alexa Indocyanine green angiographic aspects of multiple evanescent white dot syndrome.


Journal of Clinical & Experimental Ophthalmology

Author(s): Obana A, Kusumi M, Miki T

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Abstract PURPOSE: The authors investigated the indocyanine green angiography findings of multiple evanescent white dot syndrome (MEWDS). METHODS: Four patients with MEWDS underwent examination by indocyanine green angiography, conventional ophthalmoscopy, and fluorescein angiography. RESULTS: Fundus examination showed multiple white dots in the retinal pigment epithelium of the unilateral eye of each patient. Fluorescein angiography demonstrated early hyperfluorescence corresponding to the white dots. In the early phase, indocyanine green angiography showed no abnormal signs in the large choroidal vessels, but in the late phase, hypofluorescent lesions appeared, corresponding to the white dots. The hypofluorescent dots were clustered in the posterior pole and sporadic in the peripheral region, appearing to radiate away from the optic disc or fovea. The hypofluorescent dots disappeared at the recovery stage. CONCLUSIONS: Previous fluorescein angiographic and electrophysiologic studies have demonstrated the involvement of the retinal pigment epithelium (RPE) and photoreceptors in MEWDS: The current findings on indocyanine green angiography suggest that MEWDS affects the choriocapillaris or precapillary arterioles as well as the RPE and photoreceptors, and that the lesions spread to the midperipheral region, centering on the optic disc or fovea.
This article was published in Retina and referenced in Journal of Clinical & Experimental Ophthalmology

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