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Optical coherence tomographic features of macular telangiectasia type 2: Korean Macular Telangiectasia Type 2 Study-Report No. 1

Authors
 Young Ho Kim  ;  Yoo-Ri Chung  ;  Jaeryung Oh  ;  Seong-Woo Kim  ;  Christopher Seungkyu Lee  ;  Cheolmin Yun  ;  Boram Lee  ;  So Min Ahn  ;  Eun Young Choi  ;  Sungmin Jang  ;  Kihwang Lee 
Citation
 SCIENTIFIC REPORTS, Vol.10(1) : 16594, 2020-10 
Journal Title
SCIENTIFIC REPORTS
Issue Date
2020-10
MeSH
Aged ; Asian Continental Ancestry Group ; Cross-Sectional Studies ; Disease Progression ; Female ; Humans ; Male ; Middle Aged ; Neovascularization, Pathologic / diagnostic imaging ; Neovascularization, Pathologic / pathology ; Republic of Korea ; Retinal Telangiectasis / classification ; Retinal Telangiectasis / diagnostic imaging* ; Retinal Telangiectasis / pathology ; Retinal Telangiectasis / physiopathology* ; Retrospective Studies ; Severity of Illness Index ; Tomography, Optical Coherence / methods* ; Visual Acuity*
Abstract
We analysed the imaging findings of macular telangiectasia (MacTel) type 2 in Korea using spectral domain optical coherence tomography (SD-OCT) and investigated their relationship with visual acuity and clinical stages. A retrospective multicentre cross-sectional study was conducted in six tertiary hospitals in Korea and included 129 patients. We analysed all the SD-OCT images encompassing the macular area. Hyporeflective cavities (77.7%) were the most frequently detected abnormalities in SD-OCT. Disruption of the external limiting membrane, ellipsoid zone, and interdigitation zone were found in 67 (40.4%), 87 (52.4%), and 94 eyes (56.6%), respectively. Four eyes (2.4%) had lamellar macular hole, and five eyes (3.0%) full-thickness macular hole. Neovascularisation, either subretinal or intraretinal, was found in 14 eyes (8.4%). Eyes with outer retinal hyperreflective band disruption had lower visual acuity than those without them. The presented characteristic clinical features of OCT in MacTel type 2 can not only aid in differentiating this disease from others but are also helpful for better judgement of the disease stage in daily clinical practice. Inner retinal hyporeflective cavities without outer retinal abnormalities on SD-OCT, although classified as severity scale 3, could be considered a relatively early stage in the disease process in terms of vision.
Files in This Item:
T202006186.pdf Download
DOI
10.1038/s41598-020-73803-9
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Ophthalmology (안과학교실) > 1. Journal Papers
Yonsei Authors
Lee, Christopher Seungkyu(이승규) ORCID logo https://orcid.org/0000-0001-5054-9470
Choi, Eun Young(최은영) ORCID logo https://orcid.org/0000-0002-1668-6452
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/182546
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