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OBJECTIVE Results of Gamma Knife radiosurgery (GKS) were retrospectively evaluated in 16 patients with histologically confirmed atypical and anaplastic intracranial meningiomas. MATERIALS AND METHODS There were nine men and seven women (mean age 61.0 years). Atypical meningiomas were diagnosed in nine cases and anaplastic meningiomas in seven. In nine(More)
A case of an amnestic syndrome caused by a subcortical haematoma in the right occipital lobe is reported. A 62-year-old right-handed man presented with a sudden onset of headache to the hospital. On admission, he had a left homonymous hemianopsia, disorientation and recent memory disturbance, but had normal remote memory and digit span. Computed tomography(More)
BACKGROUND We aimed to examine whether stereotactic radiosurgery without whole-brain radiotherapy (WBRT) as the initial treatment for patients with five to ten brain metastases is non-inferior to that for patients with two to four brain metastases in terms of overall survival. METHODS This prospective observational study enrolled patients with one to ten(More)
This study reports two patients with tumours arising from the splenium of the corpus callosum that caused a memory disturbance consistent with retrosplenial amnesia as well as a variety of cognitive deficits including agraphia, acalculia, constructional apraxia and ideomotor and ideational apraxia involving both hands, but not aphasia. Patients showed(More)
The diagnosis and treatment of soft tissue sarcomas (STSs) has been particularly difficult, because STSs are a group of highly heterogeneous tumors in terms of histopathology, histological grade, and primary site. Recent advances in genome technologies have provided an excellent opportunity to determine the complete biological characteristics of neoplastic(More)
The authors report an unusual case of a dural arteriovenous fistula (dAVF) draining only to the diploic vein and causing intracerebral hemorrhage. A 62-year-old woman presented with disturbance of consciousness and left hemiparesis. Brain CT scanning on admission showed a right frontal subcortical hemorrhage. Digital subtraction angiography revealed an(More)
OBJECTIVE Central neurocytoma (CN) is a rare benign neuronal tumor, and a limited number of reports have described the usefulness of radiosurgery for a relatively large group of patients. We evaluated the effectiveness and outcomes of Gamma Knife radiosurgery (GKS) for CN in a Japanese multi-institutional study. METHODS We performed retrospective analysis(More)
OVERVIEW: Green vehicles have become familiar sights on the road in recent years, with growing sales of HEVs and the arrival of the fi rst mass production BEVs. With environmental regulations on CO 2 (fuel economy) and exhaust emissions also becoming increasingly stringent, sales of these green vehicles are set to increase further in the future.(More)