Spontaneous intracranial hypotension associated with dural sinus thrombosis.

abstract：:The present study conducted risk-adjusted analyses to investigate the impacts of hospital and surgeon volumes on postoperative complications and the modified Rankin scale (mRS) after intracranial clipping of unruptured aneurysms, and to discuss the efficacy of relevant policy changes. Among 107 Japanese institutions, ...

journal_title：Neurologia medico-chirurgica

authors： Yasunaga H,Matsuyama Y,Ohe K,Japan Neurosurgical Society.

更新日期：2008-12-01 00:00:00

abstract：:The relationships between event-related potential (P300), higher brain functions, and regional cerebral blood flow (rCBF) were examined in 31 neurosurgical patients. The P300 latency, evaluated by an acoustic "odd-ball" paradigm, was normal in 14 and prolonged in 17 patients. Fourteen of 17 prolonged P300 patients had...

journal_title：Neurologia medico-chirurgica

authors： Kuwata T,Funahashi K,Maeshima S,Ogura M,Hyotani G,Terada T,Itakura T,Hayashi S,Komai N

更新日期：1993-03-01 00:00:00

abstract：:A 56-year-old male with two mycotic aneurysms associated with infective endocarditis was treated by endovascular surgery before mitral valve replacement. Angiography revealed a ruptured proximal aneurysm and an unruptured distal aneurysm on the right middle cerebral artery. The ruptured aneurysm was successfully treat...

journal_title：Neurologia medico-chirurgica

authors： Watanabe A,Hirano K,Ishii R

更新日期：1998-10-01 00:00:00

abstract：:A 67-year-old female presented with multiple dural arteriovenous fistulas (AVFs) manifesting as dementia rapidly progressing over 2 months. The initial diagnosis was Creutzfeldt-Jakob disease based on the acute clinical course. However, angiography eventually revealed multiple dural AVFs involving the bilateral convex...

journal_title：Neurologia medico-chirurgica

authors： Abe K,Okuda O,Ohishi H,Sonobe M,Arai H

更新日期：2014-01-01 00:00:00

abstract：:A 53-year-old woman presented with intracranial hemorrhage caused by a ruptured cerebral aneurysm. Digital subtraction angiography revealed a large aneurysm arising from the top of the basilar artery and a Spetzler-Martin grade 3 arteriovenous malformation. Endovascular embolization of the aneurysm was completed with ...

journal_title：Neurologia medico-chirurgica

authors： Ishii D,Takechi A,Seyama G,Sogabe T

更新日期：2012-01-01 00:00:00

abstract：:Developmental venous anomalies (DVAs), previously called venous angiomas, are the most frequently encountered cerebral vascular malformations. However, DVA is considered to be rather an extreme developmental anatomical variation of medullary veins than true malformation. DVAs are composed of dilated medullary veins co...

journal_title：Neurologia medico-chirurgica

authors： Aoki R,Srivatanakul K

更新日期：2016-09-15 00:00:00

abstract：:Modern imaging technologies, such as computed tomography (CT) angiography, magnetic resonance (MR) angiography, and digital subtraction (DS) angiography are widely used for pretreatment evaluation of cerebral aneurysms, but the relative accuracies of these modalities are unclear. This study compared the measurements o...

journal_title：Neurologia medico-chirurgica

authors： Takao H,Murayama Y,Ishibashi T,Saguchi T,Ebara M,Arakawa H,Irie K,Iwasaki K,Umezu M,Abe T

更新日期：2010-01-01 00:00:00

abstract：:The effect of decompressive craniectomy on regional cerebral blood flow (rCBF) was investigated in five patients with severe head trauma who underwent decompressive craniectomy. Repeated rCBF studies using single photon emission computed tomography with 99mtechnetium-hexamethylpropyleneamine oxime observed that a hype...

journal_title：Neurologia medico-chirurgica

authors： Yamakami I,Yamaura A

更新日期：1993-09-01 00:00:00

abstract：:A 6-year-old boy presented with a pontine abscess initially misdiagnosed as brainstem glioma, but he deteriorated rapidly and developed new symptoms of respiratory distress. Magnetic resonance (MR) imaging revealed a rapidly growing mass lesion in the pons. Microsurgical evacuation of the abscess via a suboccipital re...

journal_title：Neurologia medico-chirurgica

authors： Imai H,Ono N,Zama A,Tamura M

更新日期：1995-03-01 00:00:00

abstract：:Hemorrhage in regions remote from the site of initial intracranial operations is rare, but may be fatal. Postoperative cerebellar hemorrhage as a complication of supratentorial surgery, with a radiological appearance known as zebra sign, is an increasingly recognized clinical entity and is associated mainly with vascu...

journal_title：Neurologia medico-chirurgica

authors： Figueiredo EG,de Amorim RL,Teixeira MJ

更新日期：2009-06-01 00:00:00

abstract：:A 73-year-old woman presented with diffuse subarachnoid hemorrhage from a ruptured fusiform aneurysm directly arising from the right distal anterior inferior cerebellar artery. Six years before admission, she had undergone stereotactic irradiation for right vestibular schwannoma, under a diagnosis based on neuroimagin...

journal_title：Neurologia medico-chirurgica

authors： Yamaguchi S,Kato T,Takeda M,Ikeda H,Kitamura K

更新日期：2009-05-01 00:00:00

abstract：:The present study assessed the safety and efficacy of embolization using Guglielmi detachable coils (GDCs) in 100 asymptomatic cerebral aneurysms classified as sidewall (70) or terminal (30) aneurysms according to the parent artery (68 small aneurysms with a small neck, 21 small aneurysms with a wide neck, and 11 larg...

journal_title：Neurologia medico-chirurgica

authors： Soeda A,Sakai N,Sakai H,Iihara K,Nagata I

更新日期：2004-09-01 00:00:00

abstract：:A female baby was born at 37 weeks and 6 days gestation by vaginal delivery with omphalocele, exstrophy of the cloaca, and imperforate anus, indicating the presence of OEIS complex, a rare combination of defects consisting of omphalocele (O), exstrophy of the cloaca (E), imperforate anus (I), and spinal deformity (S),...

journal_title：Neurologia medico-chirurgica

authors： Tokunaga S,Morioka T,Hashiguchi K,Samura K,Yoshida F,Miyagi Y,Yoshiura T,Yamanouchi T,Sasaki T

更新日期：2009-10-01 00:00:00

abstract：:A 37-year-old woman presented with photophobia without visual loss associated with chiasmal compression by an unruptured anterior communicating artery (AcomA) aneurysm. She had suffered progressive photophobia for one year. Neuroimaging indicated an AcomA aneurysm attached to the chiasm. Photophobia was resolved follo...

journal_title：Neurologia medico-chirurgica

authors： Hagihara N,Abe T,Yoshioka F,Watanabe M,Tabuchi K

更新日期：2009-04-01 00:00:00

abstract：:A 27-year-old male presented with a rare association of a ruptured orbitofrontal artery aneurysm and a dural arteriovenous malformation (DAVM) fed by both ethmoidal arteries, manifestation as severe headache, nausea, and vomiting. Computed tomography revealed a hematoma within the right frontal lobe and diffuse subara...

journal_title：Neurologia medico-chirurgica

authors： Murai Y,Yamashita Y,Ikeda Y,Node Y,Teramoto A

更新日期：1999-02-01 00:00:00

abstract：:Image-guided neurosurgery using navigation systems is an essential tool to increase accuracy in brain tumor surgery. However, brain shift during surgery has remained problematic. The present study evaluated the utility of a new ultrasound (US)-linked navigation system for brain tumor surgery in 64 patients with intrac...

journal_title：Neurologia medico-chirurgica

authors： Ohue S,Kumon Y,Nagato S,Kohno S,Harada H,Nakagawa K,Kikuchi K,Miki H,Ohnishi T

更新日期：2010-01-01 00:00:00

abstract：:The intralaminar screw construct has been recently introduced in C6-C7 fixation. The aim of the study is to compare the stability afforded by three different C7 posterior fixation techniques using a three-dimensional finite element model of a C6-C7 cervical spine motion segment. Finite element models representing thre...

journal_title：Neurologia medico-chirurgica

authors： Hong JT,Qasim M,Espinoza Orías AA,Natarajan RN,An HS

更新日期：2014-01-01 00:00:00

abstract：:A novel technique was developed to detect coil migration to the stent interior using mask images of rotational angiography. Stent-assisted coil embolization under x-ray fluoroscopy control was simulated with a hand-made vessel model. The stent interior was observed with a rigid endoscope during coil embolization. Afte...

journal_title：Neurologia medico-chirurgica

authors： Shigematsu T,Toyota S,Fujimoto Y,Yamamoto H,Wakayama A,Yoshimine T

更新日期：2008-08-01 00:00:00

abstract：:A 62-year-old woman presented with a rare case of subependymoma associated with prominent Rosenthal fibers located in the left lateral ventricle manifesting as right hemiparesis and mild motor aphasia. The tumor was well demarcated and consisted of clusters of round nuclei embedded in an abundant gliofibrillary matrix...

journal_title：Neurologia medico-chirurgica

authors： Ohmura T,Tsugu H,Iwaasa M,Utsunomiya H,Fukushima T,Inoue T

更新日期：2010-01-01 00:00:00

abstract：:Hemodynamic stress and chronic inflammation are closely associated with the pathogenesis of intracranial aneurysms (IAs). However, the hemodynamic and biological mechanisms triggering IA formation remain to be elucidated. To clarify them, computational fluid dynamics (CFD) and histopathological analyses in the early p...

journal_title：Neurologia medico-chirurgica

authors： Kataoka H,Yagi T,Ikedo T,Imai H,Kawamura K,Yoshida K,Nakamura M,Aoki T,Miyamoto S

更新日期：2020-07-15 00:00:00

abstract：:Cancers of the paranasal sinuses and nasal cavity are the most common malignant tumors of the anterior and anterolateral skull base. The treatment of these tumors affecting the skull base is complex due to the significant anatomical features. We examined 25 patients, 17 males and 8 females with mean age 61 +/- 2 years...

journal_title：Neurologia medico-chirurgica

authors： Jimbo H,Kamata S,Miura K,Asamoto S,Tada S,Endo T,Masubuchi T,Nakamura N,Fushimi C

更新日期：2010-01-01 00:00:00

abstract：:The effect of hypoxia on glioma growth including pathological changes was investigated in an experimental model of brain ischemia in the rat C6 glioma model. C6 glioma cells were inoculated into the subcortex of adult Wistar rats. Focal cerebral ischemia near the implanted glioma area was induced by permanent middle c...

journal_title：Neurologia medico-chirurgica

authors： Mamun MH,Kamitani H,Kinoshita Y,Tabuchi S,Wasita B,Watanabe T

更新日期：2009-07-01 00:00:00

abstract：:The authors present an extremely rare case of a 48-year-old female who developed repeated perianeurysmal edema at 2, 9, and 16 weeks after endovascular coil embolization for the ruptured intracranial aneurysm. Interestingly, the mechanism for this edema could be different at each time point in this case; acute thrombo...

journal_title：Neurologia medico-chirurgica

authors： Takeshita T,Horie N,Fukuda Y,So G,Hayashi K,Morikawa M,Suyama K,Nagata I

更新日期：2015-01-01 00:00:00

abstract：:Two patients presented with primary intramedullary spinal cord germinoma (PISCG). Neither diagnosis was correct at initial evaluation, and both underwent surgical verification of the tumor. Based on the histological diagnosis, both patients were treated successfully by combination of chemotherapy and radiotherapy. The...

journal_title：Neurologia medico-chirurgica

authors： Yamagata T,Takami T,Tsuyuguchi N,Goto T,Wakasa K,Ohata K

更新日期：2009-03-01 00:00:00

abstract：:Subarachnoid hemorrhage due to rupture of a pre-existing intracranial aneurysm has quite a poor outcome in spite of intensive medical care. Hemodynamic stress loaded on intracranial arterial walls is considered as a trigger and a regulator of formation and progression of the disease, but how intracranial arterial wall...

journal_title：Neurologia medico-chirurgica

authors： Miyata H,Shimizu K,Koseki H,Abekura Y,Kataoka H,Miyamoto S,Nozaki K,Narumiya S,Aoki T

更新日期：2019-01-15 00:00:00

abstract：:An 85-year-old male presented with bilateral chronic subdural hematomas (CSDHs) resulting in unilateral oculomotor nerve paresis and brainstem symptoms immediately after removal of both hematomas in a single operation. Initial computed tomography on admission demonstrated marked thick bilateral hematomas buckling the ...

journal_title：Neurologia medico-chirurgica

authors： Okuchi K,Fujioka M,Maeda Y,Kagoshima T,Sakaki T

更新日期：1999-05-01 00:00:00

abstract：:A 51-year-old female with a ruptured dissecting vertebral artery aneurysm underwent an uneventful wrapping technique using Biobond-soaked gauze through a unilateral suboccipital transcondyle approach. On the 3rd postoperative day, she developed pareses of the ipsilateral VII through XII cranial nerves. Daily intraveno...

journal_title：Neurologia medico-chirurgica

authors： Kuroki T,Aoki K,Aoki Y,Nemoto A,Yamazaki T,Katsume M,Takasu N

更新日期：2003-01-01 00:00:00

abstract：:The traditional hypothesis of cerebrospinal fluid (CSF) hydrodynamics presumes that CSF is primarily produced in the choroid plexus (CP), then flows from the ventricles into the subarachnoid spaces, and mainly reabsorbed in the arachnoid granulations. This hypothesis is necessary to reconsider in view of recent resear...

journal_title：Neurologia medico-chirurgica

authors： Miyajima M,Arai H

更新日期：2015-01-01 00:00:00

abstract：:Cerebral arterial dissection is defined as a hematoma in the wall of a cervical or an intracranial artery. Cerebral arterial dissection causes arterial stenosis, occlusion, and aneurysm, resulting in acute infarction and hemorrhage. Image analysis by such methods as conventional angiography, computed tomography, magne...

journal_title：Neurologia medico-chirurgica

authors： Kanoto M,Hosoya T

更新日期：2016-09-15 00:00:00

abstract：:We report a rare case of thoracic epidural angiolipoma in a 38-year-old female with clinical, radiological, and histological findings including magnetic resonance imaging. Magnetic resonance imaging can provide preoperative diagnosis of spinal angiolipoma, and complete removal can achieve a successful outcome. The pos...

journal_title：Neurologia medico-chirurgica

authors： Shibata Y,Sugimoto K,Matsuki T,Nose T

更新日期：1993-05-01 00:00:00