Affiliation: | 1. Department of Hematology, Soka Municipal Hospital, 2-21-1 Soka, Soka, Saitama 340-8560, Japan;2. Department of Neurosurgery, Soka Municipal Hospital, 2-21-1 Soka, Soka, Saitama 340-8560, Japan;3. Department of Radiology, Soka Municipal Hospital, 2-21-1 Soka, Soka, Saitama 340-8560, Japan;4. Department of Neurology and Neurological Science, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8519, Japan |