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Juvenile malignant melanoma.

D S Reintgen1, R Vollmer, H F Seigler

  • 1Department of Surgery, Duke University Medical Center, Durham, North Carolina.

Surgery, Gynecology & Obstetrics
|March 1, 1989
PubMed
Summary
This summary is machine-generated.

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Malignant melanoma is rare in patients under 20, but survival rates are comparable to adults when treated aggressively. Juvenile melanoma shares similar characteristics and prognostic factors with adult melanoma.

Area of Science:

  • Dermatology
  • Pediatric Oncology
  • Oncology

Background:

  • Malignant melanoma in pediatric and adolescent populations (juvenile melanoma) is uncommon.
  • This study reviews cases of malignant melanoma in patients under 20 years old.

Purpose of the Study:

  • To compare the characteristics, prognostic factors, and survival outcomes of juvenile melanoma with adult melanoma.
  • To determine if age under 20 is an independent prognostic factor for melanoma development or survival.

Main Methods:

  • Retrospective computer-aided chart review of 78 patients under 20 diagnosed with malignant melanoma.
  • Analysis of demographic data, lesion characteristics, tumor invasiveness (Clark level), tumor thickness, and survival data.
  • Comparison of survival times and disease-free intervals between juvenile and adult melanoma patient groups, controlling for ulceration and tumor thickness.

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Main Results:

  • Juvenile melanoma accounted for 1.8% of all registered melanomas.
  • Superficial spreading type and Clark levels III-IV invasiveness were common in juveniles.
  • Actuarial survival times were similar between juvenile and adult populations (median 11.9 vs. 12.9 years).
  • A trend towards a shorter disease-free interval was observed in juveniles (5-year DFS: 57% vs. 65%).
  • Age under 20 was not an independent prognostic factor for metastases or overall survival.
  • Recurrence was observed in 46.2% of Stage I juvenile cases, primarily in local skin or regional lymph nodes.

Conclusions:

  • Despite its rarity, malignant melanoma occurs in patients under 20.
  • Juvenile melanoma exhibits similar characteristics and prognostic factors to adult melanoma.
  • Aggressive surgical therapy can lead to survival rates comparable to adult melanoma patients.
  • Clinicians must maintain awareness of juvenile melanoma and its potential for recurrence.