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Conjunctival melanoma, a rare eye cancer, often arises from primary acquired melanosis (PAM). Treatment varies by stage, including surgery, radiotherapy, and targeted therapies for advanced cases.

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Area of Science:

  • Ophthalmology
  • Oncology
  • Dermatology

Background:

  • Conjunctival melanoma is a rare but aggressive ocular cancer.
  • It primarily affects fair-skinned individuals and often originates from primary acquired melanosis (PAM) with atypia.
  • Clinical differentiation from other ocular surface lesions is crucial due to varied presentations.

Purpose of the Study:

  • To review the epidemiology, clinical presentation, and management of conjunctival melanoma.
  • To highlight prognostic factors and treatment strategies based on tumor staging.
  • To emphasize the importance of accurate diagnosis and appropriate surgical techniques.

Main Methods:

  • Literature review of conjunctival melanoma.
  • Analysis of clinical presentation, diagnostic challenges, and treatment modalities.
  • Review of prognostic indicators and risk factors for metastasis.

Main Results:

  • Key mutations (BRAF, NRAS, NF1) and UV signature mutations impact survival.
  • TNM staging guides treatment, ranging from surgical excision with cryotherapy to radiotherapy and systemic therapies.
  • Risk factors for metastasis include tumor thickness, location, pigmentation, ulceration, mitotic rate, and invasion.

Conclusions:

  • Conjunctival melanoma requires prompt and accurate diagnosis and staging.
  • Treatment selection is stage-dependent, involving multimodal approaches.
  • Avoiding incisional biopsy and employing en bloc excision are critical for preventing recurrence and metastasis.