J Korean Ophthalmol Soc > Volume 57(9); 2016 > Article
Journal of the Korean Ophthalmological Society 2016;57(9):1484-1488.
DOI: https://doi.org/10.3341/jkos.2016.57.9.1484    Published online September 15, 2016.
Amaurosis Fugax Associated with Ipsilateral Internal Carotid Artery Agenesis.
Jae Yun Sung, Kyoung Nam Kim, Hye Seon Jeong, Yeon Hee Lee
1Department of Ophthalmology, Chungnam National University Hospital, Chungnam National University School of Medicine, Daejeon, Korea. kkn9901700@hanmail.net
2Department of Neurology, Chungnam National University Hospital, Chungnam National University School of Medicine, Daejeon, Korea.
동측 일과성 흑암시를 보인 내경동맥 무발생증
성재연1⋅김경남1⋅정혜선2⋅이연희1
충남대학교 의과대학 충남대학교병원 안과학교실1, 충남대학교 의과대학 충남대학교병원 신경과학교실2
Correspondence:  Kyoung Nam Kim,
Email: kkn9901700@hanmail.net
Received: 2 June 2016   • Revised: 20 July 2016   • Accepted: 29 August 2016
Abstract
PURPOSE
We report a case of amaurosis fugax associated with ipsilateral internal carotid artery agenesis. CASE SUMMARY: A 50-year-old woman presented with amaurosis fugax in her left eye; the frequency of episodes of the condition had recently increased to once a month. She had a history of hypertension and dyslipidemia, and was under medical therapy. The visual acuity of both eyes was 20/20. Slit-lamp examination was normal except for pseudophakia. Ophthalmoscopy revealed a myopic tigroid fundus and a myopic tilted disc. No abnormalities were evident in fluorescein fundus angiography. Brain computed tomography showed that the left bony carotid canal was absent, and magnetic resonance angiography showed that the left internal carotid artery was also absent. She was diagnosed with left internal carotid artery agenesis. Other neurological and hematological parameters were within normal ranges. The amaurosis fugax spontaneously disappeared and has not recurred over the past 12 months. Our case, although rare, suggests that amaurosis fugax may be associated with internal carotid artery agenesis.
Key Words: Agenesis;Amaurosis fugax;Internal carotid artery


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