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What is a "fish test"?

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anonymous

Learning About Breast Cancer over 8 years
 
  • Court Simas Profile
    anonymous
    Learning About Breast Cancer
    Fluorescence in situ hybridization (FISH) is a test that “maps” the genetic material in a person’s cells. This test can be used to visualize specific genes or portions of genes. FISH testing is done on breast cancer tissue removed during biopsy to determine whether the cells have extra copies of the HER2 gene. The more copies of the HER2 gene that are present, the more HER2 receptors the cells have. These HER2 receptors receive signals that stimulate the growth of breast cancer cells. The FISH test results will tell you that the cancer is either “positive” or “negative” (a result sometimes reported as “zero”) for HER2. There's more on that from this site: http://www.breastcancer.org/symptoms/testing/types/fish.jsp
    over 8 years Flag
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      anonymous
      Learning About Breast Cancer

      Thank You! I have had a mastectomy wth stage 1 invasive cancer and am HER positive. My surgeon ordered an Oncatest but my Oncologist said he wanted to start chemo bacause Oncatest was more geared towards HER negative patients and a Fish test was...

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      Thank You! I have had a mastectomy wth stage 1 invasive cancer and am HER positive. My surgeon ordered an Oncatest but my Oncologist said he wanted to start chemo bacause Oncatest was more geared towards HER negative patients and a Fish test was better tailored for me... appreciate the clarification.

      over 8 years Flag

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