Medullary Hemorrhagic Infarction after Radiation for Nasopharyngeal Carcinoma
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概要
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Head and neck irradiation may lead to accelerated atherosclerosis over several years. Delayed stroke has been described after head and neck irradiation administered for a number of conditions. However, brain stem stroke has only rarely been associated with irradiation. We report a patient with medullary hemorrhagic infarction 6 years after radiotherapy for nasopharyngeal carcinoma. A 42-year-old normotensive Chinese male had rapid onset of vertigo, diplopia, ataxia, dysphagia, hypophonic dysarthria, hemiparesis, and respiratory distress. Cranial MR imaging 2 days after symptom onset showed medullary infarction, and cranial MR imaging 5 days after symptom onset showed medullary hemorrhage. He needed ventilatory support and died of bacterial pneumonia 1 month later. Other risk factors for stroke were absent. Hemorrhagic infarction in this patient was likely associated with the radiotherapy. Radiotherapy is the first choice of treatment for nasopharyngeal carcinoma, however, it may induce fatal medullary hemorrhagic infarction.
著者
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Huang Jian
Department Of Hematology The First Affiliated Hospital College Of Medicine Zhejiang University
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Zhang Min
Department Of Agricultural Biochemistry And Biotechnology Tottori University
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Liu Jian-Ren
Department of Neurology, Second Affiliated Hospital, College of Medicine, Zhejiang University
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Ding Mei-Ping
Department of Neurology, Second Affilitated Hospital, College of Medicine, Zhejiang University
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Wei Qi-Chun
Department of Radiation Oncology, Second Affiliated Hospital, College of Medicine, Zhejiang University
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Huang Jian-Zheng
Department of Neurology, Second Affiliated Hospital, College of Medicine, Zhejiang University
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Huang Jian
Department of Oncology, Second Affiliated Hospital, College of Medicine, Zhejiang University
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Song Ying
College of Medicine, Zhejiang University
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Jia Ping-Juan
Department of Neurology, Shangyu People's Hospital
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