acute retinal necrosis

acute retinal necrosis
(ARN) a syndrome of necrotizing retinitis with uveitis, retinal periarteritis, vasculitis, and hyalitis, caused by herpesvirus infection. It is characterized by retinal vascular narrowing and obstruction, exudates from the peripheral retina, patches of vitreous opacification, severe loss of vision, and often retinal detachment. Called also acute retinal necrosis syndrome and ARN syndrome.

Medical dictionary. 2011.

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Look at other dictionaries:

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  • necrosis — Pathologic death of one or more cells, or of a portion of tissue or organ, resulting from irreversible damage; earliest irreversible changes are mitochondrial, consisting of swelling and granular calcium deposits seen by …   Medical dictionary

  • síndrome de necrosis retiniana aguda — Eng. Acute retinal necrosis syndrome Síndrome extremadamente raro que cursa con una retinitis necrosante de efectos devastadores que afecta a individuos de cualquier edad y es bilateral en el 30 50% de los casos …   Diccionario de oftalmología

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  • ARN — • acute renal necrosis; • acute retinal necrosis; • arcuate nucleus; • Association of Rehabilitation Nurses …   Dictionary of medical acronyms & abbreviations

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  • ARN — Acronym for acute retinal necrosis. * * * acute renal necrosis; acute retinal necrosis; arcuate nucleus; Association of Rehabilitation Nurses * * * see acute retinal necrosis * * * acute retinal necrosis …   Medical dictionary

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