Home Forums Melanoma Diagnosis: Stages I &II Margin question

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  • #20651
    cohanja
    Participant

    article from the April 2012 Dermatology Journal http://dermatology.jwatch.org/cgi/content/full/2012/406/

    “To clear the melanomas, 6-mm margins were sufficient in 86% of cases, 9-mm margins cleared 98.9%, 1.2 cm cleared 99.4%, 1.5 cm cleared 99.6%, and 100% of lesions were cleared with 3-cm margins. The 9-mm margins were significantly superior to 6-mm margins (P<0.001).

    I’m confused as to why a Stage I invasive melanoma surgery uses 1 cm margins, but yet for in situ they are saying not till 1.2 cm, 1.5 cm or 3 cm do they start getting to 99-100% clearance? So why does Stage I use just 1 cm?

    #56760
    Lisa P
    Participant

    Good question. I’ll look forward to hearing responses from those who might be knowledgable about such things…

    #56761
    cohanja
    Participant

    Me too.

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