Nevus of Ota

Nevus of Ota is a melanosis that primarily involves the region of the


[A] Facial nerve distribution
[B] Trigeminal nerve distribution
[C] Olfactory nerve distribution
[D] Glossopharyngeal nerve distribution



  • Nevus of Ota is a benign melanosis that primarily involves the region of the trigeminal nerve distribution.
  • The first and second divisions of the trigeminal nerve, namely the ophthalmic V1 and the maxillary V2 are most commonly involved.
  • There is associated hyperpigmentation of the eye. Nevus of Ota is also known as ocular dermal melanosis.

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