Yosuke Kogure

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Neurogenic mechanisms of pressure waves were investigated by means of electrical stimulation of the upper pons and the lower midbrain of 32 dogs in which subarachnoid hemorrhage had experimentally been made. The dogs were slightly anesthetized, immobilized and artificially respired. After subarachnoid infusion of red blood cells, continuous recordings of(More)
A 76-year-old female developed depression and loss of appetite. On admission, in June of 1987, she was disoriented. Computed tomography (CT) revealed enhanced masses without perifocal edema in the cerebellar vermis and left occipital lobe. The cerebellar tumor was subtotally removed through a suboccipital craniectomy. Histological examination disclosed(More)
The present study was designed to induce plateau waves by electrical stimulation of the brain stem and examine the changes in EEG during the plateau waves. Experiments were carried out on 10 adult mongrel dogs which were slightly anesthetized, immobilized and artificially respired. Electroencephalogram (EEG), intracranial pressure (ICP), systemic blood(More)
Nine cases with hyponatremia were precisely examined during the past 2 years. Seven of them showed normal plasma volume, serum aldosterone and pituitary function, although ADH was detected. Therefore, those seven cases were diagnosed without dilutional hyponatremia due to SIADH (a syndrome of inappropriate secretion of antidiuretic hormone). The mechanism(More)
A patient having glioblastoma accompanied with calcification in the cervical spinal cord is presented. A calcifying lesion, detected on preoperative x-ray computed tomograms, was histologically confirmed as calcified areas in the tumor tissue. We discuss the difficulty in differentiating glioblastomas containing calcified masses from benign tumors with(More)
A case of Nelson's syndrome with an adrenocorticotropic hormone-secreting pituitary chromophobe microadenoma is presented to demonstrate the potential capability of rapid sequential (dynamic) computerized tomography (CT) scanning for the diagnosis of a pituitary microadenoma that was isodense with the adjacent pituitary gland on conventional enhanced CT(More)
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