How do I know which test is used to determine her2 status

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Karmic108
Karmic108 Member Posts: 101
edited March 2019 in Diagnosed and Waiting for Test Results

Which test was used to determine the HER2 status of the breast cancer?

ImmunoHistoChemistry test (IHC)

Fluorescence In Situ Hybridization test (FISH)

SPoT-Light HER2 CISH test

Inform HER2 Dual ISH test

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  • Elephant
    Elephant Member Posts: 88
    edited March 2019

    Kamic108: if it does not show it on your lab report, ask your BS. My biopsy report did not show what was used and I asked my BS (I can't remember now which one it was that he said would have been used). The pathology report from the surgery did, however, specify what test was used for the HER2 status.

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  • Ingerp
    Ingerp Member Posts: 2,624
    edited March 2019

    They do the IHC test first. It often comes back equivocal, so they'll re-test using FISH. It takes longer but is more definitive.

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  • Karmic108
    Karmic108 Member Posts: 101
    edited March 2019

    Just now the rad onco told they did ihc.

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