels of AFP in those two groups. Tumor surveillance by monitoring AFP requires accurate correction for gestational age in pregnant women, and age in infants. In pregnant women, this can be achieved simply by testing maternal serum AFP rather than tumor ...

  4. Hepatoblastoma - Wikipedia

    en.wikipedia.org/wiki/Hepatoblastoma

    The most common method of testing for hepatoblastoma is a blood test checking the alpha-fetoprotein level. Alpha-fetoprotein (AFP) is used as a biomarker to help determine the presence of liver cancer in children. At birth, infants have relatively high levels of AFP, which fall to normal adult levels by the second year of life.

  5. Alpha-fetoprotein - Wikipedia

    en.wikipedia.org/wiki/Alpha-fetoprotein

    Very high AFP levels may be subject to hooking (see Tumor marker), which results in the level being reported significantly lower than the actual concentration. [29] This is important for analysis of a series of AFP tumor marker tests, e.g. in the context of post-treatment early surveillance of cancer survivors, where the rate of decrease of AFP ...

  6. Tumor marker - Wikipedia

    en.wikipedia.org/wiki/Tumor_marker

    When a malignant tumor is found by the presence of a tumor marker, the level of marker found in the body can be monitored to determine the state of the tumor and how it responds to treatment. If the quantity stays the same during treatment it can indicate that the treatment isn't working, and an alternative treatment should be considered.

  7. Hepatocellular carcinoma - Wikipedia

    en.wikipedia.org/wiki/Hepatocellular_carcinoma

    In the United States, the American Association for the Study of Liver Diseases(AASLD) recommends ultrasound screenings every six months for people with cirrhosis, with or without measurement of blood levels of the tumor marker alpha-fetoprotein (AFP). [38] [6] Elevated levels of AFP are associated with active HCC disease, though their ...

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