| Bilateral Middle Cerebral Artery FLAIR Hyperintense Vessel Signs in a Patient with Progressive Arterial Occlusion |
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So Hoon Yoon, MD, Ji Hwa Kim, MD, Kyeongyeol Cheon, MD, Kyung-Yul Lee, MD, PhD |
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Department of Neurology, Gangnam Severance Hospital and Severance Institute for Vascular and Metabolic Research, Yonsei University College of Medicine, Seoul, Korea |
| 진행되는 동맥폐색 환자에서 관찰된 양측 중간대뇌동맥 액체감쇠역전 고강도 혈관 신호 |
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윤소훈, 김지화, 천경열, 이경열 |
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연세대학교 의과대학 강남세브란스병원 신경과, 세브란스 혈관대사연구소 |
Correspondence:
Kyung-Yul Lee, MD, PhD, Tel: +82-2-2019-3325, Fax: +82-2-3462-5904,
Email: KYLEE@yuhs.ac
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Received: 26 May 2017 • Accepted: 26 July 2017 |
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| Abstract |
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Fluid-attenuated inversion recovery (FLAIR) hyperintense vessel (HV) sign is usually seen in patients who has steno-occlusive lesion in intracranial artery, as it reflects the decreased arterial blood flow velocity. A 79-year old male patient, who had multiple cerebral infarctions, showed FLAIR HV signs on both middle cerebral artery territory without any steno- occlusive lesion in initial magnetic resonance angiography (MRA). However, follow-up MRA showed decreased bilateral middle cerebral artery branches and distal stenosis. In our case, bilateral FLAIR HV sign without steno-occlusive lesion might be used as a poor prognostic factor indicating progressive arterial occlusion. |
| Key Words:
Stroke, Magnetic resonance angiography, Prognosis |
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