Masakazu Kitahara

Learn More
A case is presented of ruptured "true" posterior communicating artery aneurysm thirteen years after surgical occlusion of the ipsilateral cervical internal carotid artery. A 58-year-old female developed the sudden onset of blepharoptosis on the right side. She had had a right superficial temporal artery-middle cerebral artery anastomosis and a surgical(More)
A 20-year-old man received 60 Gy of radiation therapy after partial removal of craniopharyngioma. The patient had been well and follow-up CT scans did not show any aggravation for 16 years. Since his activity gradually diminished, he underwent an MRI at the age of 36 which revealed an abnormal mass on the corpus callosum. The mass lesion progressively(More)
A 7-year-old female was admitted to our hospital with complaints of headache and nausea following mild head injury. Computed tomography (CT) showed a small epidural hematoma (EH) in the right frontal area, but she was kept under observation because of these mild symptoms. Two weeks after admission, repeat CT showed that the EH had gradually increased in(More)
A patient with an enhancing, completely intracanalicular mass on MRI was presented. He had noticed progressive hearing loss in the left ear with tinnitus. Neurological examination revealed no abnormality except decreased hearing in the left ear. There were no other cranial nerve or cerebellar signs. An audiogram revealed profound hearing loss on the left(More)
A female infant was born at 36 weeks with vacuum extraction. Her weight was 2.216 g and Apgar score was 9. She had a cephalohematoma at right parietal region. The cephalohematoma grew during 6 days after birth, then she came to our hospital. On arrival, her consciousness was alert and there were no neurological deficits. Her head circumference was 22.5 cm,(More)
Local cerebral lesions may cause depression of function in remote areas of the brain presumably by a transneural mechanism. This has been called "diaschisis". In the present study, regional brain blood flow in hypertensive right putaminal hemorrhage was studied in 33 patients (mean age, 55 year; 22 men, 11 women) to investigate the relationship between the(More)
We reported a case of long survival brain metastasis and meningeal carcinomatosis from lung cancer without radiochemotherapy. A 59-year-old female admitted to our hospital suffered from headache, anorexia and nausea. Papilledema was noticed, and examinations showed a brain tumor in the left parietal lobe and cancer cells in cerebrospinal fluid. Removal of(More)
Local cerebral lesions may cause depression of function in remote areas of the brain presumably by a transneural mechanism; it has been called "diaschisis". In the present study, to investigate the relationship between motor function and "diaschisis" regional brain blood flow in hypertensive right putaminal hemorrhage was studied in 33 patients (mean age,(More)
  • 1