Shotaro Maeda

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A 56-year-old woman presented with an intracranial osteosarcoma at the site of previous radiosurgery, manifesting as sudden onset of headache and left hemiparesis with aphasia. She had a previous history of stereotactic radiosurgery for an intracranial tumor under a diagnosis of falx meningioma. Computed tomography showed intratumoral and peritumoral(More)
Cytological differences between infiltrating lesions of the diffusely infiltrating astrocytoma (DIA) and reactive gliosis at its periphery have not yet been established. We compared histological specimens from cytological crush preparations of 200 brain tumors to characterize the cytology of the DIA and to discriminate it from reactive gliosis. First, the(More)
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