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Spontaneous Retroclival Subdural Hematoma Diagnosed Using Magnetic Resonance Imaging in an Adult Patient:A Case Report Yoshiyuki MATSUMOTO 1 , Tomoji TAKIGAWA 1,2 , Toru ANAZAWA 1 , Nobuo SHIRASAKA 1 , Yoshiko FUJII 1 , Yasuhiko NARIAI 1 , Yoshiki SUGIURA 1 , Yosuke KAWAMURA 1 , Ryotaro SUZUKI 1 , Issei TAKANO 1 , Masaya NAGAISHI 1 , Akio HYODO 1,2 , Kensuke SUZUKI 1 1Department of Neurosurgery, Dokkyo Medical University Saitama Medical Center 2Department of Endovascular Surgery, Dokkyo Medical University Saitama Medical Center Keyword: spontaneous retroclival subdural hematoma , intraventricular hemorrhage , anterior pontine membrane , thunderclap headache pp.725-731
Published Date 2020/8/10
DOI https://doi.org/10.11477/mf.1436204261
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 Spontaneous retroclival subdural hematoma is rare among adults. To the best of our knowledge, only six cases have been reported.

 A 73-year-old man presented with sudden severe headache, diplopia, and dysarthria, with no history of trauma. Head CT revealed a retrociliary hematoma. No obvious causes of bleeding, such as cerebral aneurysms or malformations, were detected. Conservative treatment was provided to the patient. MRI showed an intraventricular hemorrhage and a space between the basilar artery and hematoma three days after onset. The hematoma almost disappeared on day 7. MRI, particularly T2-weighted sagittal MRI, is effective in localizing hematomas and confirming intraventricular hemorrhages.


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

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