A case of focal convexal subarachnoid hemorrhage presenting as transient ischemic attack mimic

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  • Misumi Yohei
    Department of Neurology, Kumamoto Saishunsou National Hospital Department of Neurology, Graduate School of Medical Sciences, Kumamoto University
  • Ueyama Hidetsugu
    Department of Neurology, Kumamoto Saishunsou National Hospital
  • Tawara Akie
    Department of Neurology, Kumamoto Saishunsou National Hospital Department of Neurology, Graduate School of Medical Sciences, Kumamoto University
  • Nishida Yasuto
    Department of Neurology, Kumamoto Saishunsou National Hospital
  • Imamura Shigehiro
    Department of Neurology, Kumamoto Saishunsou National Hospital
  • Hirano Teruyuki
    Department of Neurology, Graduate School of Medical Sciences, Kumamoto University

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  • 一過性脳虚血発作様症状をくりかえした円蓋部限局性くも膜下出血の１例
  • イッカセイ ノウキョケツ ホッサ ヨウ ショウジョウ オ クリカエシタ エンガイブ ゲンキョクセイク モ マク カ シュッケツ ノ 1レイ

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Abstract

An 82-year-old man was suspected to have experienced a transient ischemic attack since he developed transient weakness in the right upper limb twice. On admission, neurologic examination yielded normal findings except for mild cognitive impairment. Brain CT and images showed an unexpected finding of acute focal subarachnoid hemorrhage in the left central sulcus, although MR angiography and venography did not show any abnormality. T2* weighted images showed superficial siderosis in the bilateral frontal lobes, which indicated the possibility of a recurrent subarachnoid hemorrhage. We propose that focal subarachnoid hemorrhage should be included in the differential diagnosis of transient ischemic attack.<br>

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