What is CD138 plasma positive mean?

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traceyb
traceyb Member Posts: 27
edited December 2018 in Just Diagnosed With a Recurrence or Metastasis

result of biopsy say cd 138 positive what is that

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  • Murfy
    Murfy Member Posts: 342
    edited December 2018

    I had to look that one up! Apparently CD138 staining shows up in about 75% of IDCs. Where the staining is located (membrane vs cytoplasm) may be prognostic for breast cancer aggressiveness. It is also measured to see if patient is a candidate for immunotargeted treatment with indatuximab ravtansine, a drug primarily used in the treatment of myeloma. It is curious why your doc it.

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