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  • Part B courtesy of George J. Harocopos, MD.
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    Ocular Pathology/Oncology

    Conjunctival melanocytic nevus. A, Clinical appearance, with characteristic cystic areas (arrows). B, Histologically, the melanocytes are round, oval, or pear-shaped cells, mostly arranged in nests (arrowheads). Melanocytes are present at the epithelial–stromal junction (arrow); hence, this is a compound nevus. Note the epithelial inclusion cysts (asterisks) within the lesion, correlating with the clinical appearance.