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Related Experiment Videos

Melanoma arising under the nail

D N Papachristou, J G Fortner

    Journal of Surgical Oncology
    |December 1, 1982
    PubMed
    Summary

    Subungual melanoma, a rare under-nail cancer, is often misdiagnosed. Early detection and proper surgical management, including amputation and node dissection, are crucial for better patient prognosis.

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    Area of Science:

    • Oncology
    • Dermatology
    • Surgical Pathology

    Background:

    • Subungual melanoma is a rare neoplasm often presenting as a dark spot under the nail.
    • Diagnosis is frequently delayed or missed by primary care physicians, impacting patient outcomes.
    • The condition can lead to nail destruction and requires specialized management.

    Purpose of the Study:

    • To analyze the clinical presentation, diagnostic challenges, and optimal management of subungual melanoma.
    • To evaluate the effectiveness of surgical interventions, including amputation levels and lymph node dissection.
    • To identify prognostic factors influencing patient survival and outcomes.

    Main Methods:

    • Retrospective analysis of 52 patients diagnosed with subungual melanoma.
    • Review of diagnostic accuracy by primary care physicians.
    • Evaluation of surgical management strategies, including amputation and regional node dissection.

    Main Results:

    • 42% of cases were initially misdiagnosed by primary care physicians.
    • Optimal amputation levels were identified as tarsometatarsal or carpometacarpal.
    • Node dissection during amputation improved outcomes, irrespective of clinical node involvement.
    • Nail destruction and nodal metastasis negatively impact prognosis; finger melanomas have a better outlook.

    Conclusions:

    • Subungual melanoma requires high clinical suspicion due to frequent diagnostic delays.
    • Standardized surgical protocols, including appropriate amputation and prophylactic node dissection, are essential.
    • Prognosis is significantly influenced by tumor stage, nail destruction, and nodal status.

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