Publications by authors named "Shunichi Okui"

A 76-year-old man presented with a sudden disturbance of consciousness and right hemiplegia. An initial computed tomographic examination revealed multiple hematomas. The laboratory studies were highly suggestive of disseminated intravascular coagulation, although the underlying diseases were unknown at the time of admission.

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A 34-year-old female presented with subarachnoid hemorrhage caused by the rupture of a right vertebral artery (VA) dissecting aneurysm. The affected site, including the aneurysm and parent artery, was successfully occluded with detachable coils. Follow-up angiography performed 28 days after the endovascular treatment revealed recanalization of the parent artery.

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A previously healthy 32-year-old man was surgically treated under a diagnosis of right subcortical hematoma. Magnetic resonance imaging incidentally demonstrated tonsillar herniation. Thirty-two months later, he was readmitted with complaints of occipital, neck, and shoulder pain as well as cerebellar ataxia.

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An 81-year-old man presented with subdural empyema in the left parietotemporal convexity 2 months after treatment under diagnoses of liver abscess and septicemia. Systemic investigation found no evidence of otorhinological or other focal infection except for liver abscess. Emergency drainage of pus was performed via a single burr hole and additional intravenous antibiotics were administered.

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We report an unusual case of a 56-year-old woman with a supratentorial anaplastic ependymoma localized in the parenchyma without continuity with the ventricular system and brain surface. The patient presented with vertigo, and a calcified mass was detected in the left temporal parenchyma. Five years later, she had seizure of the right extremities.

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Background: Although angiography is still gold standard for the diagnosis of cerebral aneurysms, false-negative angiograms in cases of subarachoid hemorrhage due to a rupture of an anterior communicating artery aneurysm have been previously reported. We now report a case of an anterior communicating aneurysm demonstrated by 3-dimensional digital angiography (3D-DSA) after a negative standard angiogram.

Case Description: A 41-year-old female was admitted in a comatose state.

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