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Malignant melanoma. Delayed hypersensitivity skin testing

D F Roses, J F Campion, M N Harris

    Archives of Surgery (Chicago, Ill. : 1960)
    |January 1, 1979
    PubMed
    Summary
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    Delayed hypersensitivity skin testing in melanoma patients did not predict recurrence risk. Anergy, or lack of immune response, correlated with increased tumor burden, not a pre-existing deficiency.

    Area of Science:

    • Immunology
    • Oncology
    • Dermatology

    Background:

    • Malignant melanoma is a significant health concern.
    • Assessing immune status in melanoma patients is crucial for prognosis.
    • Delayed hypersensitivity (DHS) is a key immune response.

    Purpose of the Study:

    • To evaluate the relationship between delayed hypersensitivity and melanoma recurrence.
    • To determine if immune responsiveness can predict high-risk patients for melanoma recurrence.

    Main Methods:

    • 182 melanoma patients underwent DHS testing with recall antigens and 2,4-dinitrochlorobenzene (DNCB) before surgery.
    • Tumor depth (Clark-Mihm levels) and clinical stage were assessed.
    • Patients were followed for an average of 55 months for recurrence.

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    Main Results:

    • No significant difference in DHS response was observed across different Clark-Mihm levels or clinical stages.
    • Immune responsiveness did not differ between patients with and without recurrence.
    • Anergy was observed in 12 patients, none of whom developed recurrence.

    Conclusions:

    • Delayed hypersensitivity skin testing does not predict melanoma recurrence risk.
    • Anergy may indicate increased tumor burden rather than a predisposition to recurrence.
    • Immune response assessment may not be a reliable prognostic tool for early-stage melanoma.