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Idiopathic syringomyelia, which is not associated with any definite pathogenic lesions, has been treated mainly by shunting of the syrinx and rarely by craniocervical decompression. The authors report four cases of syringomyelia thought to be idiopathic syringomyelia but treated by craniocervical decompression with favorable results. Syringomyelia was(More)
After the main trunk of the mouse facial nerve was injured by crushing, a fiber tracing method was used to quantify the facial motor neurons that extended regenerating nerve fibers to the specific site of the facial nerve branch. The total number of motor neurons retrogradely labeled with a fluorescent tracer, Fluoro-Gold (FG), were 0 on postsurgical days(More)
A 54-year-old female presented with subarachnoid hemorrhage due to rupture of a small middle cerebral artery aneurysm, found to be thrombosed at surgery and not visualized on the preoperative angiograms. One major branch of the middle cerebral artery was found to be occluded near the trifurcation. The lumen of the branch proximal to the occlusion had(More)
We have performed tissue culture of pituitary adenomas (5 acromegalies, 7 non-acromegalies) and measured GH, PRL, LH and FSH in the media of tissue culture by radioimmunoassay (RIA) for 30-40 days. In addition, GH, PRL, LH and FSH were measured in the plasma and tumor tissue by RIA. GH concentration in the culture media was markedly high in all cases with(More)
A case is reported in which a human chorionic gonadotropin (HCG-)-producing ectopic pinealoma was found in a 5-year-old girl with precocious puberty. Physical examination revealed abnormal breast enlargement. Endocrinological study disclosed a high plasma HCG concentration of 1192 ng/ml with a normal follicular stimulating hormone (FSH) level. The HCG(More)
INTRODUCTION The Suwa Onbashira Festival is held every six years and draws approximately one million spectators from across Japan. Men ride the Onbashira pillars (logs) down steep slopes. At each festival, several people are crushed under the heavy log. During the 2004 festival, for the first time, a medical care system that coordinated a medical team, an(More)
HCG-producing ectopic pinealoma of two cell pattern type was demonstrated in a 5-year old girl who presented precocious puberty and bilateral choked discs. The tumor was localized at the anterior third ventricle and suprasellar region. Endocrinological findings are as following: Plasma basal LH was markedly elevated to 306 mIU/ml and HCG was elevated to(More)
10 acoustic neurinomas, 2 spinal cord neurinomas and 3 neurofibromas of von Recklinghausen's disease were elaborately studied by monolayer tissue culture method and Gelfoam organ culture method. Four morphological types were found in the acoustic and spinal cord neurinoma. (1) multinucleated cells (type I), dividing into bipolar spindle-shaped cells. (2)(More)