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Ophthalmology and Visual Sciences

Pigmented nevus of plica semilunaris

Pigmented nevus of plica semilunaris

Category(ies): Cornea / External Eye Disease
Contributor: Patrick Donegan, MD; Kanwal Matharu, MD
Photographer: Sarah Skiles, CRA

A 63-year-old man presented for a conjunctival lesion he says has been present his whole life but has been concerning to his daughter in law. Although his history was reassuring, its location near the caruncle as well as his immunosuppressed status warranted excisional biopsy. Histologically, sections demonstrated nests and sheets of nevus cells variably demonstrating cytoplasmic pigment. A diagnosis of a plica semilunaris nevus was made.

Dilated funduscopic examination showed severe, diffuse optic atrophy OD and bow-tie (band) optic atrophy OS
Pupils were equal and reactive with a >3 log unit RAPD OD. Dilated funduscopic examination showed severe, diffuse optic atrophy OD and bow-tie (band) optic atrophy OS.