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Radiation therapy for malignant melanoma

F B Geara1, K K Ang

  • 1Department of Radiation Oncology, University of Texas, M. D. Anderson Cancer Center, Houston, USA.

The Surgical Clinics of North America
|December 1, 1996
PubMed
Summary

Melanoma is not uniformly radiation resistant, challenging old dogmas. Radiation therapy offers a viable alternative for specific melanoma cases, improving local control and palliation.

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Area of Science:

  • Oncology
  • Radiation Oncology

Background:

  • Historically, melanomas were considered uniformly radiation resistant.
  • This dogma limited the role of radiation therapy in melanoma management.

Purpose of the Study:

  • To evaluate the current evidence for radiation therapy's role in melanoma management.
  • To identify specific melanoma subsets where radiation therapy is a viable alternative or adjunct.

Main Methods:

  • Review of retrospective and Phase II prospective studies.
  • Analysis of data on elective/adjunctive radiation therapy for primary and metastatic melanomas.
  • Consideration of palliative radiation therapy for symptomatic metastatic disease.

Main Results:

  • Radiation therapy is a viable alternative for localized melanomas causing cosmetic/functional deformity (e.g., lentigo maligna, uveal melanomas).
  • Elective/adjunctive radiation therapy improves local-regional control in specific patient groups (thick primary lesions, nodal involvement, mucosal melanomas).
  • Radiation therapy is effective for palliation of symptomatic metastatic melanoma, with response dependent on tumor volume, dose, and fractionation.

Conclusions:

  • Melanoma's radiation resistance is not absolute; radiation therapy has a defined role.
  • Radiation therapy improves local control and is valuable for palliation in metastatic melanoma.
  • Further research, including hyperthermia and experimental strategies, may enhance radiation therapy's utility in melanoma treatment.

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