IngentaConnect Differential diagnosis of corneal oedema assisted by in vivo conf...

Authors: Grupcheva, Christina N; Craig, Jennifer P; Sherwin, Trevor; McGhee, Charles NJ

Source: Clinical & Experimental Ophthalmology, Volume 29, Number 3, June 2001 , pp. 133-137(5)

Abstract:

The purpose of this study was to demonstrate microstructural differences between clinically similar, but aetiologically different, cases of corneal oedema in four subjects. In vivo confocal microscopy highlighted oedema of the basal epithelium, prominent nerve-keratocyte interactions, and typical `epithelialization' of the endothelium in a case of iridocorneal endothelial syndrome; however, a similar microstructural appearance was observed in a case of presumed herpetic disciform keratitis. The latter diagnosis was subsequently revised on this basis. Confocal examination of Fuchs' endothelial dystrophy demonstrated oedema of the basal epithelium, prominent wing cells, anterior stromal alterations, fibrosis of Descemet's membrane and a typical `strawberry' appearance of the endothelium. In contrast, in vivo microstructural examination of bilateral keratoconus with hydrops confirmed oedema mainly involving the epithelium and anterior stroma. In vivo confocal microscopy allows the clinician to observe the living cornea at a microstructural level and to better diagnose and differentiate borderline or unusual cases of corneal oedema.

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Differential diagnosis of corneal oedema assisted by in vivo confocal microscopy