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Minimal deviation melanoma.

Y D Podnos1, J C Jimenez, K Zainabadi

  • 1Department of Surgery, Irvine Medical Center, University of California, Orange County 92868, USA.

Cancer Treatment Reviews
|November 19, 2002
PubMed
Summary
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Minimal deviation melanomas (MDM) are uncommon skin tumors. This study found MDM affects younger patients (mean age 27) and is less aggressive than typical melanomas, with few positive lymph nodes.

Area of Science:

  • Dermatology
  • Oncology
  • Pathology

Background:

  • Minimal deviation melanomas (MDM) are poorly understood naevomelanocytic tumors.
  • Their position in the melanoma continuum and affected demographics are debated.
  • Previous studies suggested MDM affects middle-aged individuals and has a less aggressive nature.

Purpose of the Study:

  • To characterize the clinical and pathological features of Minimal Deviation Melanomas (MDM).
  • To determine the age and sex distribution of MDM patients.
  • To compare MDM characteristics with existing literature and assess its aggressiveness.

Main Methods:

  • Retrospective review of medical records from a tertiary care university medical center (January 1997 - May 2000).
  • Identification and examination of patients diagnosed with MDM.

Related Experiment Videos

  • Analysis of MDM subtype, age, sex, tumor location, and lymphatic mapping results.

    • Main Results:

    • The mean age of MDM patients was 27 years, with 20 out of 31 patients under 30.
    • MDM appears less aggressive than typical malignant melanomas.
    • Only 1 out of 5 patients undergoing lymphatic mapping had a positive lymph node.

    Conclusions:

    • MDM predominantly affects younger individuals, contrary to previous assumptions.
    • MDM exhibits a less aggressive clinical behavior compared to conventional melanomas.
    • Further research, including sentinel lymph node mapping and angiogenesis factor analysis, is needed to understand MDM's prognostic factors.