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Central Cloudy Corneal Dystrophy of FrancoisA Clinicopathologic Study
Carol L. Karp, MD;
Ingrid U. Scott, MD, MPH;
W. Richard Green, MD;
Tom S. Chang, MD;
William W. Culbertson, MD
Arch Ophthalmol. 1997;115(8):1058-1062.
Abstract
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Central cloudy corneal dystrophy of Francois was first described in 1955 by J. Francois; its pathophysiology remains unknown. An 80-year-old woman with bilateral central cloudy corneal dystrophy of Francois was examined after having undergone a combined penetrating keratoplasty and cataract extraction. The corneal button was obtained. Light microscopy revealed stromal staining for acid mucopolysaccharide. Transmission electron microscopy revealed extracellular vacuoles, some of which had fibrillogranular material and electron-dense deposits. Fibrillogranular material was present in and around some keratocytes. Numerous endothelial vacuoles contained light-staining fibrillogranular material and round electron-dense granules. Our findings suggest that the opacities in patients with central cloudy corneal dystrophy of Francois are due to the extracellular accumulation of mucopolysaccharide and lipidlike material. Further studies are needed to elucidate the nature of these deposits.
Author Affiliations
From the Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami School of Medicine, Miami, Fla (Drs Karp, Scott, Chang, and Culbertson); and the Department of Pathology, The Johns Hopkins Medical Institutions, the Wilmer Ophthalmological Institute, Baltimore, Md (Dr Green).
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