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Definition / general | Clinical images | Microscopic (histologic) description | Nevus of Ota-eyelidCite this page: Pernick N. Nevi-eyelid. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/eyeeyelidnevi.html. Accessed January 12th, 2025.
Definition / general
- On cutaneous or conjunctival surface, commonly on lid margin
- Usually junctional (nests of nevus cells at border of epidermis and dermis) or compound (nests at junction and within dermis)
- Usually acquired
- Rarely give rise to melanoma
Microscopic (histologic) description
- Nevus cells with bland nuclei
- May be multinucleated
- No / rare atypia, no / rare mitotic figures
Nevus of Ota-eyelid
- Also called congenital oculodermal melanosis
- More common in Asians and blacks
- A form of extrasacral mongolian spot involving the distribution of the first and second branches of trigeminal nerve in face
- Diffuse and deeply seated melanocytic lesion
- Slight risk of uveal melanoma if skin of eyelid or periorbital area is affected