期刊
GRAEFES ARCHIVE FOR CLINICAL AND EXPERIMENTAL OPHTHALMOLOGY
卷 256, 期 4, 页码 643-649出版社
SPRINGER
DOI: 10.1007/s00417-017-3884-6
关键词
Multicolor imaging; Fundus photography; Choroidal nevus; Choroidal melanoma; Congenital hypertrophy of the retina pigment epithelium; Pseudocolor
资金
- NIH [R01 EY016323-09A1]
- National Eye Institute [P30 EY022589]
- Research to Prevent Blindness, NY
Our purpose was to compare the characteristics of the retinal and choroidal lesions including choroidal nevus, choroidal melanoma and congenital hypertrophy of the retina pigment epithelium using conventional color fundus photography (CFP) and multicolor imaging (MCI). The paired images of patients with retinal or choroidal lesions were assessed for the visibility of lesion's border, halo and drusen using a grading scale (0-2). The area of the lesion was measured on both imaging modalities. The same grading was also done on the individual color channels of MCI for a further evaluation. Thirty-three eyes of 33 patients were included. There were no significant differences in the mean border, drusen and halo visibility scores between the two imaging modalities (p = 0.12, p = 0.70, p = 0.35). However, the mean area of the lesion was significantly smaller on MCI than that on CFP (14.9 +/- 3.3 versus 18.7 +/- 3.4 mm(2), p = 0.01). The appearance of choroidal and/ or retinal lesions on MCI may be different than that on CFP. Though MCI can provide similar information with CFP for the features of retinal and/ or choroidal lesions including border, halo and drusen; the infrared light reflection on MCI underestimates the extent of the choroidal lesion by 33%.
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