Damato and Coupland reported a classification system for melanocytic conjunctival lesions. The authors are from Royal Liverpool University Hospital and the University of Liverpool.
Diagnostic groups:
(1) melanosis
(2) conjunctival nevus
(3) conjunctival melanocytic neoplasia
Melanosis:
(1) freckle
(2) racial
(3) secondary to systemic disease
(4) secondary to ocular disease
Conjunctival nevus:
(1) junctional
(2) compound
(3) subepithelial
(4) Spitz
(5) blue
Conjunctival melanocytic neoplasia:
(1) conjunctival melanocytic intraepithelial neoplasia (C-MIN) with or without atypia
(2) conjunctival melanoma in situ
(3) invasive conjunctival melanoma
(4) secondary (metastatic from skin, uveal melanoma)
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