Epitheliotropic lymphoma (mycosis fungoides) presenting as blepharoconjunctivitis in an Irish setter

An 11-year-old neutered female Irish setter was presented with a six-week h istory of blepharoconjunctivitis affecting the right eye. A conjunctival bi opsy was taken and histopathological examination revealed a heavy cellular infiltrate involving the epithelial and subepithelial tissues. Immunohistoc hemical staining showed the intraepithelial cell population to uniformly ha ve the phenotype CD3 (T-cell specific marker). A diagnosis of epitheliotrop ic lymphoma (mycosis fungoides) was made. The use of a synthetic retinoid a nd topical prednisolone in the management of the case Is discussed.