期刊
AMERICAN JOURNAL OF OPHTHALMOLOGY
卷 157, 期 5, 页码 1005-1012出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ajo.2014.01.025
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资金
- Topcon Inc, Tokyo, Japan
- Bausch and Lomb, Rochester, New York, USA
- LuEsther T. Mertz Retinal Research Foundation, New York, New York
PURPOSE: To subclassify pseudodrusen based on their appearance in multimodal imaging. DESIGN: Retrospective, observational series. METHODS: The color fundus photographs and infrared scanning laser ophthalmoscope (IR-SLO) images of patients with pseudodrusen were evaluated along with spectral-domain optical coherence tomography (SD OCT) by masked readers. Distinct types of pseudodrusen could be differentiated. RESULTS: There were 140 eyes of 93 patients with a mean age of 82.4 years. Multimodal imaging analysis showed 3 subtypes of pseudodrusen. One principal type was an orderly array of whitish discrete accumulations principally located in the perifovea, termed dot pseudodrusen. They appeared as hyporeflective spots, often with a target configuration, in IR-SLO images. The second type was interconnected bands of yellowish-white material forming a reticular pattern, called ribbon pseudodrusen, which were located in the perifovea. This subtype was faintly hyporeflective in IR-SLO imaging. Dot pseudodrusen were detected more commonly with IR-SLO imaging than in color photography (P = .014) and ribbon pseudodrusen were seen more frequently in color than in IR-SLO images (P < .001). An uncommon third type of pseudodrusen, yellow-white globules primarily located peripheral to the perifoveal region, appeared hyper-reflective in IR-SLO and were called peripheral pseudodrusen. All 3 types were seen as subretinal drusenoid deposits by SD OCT. CONCLUSION: Pseudodrusen may be classified into at least 3 categories, each with optimal methods of detection and only 1 that formed a reticular pattern. These findings suggest pseudodrusen could contain differing constituents and therefore may vary in conferred risk for progression to advanced age-related macular disease. (C) 2014 by Elsevier Inc. All rights reserved.
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