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Related Experiment Videos

Multiple primary cutaneous melanomas.

S Kang1, R L Barnhill, M C Mihm

  • 1Department of Dermatology, Massachusetts General Hospital, Harvard Medical School, Boston.

Cancer
|October 11, 1992
PubMed
Summary
This summary is machine-generated.

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Patients with multiple primary melanomas often have a history of dysplastic nevi (DN). Regular skin examinations are crucial for early detection and management of subsequent melanomas, which can appear years later.

Area of Science:

  • Dermatology
  • Oncology
  • Epidemiology

Background:

  • Multiple primary cutaneous melanomas are a recognized clinical phenomenon.
  • Personal and family histories of melanoma and dysplastic nevi (DN) are significant risk factors.
  • Understanding the natural history of multiple melanomas is essential for patient management.

Purpose of the Study:

  • To examine the natural history of multiple primary cutaneous melanomas.
  • To evaluate the impact of regular follow-up examinations in patients with multiple melanomas.
  • To identify risk factors associated with the development of multiple melanomas.

Main Methods:

  • A retrospective study identified 41 patients with multiple cutaneous melanomas from a hospital's pathology and melanoma registry.

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  • Data collected included patient demographics, melanoma type, presence of dysplastic nevi, and family history.
  • Analysis compared characteristics and outcomes between patients with and without dysplastic nevi, and examined sequential melanoma diagnosis details.

    • Main Results:

    • The mean age at first diagnosis was 49 years; a 2:1 male to female ratio was observed.
    • Nineteen patients (46%) had dysplastic nevi, diagnosed at a younger average age than those without.
    • Sequential melanomas showed a significant decrease in tumor thickness, with diagnoses occurring up to 31 years apart.

    Conclusions:

    • Complete skin examinations are vital for all melanoma patients, including those with a new diagnosis.
    • Continued, regular follow-up with full skin examinations is recommended due to the long-term risk of developing subsequent melanomas.