“…[1][2][3][4] Less likely differential diagnoses include inflammation (eosinophilic, fibrous histiocytoma and lipogranulomatous), infection (cryptococcosis, blastomycosis, and histoplasmosis), neoplastia (osteoma, lymphosarcoma, squamous cell carcinoma, fibrosarcoma, papilloma, adenomas, adenocarcinomas, hemangioma, hemangiosarcoma and limbal or conjunctival melanoma), or a dermoid. 1,[5][6][7][8][9][10][11][12][13][14] The differential diagnoses for a feline cataract include congenital (alone or associated with multiple ocular anomalies and Chediak-Higashi syndrome), trauma, hereditary, or secondary to anterior uveitis. [15][16][17][18][19][20][21][22] Less likely differentials include metabolic (diabetes mellitus and nutritional or primary hyperparathyroidism), nutritional (potentially related to milk replacer deficient in arginine), and iatrogenic causes (chronic topical dexamethasone).…”