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압박시신경병증으로 발현된 내경동맥의 미파열성 거대동맥류
박재영,구남균,Jae Yeong Park,Nam Kyun Koo 대한안과학회 2012 대한안과학회지 Vol.53 No.9
Purpose: To report a case of compressive optic neuropathy due to a giant unruptured aneurysm of a distal internal carotid artery. Case summary: A 68-year-old female presented with a one-week history of visual disturbance in her left eye. The patient had no underlying disease except hypertension. Best corrected visual acuity was 20/20 in the right eye and 8/20 in the left eye. The color perception test showed abnormal findings in the left eye. Slit lamp examination showed no abnormal finding except incipient cataract in both eyes. Additionally, fundus examination showed no abnormal finding. Brain MRI and MRA revealed a 2.4 × 2.2 × 3.0-cm-sized unruptured giant aneurysm on the left internal carotid artery. Conclusions: A giant aneurysm should be considered as a cause for acute or subacute optic neuropathy in a patient with hypertension. J Korean Ophthalmol Soc 2012;53(9):1368-1371
급성 망막중심동맥폐쇄에서의 스펙트럼 영역 빛간섭단층촬영상의 소견
박재영,구남균,서원문.Jae Yeong Park. MD. Nam Kyun Koo. MD. Won Moon Seo. MD 대한안과학회 2012 대한안과학회지 Vol.53 No.8
Purpose: To evaluate spectral-domain optical coherence tomography (SD-OCT) images of acute central retinal artery occlusion (CRAO). Methods: Six eyes of 6 patients who were diagnosed with acute CRAO were enrolled in the present study. The main SD-OCT measurements included macular thickness in the macular cube map and retinal thickness in the 5-line raster map. Results: In acute CRAO, macular thickness increased more than that in the normal fellow eye in all cases. SD-OCT images demonstrated increased reflectivity and thickness in the inner retinal layer, especially in the nerve fiber layer and ganglion cell layer. However, in the outer retinal layer, SD-OCT images disclosed decreased reflectivity and increased thickness. The central subfield thickness area image showed normal reflectivity and thickness. The horizontal cross-sectional image showed relatively the same edema ratio between the inner retinal layer and outer retinal layer thickness. There was no cystoid or serous foveal detachment-type edema. Conclusions: SD-OCT images of CRAO showed increased outer retinal layer thickness and decreased reflectance as well as increased inner retinal layer thickness and reflectance. However, inner segment and outer segment junctions of the photoreceptor and retinal pigment epithelial signal were intact. J Korean Ophthalmol Soc 2012;53(8):1099-1103