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Repeated,Reversible MR Angiographic Findings in Pediatric Moyamoya Disease: Case report Toshiya OSANAI 1 , Satoshi KURODA 1 , Tatsuya ISHIKAWA 1 , Kohsuke KUDO 2 , Satoshi TERAE 2 , Masanori ISOBE 3 , Yoshinobu IWASAKI 1 1Department of Neurosurgery,Hokkaido University Graduate School of Medicine 2Department of Radiology,Hokkaido University Graduate School of Medicine 3Department of Neurosurgery,Kushiro Rosai Hospital Keyword: Moyamoya disease , MR angiography , reversible stenosis pp.403-407
Published Date 2006/4/1
DOI https://doi.org/10.11477/mf.1436100204
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The authors report a 6-year-old girl presented with headache and transient ischemic attack due to moyamoya disease. MR angiography (MRA) revealed that her symptoms were closely related to reversible deterioration of stenosis in the left middle cerebral artery (MCA). Deterioration of stenosis led to a decreased flow signal in the distal branches of the left MCA. MRA could also detect reversible stenotic changes in the right MCA,although she did not develop any neurological symptom. Although precise mechanism of reversible MR angiographic findings is still unknown,the phenomenon may play an important role in disease progression in pediatric patients with moyamoya disease.


Copyright © 2006, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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