Dural melanoma associated with ocular melanosis and multiple blue nevi

J K Rivers1, S Bhayana, M Martinka

  • 1Division of Dermatology, Vancouver Hospital and Health Sciences Centre, 835 West 10th Avenue, Vancouver, British Columbia, Canada V5Z 4E8. jrivers@interchange.ubc.ca

Abstract

Insights

Primary dural melanoma, a rare CNS cancer, can be associated with ocular melanosis and blue nevi. Surgical removal offers prolonged survival, suggesting dural melanomas are less aggressive than other CNS melanomas.

Area of Science:

  • Neuro-oncology
  • Dermatology
  • Pathology

Background:

  • Primary meningeal melanomas of the central nervous system (CNS) are rare, typically originating from leptomeninges.
  • Primary dural melanomas are occasionally linked with Nevus of Ota.
  • The association of primary dural melanoma with multiple cutaneous blue nevi is unprecedented.

Observation:

  • A case report details a 41-year-old Asian woman with primary dural melanoma.
  • The patient presented with ocular melanosis and multiple cutaneous blue nevi.
  • The patient remains alive over 8 years post-tumor resection (subtotal and total).

Findings:

  • This case highlights a novel association between primary dural melanoma, ocular melanosis, and multiple blue nevi.
  • Prolonged survival was achieved through surgical intervention.
  • Dural melanomas may exhibit a less aggressive clinical course compared to other CNS melanomas.

Implications:

  • The coexistence of these conditions warrants further investigation into their shared etiology.
  • Surgical extirpation appears to be a viable and effective treatment for primary dural melanoma.
  • This case challenges the perception of CNS melanoma as uniformly aggressive, particularly for dural variants.

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