19 Result(s)
within
English
Medicine & Public Health
Neurosurgery
Noboru Sakai
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Article
A non-infantile case of desmoplastic infantile astrocytoma
We describe a very rare non-infantile case of desmoplastic infantile astrocytoma (DIA). A 9-year-old boy presented with motor weakness and sensory disturbance in his right upper and lower limbs. CT and MRI sho...
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Article
Radiological response and histological changes in malignant astrocytic tumors after stereotactic radiosurgery
Stereotactic radiosurgery is an encouraging approach to deliver higher doses of radiation boost for malignant gliomas safely and precisely. The purpose of this study was to investigate the radiation response a...
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Article
Expression of hepatocyte growth factor and matrix metalloproteinase-2 in human glioma
Hepatocyte growth factor (HGF) has a stimulatory effect on the synthesis of matrix metalloproteinase-2 (MMP-2), which is involved in glioma invasion. In this study, to clarify the correlation between the expre...
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Article
Pressure changes observed in Codman-Medos programmable valves following magnetic exposure and filli**
Objects: We wished to find what pressure changes were caused in Codman-Medos programmable valve by magnetic exposure and filli**. This pressure-adjustable valve system was used in an experimental investigation...
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Article
Chordoid meningioma
Chordoid meningioma is a relatively rare variant that is often associated with peritumoral lymphoplasmacellular infiltration causing Castleman syndrome (CS). We present a 44-year-old woman with chordoid mening...
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Article
Germinoma in cerebral hemisphere associated with Down syndrome
A Down syndrome patient with germinoma develo** in the cerebral hemisphere is reported. A review of the literature yielded only 14 cases of Down syndrome with brain tumors, including our case. This finding ...
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Article
Messenger RNA fingerprinting analysis using arbitrarily primed PCR (RAP) of genes expressed during rat C6 glioma cell differentiation
To identify differentially expressed genes involved in rat C6 glioma cell differentiation induced by cyclic AMP, we adopted mRNA fingerprinting using arbitrarily primed polymerase chain reaction (PCR) (RAP). F...
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Article
Primary pleomorphic adenoma in posterior cranial fossa
A 35-year-old woman had an intradural tumor in the posterior fossa adjacent to the posterior wall of the left pyramidal bone, which was totally removed and histologically diagnosed as a pleomorphic adenoma. Fo...
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Article
Long-term survival in malignant intracranial germ-cell tumors: a report of two cases and a review of the literature
The authors report the successful treatment of two cases of malignant germ-cell tumor. A 12-year-old patient with a pineal immature teratoma and increase of α-fetoprotein serum levels was treated with total ex...
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Article
Histochemistry with Helix pomatia agglutinin in human germ cell tumors: detection of nongerminomatous components and correlation between HPA reactivity and radiosensitivity in germinomas
Binding sites of Helix pomatia agglutinin (HPA) were examined in 32 patients with intracranial human germ cell tumors. HPA reactivity was found in vascular endothelial cells and erythrocytes of patients with bloo...
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Article
Expression of the placental form of glutathione S-transferase in pediatric gliomas
Expression of the human placental form of glutathione S-transferase (GST-θ) in pediatric gliomas, consisting of three pilocytic astrocytomas (grade 1), two fibrillary astrocytomas (grade 2), three anaplastic a...
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Article
Proliferative assessment of craniopharyngioma and epidermoid by nucleolar organizer region staining
The histologic distinction between craniopharyngioma and epidermoid is equivocal. Eight craniopharyngiomas and ten epidermoids (including three dermoids) as well as nine rat (Wistar) abdominal skins that acted...
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Article
Intracranial cavernous angioma in the 1st year of life and a review of the literature
Three cases of symptomatic cavernous angioma occurring in the 1st year of life are presented. All three patients were treated with radical extirpation. Postoperatively, two of them improved, but the third died...
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Article
Surgical indications for infantile subdural effusion
Thirty-four cases of infantile subdural effusion (ISE) were reviewed in relation to surgical treatment and its prognosis during an average of 4 years of extended follow-up. The surgical indications were determ...
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Chapter
Clinical Analysis with 51 Cases of Meningocele and Meningomyelocele, with Special Reference to Hydrocephalus
Fifty-one cases with meningocele (MC), meningomyelocele (MMC), and encephalocele (EC) were analysed in association with the occurrence of hydrocephalus. The incidence of hydrocephalus for all cases was 56.9% o...
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Chapter
Surgical Treatment for Infantile Subdural Fluid Collections
Sixteen cases with infantile subdural fluid collections (SFC), which had no history of antecedent head injury, birth trauma, or intracranial infection, with onset symptoms of macrocrania (8 cases) and general ...
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Chapter and Conference Paper
Clinical and Experimental Studies of Leukotrienes in Subarachnoid Hemorrhage
Based on the free radical theory in biological systems, which was proposed in 1973 [3], actions of lipid peroxides relating to the mechanism of cerebral vasospasm after subarachnoid hemorrhage (SAH) have been ...
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Article
Postnatal development and enlargement of primary middle cranial fossa arachnoid cyst recognized on repeat CT scans
The etiology and mechanism of expansion of primary intracranial arachnoid cysts have been much debated. A rare case of an 8-month-old boy is reported, in which postnatal development and enlargement of a middle...
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Article
Sclerotic changes around the endolymphatic sac in human temporal bones
We used light microscopy to study 87 human temporal bones (from 47 cases) with no known otological disorders, and found that certain cases had sclerotic changes around the endolymphatic duct and sac. Changes i...
