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- 相川 光広
- 千葉県救急医療センター
書誌事項
- タイトル別名
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- A case of ischemic right middle cerebral artery dissection that can be followed by CT perfusion image
- CTカンリュウ ガゾウ デ ケイカ オ ツイセキ シエタ キョケツ ハッショウ チュウ ダイノウ ドウミャク カイリ ノ 1レイ
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<p>A 46-year-old woman with sudden headache admitted to our hospital complaining of left hemi paresis hemiparesis. Magnetic resonance imaging (MRI) revealed acute right middle cerebral artery (MCA) territory infarction. MR angiography (MRA) showed a narrowing of the right MCA and MRA original image showed a double lumen in the right MCA, indicating MCA dissection. TTP (time to peak) map of CT perfusion (CTP) images showed peak time delay with corresponding decrease in blood flow of right MCA territory. Conservative therapy was adopted and her symptom was improved gradually. Follow-up CTP image showed steady improvement compared with on admission in accordance with morphological repair of the right MCA dissection.</p><p>Dissection of the MCA dissection in is less frequent compared with dissection of the vertebrobasilar system or carotid artery. The diagnosis of MCA dissection is not easy. With advances in noninvasive angiographic diagnostic procedures, this type of dissection is being increasingly recognized. But the sensitivity of the findings of double lumen and intimal flap is not satisfactory. CTP can be one of the useful tools for recognizing morphologic changes indirectly in MCA dissection by detecting cerebral perfusion changes. </p>
収録刊行物
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- Journal of Japan Society of Neurological Emergencies & Critical Care
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Journal of Japan Society of Neurological Emergencies & Critical Care 35 (2), 42-47, 2023-06-22
一般社団法人 日本神経救急学会
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詳細情報 詳細情報について
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- CRID
- 1390859480865257472
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- NII書誌ID
- AA11652009
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- ISSN
- 24331600
- 24330485
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- NDL書誌ID
- 033014066
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 抄録ライセンスフラグ
- 使用不可