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Reversible Cerebral Vasoconstriction Syndrome(RCVS)and Posterior Reversible Encephalopathy Syndrome(PRES) Masayoshi TADA 1,2 1Department of Neurology and Neurovascular Medicine, Niigata City General Hospital Keyword: 可逆性脳血管攣縮症候群 , RCVS , 可逆性後頭葉白質脳症 , PRES , 血管原性浮腫 , 子癇 , reversible cerebral vasoconstriction syndrome , posterior reversible encephalopathy syndrome , vasogenic edema , eclampsia pp.342-348
Published Date 2021/3/10
DOI https://doi.org/10.11477/mf.1436204396
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 Reversible cerebral vasoconstriction syndrome(RCVS)is a clinical and radiological syndrome that is characterized by recurrent severe thunderclap headaches with or without other neurological symptoms and diffuse segmental constriction of cerebral arteries that usually resolves spontaneously within three months. Posterior reversible encephalopathy syndrome(PRES)is also a clinical and radiological syndrome characterized by headache, seizures, altered consciousness, cortical blindness, other focal neurological signs, and a diagnostic imaging picture of brain vasogenic edema. Both syndromes can occur in similar clinical contexts such as hypertension, pre-eclampsia/eclampsia, drug neurotoxicity, uremia, and some autoimmune diseases, and are frequently associated. Although the syndromes are usually fully reversible with early diagnosis and prompt treatment, some cases can develop hemorrhagic or ischemic brain lesions, often resulting in permanent disability. We need to be aware of the typical and atypical imaging manifestations of the syndromes to make an accurate diagnosis.


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

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