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Coats' disease
Coats’ disease, (also known as exudative retinitis or retinal telangiectasis, sometimes spelled Coates' disease), is a rare congenital, nonhereditary eye disorder, causing full or partial blindness, characterized by abnormal development of blood vessels behind the retina. Coats' disease can also fall under glaucoma.
It can have a similar presentation to that of retinoblastoma.
==Presentation==
Coats’ usually affects only one eye (unilateral) and occurs predominantly in young males 1/100,000, with the onset of symptoms generally appearing in the first decade of life. Peak age of onset is between 6-8 years of age, but onset can range from 5 months to 71 years.〔EdwardDP, Mafee MF, Garcia-Valenzuela E, Weiss RA. Coats’ disease and persistent hyperplastic primary vitreous: role of MR imaging and CT. Radiol Clin North Am 1998; 36(6): 1119–1131.〕〔WoodsAC, Duke JR. Coats’s disease. I. Review of the literature, diagnostic criteria, clinical findings, and plasma lipid studies. Br J Ophthalmol 1963; 47: 385–412.〕
Coats’ disease results in a gradual loss of vision. Blood leaks from the abnormal vessels into the back of the eye, leaving behind cholesterol deposits and damaging the retina. Coats’ disease normally progresses slowly. At advanced stages, retinal detachment is likely to occur. Glaucoma, atrophy, and cataracts can also develop secondary to Coats’ disease. In some cases, removal of the eye may be necessary (enucleation).
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