- Pituitary Gland Disorders and Treatments
- Meningioma and schwannoma management
- Glioma Diagnosis and Treatment
- Adrenal Hormones and Disorders
- Neuroblastoma Research and Treatments
- Head and Neck Surgical Oncology
- Cerebrospinal fluid and hydrocephalus
- Brain Metastases and Treatment
- Intracranial Aneurysms: Treatment and Complications
- Neuroscience and Neuropharmacology Research
- Moyamoya disease diagnosis and treatment
- Growth Hormone and Insulin-like Growth Factors
- Electrolyte and hormonal disorders
- Hormonal Regulation and Hypertension
- Adrenal and Paraganglionic Tumors
- Neurological Complications and Syndromes
- Testicular diseases and treatments
- Diet and metabolism studies
- Neurological and metabolic disorders
- Spinal Fractures and Fixation Techniques
- Neurofibromatosis and Schwannoma Cases
- Neurosurgical Procedures and Complications
- Ophthalmology and Eye Disorders
- Cerebrovascular and Carotid Artery Diseases
- Anesthesia and Neurotoxicity Research
Kisarazu Hospital
2021-2024
Niigata University Medical and Dental Hospital
2016-2023
Niigata University
2002-2018
Yamagata Prefectural Central Hospital
2003-2004
Ohkawara Neurosurgical Hospital
1999
The study objectives are (1) to identify factors predicting the excellent visual recovery after transsphenoidal removal of pituitary tumors and (2) describe association early restoration symmetry decompressed optic chiasm.Thirty-five patients with symptoms due underwent endoscopic endonasal surgery. All received perioperative diagnostic magnetic resonance (MR) imaging ophthalmological assessments within 2 weeks before surgery, 3 months or later Preoperative best-corrected acuity (BCVA ≧...
Radiation monotherapy-prophylactic craniospinal or whole-brain irradiation paired with a radiation boost to the primary tumor-is standard treatment for intracranial germinomas at authors' institution. The authors assessed long-term outcomes of patients germinoma who underwent therapy and identified factors affecting them.The retrospectively analyzed data obtained in 46 (35 males 11 females, age 5-43 years diagnosis) had been treated between 1990 2009 Thirty localized regions 16 multiple...
The objectives of this study were to establish an adult rat model for the late onset radiation-induced cognitive dysfunction and compare behavioural with histopathological changes. While under anaesthesia, 30 rats (experimental group) irradiated a total dose 40 Gy, given as eight fractions in 24 days. Another (control underwent sham irradiation. functions all evaluated at 6, 9 12 months after irradiation using Morris water maze passive avoidance tasks. Histopathological examination these was...
Functional magnetic resonance imaging studies on spoken versus written language processing were performed in 20 right-handed normal volunteers a high-field (3.0-tesla) system. The areas activated common by both auditory (listening) and visual (reading) comprehension paradigms mapped onto the planum temporale (20/20), primary region (2/20), superior temporal sulcus area (2/20) parietale (3/20). study indicates that represents traffic for cortical which needs to access system of comprehension....
The purpose of this study was to assess the utility high-field magnetic resonance (MR) imaging as a quantitative tool for estimating cerebral circulation in patients with moyamoya disease.Eighteen disease who were scheduled undergo revascularization surgery and 100 healthy volunteers examined using T2-reversed MR performed 3-tesla system. Ten 18 underwent second between 1 year 3 years after revascularization. Magnetic images obtained statistically analyzed compared those volunteers. findings...
Object Three-dimensional anisotropy contrast (3DAC) magnetic resonance (MR) imaging provides clear depiction of neuronal fibers. The aim this study was to identify intracavernous cranial nerves in patients with pituitary macro-adenoma and healthy volunteers by using 3DAC MR on a 3-tesla system preoperatively predict cavernous sinus invasion macroadenoma. Methods Thirty-three (cavernous sinuses 66 sides) macroadenomas 25 (50 participated study. Coronal images constructed from diffusion...
In pediatric and adolescent patients, the most common causes for a thickened pituitary stalk with central diabetes insipidus are germ cell tumors, lymphocytic infundibuloneurohypophysitis (LIN), Langerhans histiocytosis (LCH). We describe here 13-year-old girl who had an abrupt onset of polyuria polydipsia. Magnetic resonance imaging brain revealed thickening stalk, loss physiological hyperintense signal posterior gland. Based on histopathology, she was diagnosed as having LCH. Another LCH...
Cavities occasionally found within the hippocampus during routine clinical magnetic resonance imaging (MRI) studies are believed to be a normal variant reflecting fluid collection vestigial hippocampal sulcus. However, lack of systematic defining objective criteria for such cavities has hampered further assessment potential abnormalities hippocampus. This study assessed detailed characteristics in subjects using new high-resolution MRI technique an attempt define normalcy.A technique,...
Examples of the spontaneous regression primary intracranial germinomas can be found in literature. We present case a patient with disseminated lesions germinoma which synchronously shrunk following diagnostic irradiation. will discuss whether this was or radiation-induced.A 43-year-old Japanese woman presented to our hospital complaining memory problems over period one year and blurred vision three months. Following magnetic resonance imaging, she have massive lesion third ventricle small...