Eye Conjunctiva Conjunctivitis Granulomatous conjunctivitis Author: Deepali Jain, M.D. Last author update: 1 October 2013 Last staff update: 24 December 2020 Conjunctival intraepithelial neoplasia is a spectrum of abnormal growth of atypical squamous epithelial cells of the conjunctiva ; graded based on thickness of epithelial involvement Usually on nasal conjunctiva and lower fornix Most (65%) conjunctival nevi are also cystic (Curr Opin Ophthalmol 2007;18:351); some tumors such as lymphangioma can be highly cystic Cyst may be injected with Healon V and trypan blue to facilitate visualization and excision (Cornea 2005;24:759) Dermoid cysts or 'conjunctivoid': See also dermoid tumor Eye - Conjunctiva : primary acquired melanosisSee also benign melanosis 11% of conjunctival melanocytic proliferations (Arch Pathol Lab Med 2010;134:1785) Called melanoma in situ by some, although cases without atypia don't progress (Mod Pathol 1991;4:253) Variable biologic behavior from benign to locally spreading to malignant Usually ages 40+ years, whites Presents as gradual appearance of golden brown pigmented lesion of bulbar conjunctiva May be associated with Addison disease May be ...