Tomographic characteristics of focal choroidal excavation and its association with retinal disorders
- 26 May 2020
- journal article
- research article
- Published by SAGE Publications in European Journal of Ophthalmology
- Vol. 31 (3), 1154-1160
- https://doi.org/10.1177/1120672120927862
Abstract
To evaluate the morphological, clinical, and tomographic characteristics of focal choroidal excavation in the context of concomitant retinal pathologies. This case series included 13 eyes of 13 patients with focal choroidal excavation diagnosed by spectral-domain optical coherence tomography. Morphologic characteristics of excavation and quantitative thicknesses of retinal layers and choroid were analyzed in excavation area, area adjacent to excavation, and fellow eye without focal choroidal excavation by spectral-domain optical coherence tomography. At the initial examinations, one eye had a history of blunt trauma, three eyes were diagnosed with choroidal neovascularization, one with choroidal osteoma, one with angioid streaks, one with retinal detachment, one with diabetic macular edema, one with optic pit, one with torpedo maculopathy, and the rest three with idiopathic focal choroidal excavation. The mean choroidal thickness in the area of focal choroidal excavation was statistically significantly thinner compared to in the area adjacent to focal choroidal excavation and fellow eye (p < 0.001) and total average outer nuclear layer thickness was statistically significantly thicker in the area of excavation compared with fellow eye (p = 0.007). This study confirmed the presence of focal choroidal excavation in various ocular diseases and the evaluation of focal choroidal excavation using the spectral-domain optical coherence tomography demonstrated choroidal thinning and outer nuclear layer thickening in the area of the excavation.Keywords
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