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Article
Combined endoscopic endonasal and transcranial approach for internal carotid artery aneurysms: usefulness and safety of endonasal proximal control
It is necessary to secure both the proximal and distal sides of the parent artery to prevent premature rupture when clip** cerebral aneurysms. Herein, we describe four cases in which the proximal internal ca...
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Article
Open AccessAging-associated inflammation and fibrosis in arachnoid membrane
The physiological and pathological significance of the arachnoid membrane (AM) is still unknown. In this study, we investigated various characteristics of the AM, focusing on the influence of inflammation and ...
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Article
Inflammation promotes progression of thrombi in intracranial thrombotic aneurysms
Advances in the understanding of the pathogenesis of arteriosclerosis, abdominal aorta aneurysms and dissections, and carotid artery plaques have focused on chronic inflammation. In this study, we report that ...
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Article
Predictive factors for acute thrombogenesis occurring immediately after bypass procedure for moyamoya disease
Extracranial-to-intracranial (EC-IC) bypass surgery is an effective treatment for patients with moyamoya disease and other conditions. Some patients with moyamoya disease have a risk of acute thrombogenesis at...
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Article
Effectiveness of intraoperative visual evoked potential in avoiding visual deterioration during endonasal transsphenoidal surgery for pituitary tumors
Postoperative visual function is a major concern in transsphenoidal surgery (TSS). Although several reports have demonstrated the importance of visual evoked potential (VEP) monitoring during TSS, the usefulne...
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Article
Vascular assessment after clip** surgery using four-dimensional CT angiography
Recent advances in computed tomography angiography (CTA) enable repeated imaging follow up for post-clip** surgery. The purpose of this study was to clarify the critical volume and configuration of the aneur...
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Article
Heat generation by ultrasonic bone curette comparing with high-speed drill
Ultrasonic bone curettes have been used as with high-speed drills. However, the amount of heat generated by the ultrasonic bone curette is not well known. This study quantitatively assessed the heat generated ...
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Article
Open AccessPrevalence of and risk factors for enlarged perivascular spaces in adult patients with moyamoya disease
Enlarged perivascular spaces (EPVS) are often observed with magnetic resonance imaging in patients with small vessel disease. However, the risk factors, radiological features, and clinical relevance of EPVS in...
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Article
Biological relevance of tissue factor and IL-6 in arteriovenous malformations
Arteriovenous malformations (AVMs) are congenital abnormal vessels that shunt blood directly from the arterial to the venous system without a capillary bed. The underlying pathology of AVMs is not fully unders...
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Article
Assessment of the cortical artery using computed tomography angiography for bypass surgery in moyamoya disease
Computed tomography angiography (CTA) is often used to assess the vascular status in moyamoya disease. The purpose of the study is to identify the characteristics of cortical arteries (M4) of moyamoya disease ...
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Article
IgG4-related disease initially presented as an orbital mass lesion mimicking optic nerve sheath meningioma
We report a case of an optic nerve mass lesion associated with IgG4-related disease. A 39-year-old man presented with right blurred vision and proptosis 8 years before admission. Magnetic resonance imaging sho...
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Article
Chloroquine potentiates temozolomide cytotoxicity by inhibiting mitochondrial autophagy in glioma cells
Mitochondrial autophagy eliminates damaged mitochondria and decreases reactive oxygen species (ROS). The autophagy inhibitor chloroquine (CQ) potentiates temozolomide (TMZ) cytotoxicity in glioma cells, but it...
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Article
Hearing preservation surgery for vestibular schwannomas via the retrosigmoid transmeatal approach: surgical tips
Maximum tumor extirpation with preservation of the facial and cochlear nerve function is the goal of surgery for vestibular schwannoma. To preserve cochlear nerve function, the surgeon must employ a detailed k...
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Article
Microvascular decompression for hemifacial spasm associated with the vertebral artery
In patients with vascular compression syndromes, the preoperative recognition of the cranial nerves and compressed vessels will contribute to improved surgical results. The aim of this study was to clarify the...
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Article
Primary central nervous system anaplastic large-cell lymphoma mimicking lymphomatosis cerebri
Primary central nervous system lymphoma (PCNSL) is usually diffuse large B-cell lymphoma. Anaplastic large-cell lymphoma (ALCL) rarely occurs in the central nervous system. PCNSL always presents as single or m...
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Article
Presurgical planning for arteriovenous malformations using multidetector row CT
Microsurgical resection remains an important treatment for cerebral arteriovenous malformations (AVMs). We developed an accurate method for planning AVM resections using multidetector row CT (MDCT). Between Ja...
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Chapter
Preoperative and Postoperative MRA
Magnetic resonance angiography (MRA) has opened the door to noninvasive evaluation of the intracranial major arteries. The contemporary MRA can clearly disclose the major intracranial arteries and has become a...
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Chapter
Overview of Image Diagnosis of Moyamoya Disease
As mentioned in the Introduction, when the original concept of moyamoya disease is reviewed, digital subtraction angiography (DSA) is still the most reliable diagnostic modality. However, as mentioned in the f...
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Article
Cranial nerve assessment in posterior fossa tumors with fast imaging employing steady-state acquisition (FIESTA)
Steady-state free precession is widely used for ultra-fast cardiac or abdominal imaging. The purpose of this work was to assess fast imaging employing steady-state acquisition (FIESTA) and to evaluate its effi...
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Article
Existence of phenol oxidase in the argasid tick Ornithodoros moubata
Phenol oxidase (PO, EC 1.10.3.1) activity was detected in the hemolymph of the fourth instar nymphs of the argasid tick, Ornithodoros moubata, with peak levels corresponding to the days before the majority of th...
