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Ophthalmology. 1990 Jun;97(6):798-809.

Autosomal-dominant fundus flavimaculatus. Clinicopathologic correlation.

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Eye Pathology Laboratory, Johns Hopkins Hospital, Baltimore, MD 21205.


The authors report the first clinicopathologic study of autosomal-dominant fundus flavimaculatus with late-onset atrophic macular degeneration in a 62-year-old man. Results of histopathologic examination disclosed the retinal pigment epithelium (RPE) to be distended by a periodic acid-Schiff (PAS)-positive, acid mucopolysaccharide-negative material. Transmission electron microscopy showed marked accumulation of lipofuscin and melanolipofuscin granules within the RPE. The different modes of genetic transmission and ultrastructural heterogeneity suggest that fundus flavimaculatus is a clinical syndrome representing several genetically and mechanistically distinct disorders whose common end-stage is a topographically similar accumulation of lipofuscin.

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