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The use of SD-OCT in the differential diagnosis of dots, spots and other white retinal lesions

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Author(s): Zaharova E | Sherman J

Journal: Eye and Brain
ISSN 1179-2744

Volume: 2011;
Issue: default;
Start page: 69;
Date: 2011;
Original page

ABSTRACT
Elena Zaharova1, Jerome Sherman1-31State University of New York's State College of Optometry, University Eye Center, New York, NY, USA; 2SUNY Eye Institute, New York, NY, USA; 3New York Eye Institute and Laser Center, New York, NY, USAPurpose: To demonstrate the utility of a retinal imaging technique using spectral domain optical coherence tomography (SD-OCT) for creating a B-scan layer-by-layer analysis to aid in the differential diagnosis of various retinal dots, spots, and other white lesions.Design: Review.Methods: A retrospective review of imaging studies performed with SD-OCT (Topcon, 3DOCT-2000, Oakland, NJ) at SUNY State College of Optometry.Results: B-scan layer-by-layer analysis and unique SD-OCT reflectivity patterns of the following retinal white lesions are reviewed in the order of their retinal layer localization: myelinated nerve fiber layer, cotton wool spot, exudates, edema residues, drusen, fundus albipunctatus, Stargardt disease, Bietti crystalline dystrophy, punctate inner choroidopathy (PIC), presumed ocular histoplasmosis syndrome (POHS), post-photocoagulation chorioretinal scarring, and osseous choristoma.Conclusion: The reviewed images demonstrate the utility of SD-OCT in the identification of the unique characteristics of the presented retinal pathologies. SD-OCT is ideal for retinal layer localization of lesions, thus enhancing the differential diagnosis of retinal dots, spots, and other white lesions. Even though true pathognomonic patterns are rare, highly suggestive findings of certain retinal abnormalities often facilitate immediate recognition and diagnosis.Keywords: SD-OCT, photoreceptor integrity line, retinal pigment epithelium, white dot syndrome, retinal pathology, imaging

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