27 Result(s)
within
Y Inoue
Neurosurgery
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Article
Three-dimensional rotation venography using the digital subtraction angiography unit with a flat-panel detector: usefulness for the transtemporal/transtentorial approaches
We obtained the venograms using the two-dimensional digital subtraction angiography (2D DSA) images and three dimensional rotation venography (3D RV) images and investigated the potential usefulness of the 3D ...
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Article
Hearing improvement after tumor removal in a vestibular schwannoma patient with severe hearing loss
We herein report on the hearing improvement obtained after tumor removal in a vestibular schwannoma patient with preoperative severe hearing loss and good otoacoustic emission. Hearing recovery after tumor rem...
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Article
The diagnostic significance of the 3D-reconstructed MRI in vestibular schwannoma surgery: prediction of tumor origin
In hearing preservation surgery for the treatment of vestibular schwannoma (VS), one of the important factors is the determination of the origin of VS. In this study, we investigated the diagnostic significanc...
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Article
MR imaging of a case of a dumbbell-shaped spinal schwannoma with intramedullary and intradural-extramedullary components
We present here a case of intramedullary- and extramedullary-intradural, dumbbell-shaped schwannoma that developed in the upper thoracic cord in a middle-aged man. Before surgery, the tumor was clearly reveal...
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Article
MRI of cortical dysplasia – correlation with pathological findings
Cortical dysplasia (CD) is the most epileptogenic structural lesion associated with epilepsy and patients with intractable seizures caused by this condition are good surgical candidates. MRI plays an importan...
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Article
The “botryoid sign”: a characteristic feature of rhabdomyosarcomas in the head and neck
We investigated nine patients with rhabomyosarcoma in the head and neck (6–53 years of age), using CT and MRI. The tumours originated in the paranasal sinuses (3), cheek (2), soft palate (1), orbit (1), stern...
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Article
Syringomyelia associated with adhesive spinal arachnoiditis: MRI
We reviewed the MRI of seven patients with syringomyelia associated with surgically proven adhesive spinal arachnoiditis to describe clinical and MRI findings in this condition. Using 0.5, 1.0 or 1.5 tesla un...
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Article
Osteoid osteoma of the cervical spine depicted as dumbbell tumor by MRI
We report a case of 14-year-old male patient with osteoid osteoma of the cervical spine. Magnetic resonance imaging (MRI) revealed a large dumbbell-shaped paravertebral tumor in the region of the exiting left...
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Article
Rathke's cleft cyst associated with hypophysitis: MRI
We report a symptomatic Rathke's cleft cyst associated with hypophysitis in a 61-year-old woman. We demonstrate the MRI features and discuss the pathophysiology. To the best of our knowledge this is the first...
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Article
Expansive Suboccipital Cranioplasty for the Treatment of Syringomyelia Associated with Chiari Malformation
In order to treat syringomyelia associated with adult type Chiari malformation, the authors developed a method of expansive suboccipital cranioplasty (ESC) that involves enlarging the small posterior fossa to...
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Article
Surgical Outcome of Intramedullary Spinal Cord Ependymoma
Surgical outcome of intramedullary spinal cord ependymoma was investigated in order to define the treatment strategy. We have operated on 18 cases of intramedullary spinal cord ependymoma based on the princip...
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Article
Aetiology of Delayed Facial Palsy after Vestibular Schwannoma Surgery: Clinical Data and Hypothesis
A patient developed delayed facial nerve palsy at the level of House-Brackmann grade I to grade III 10 days after vestibular schwannoma surgery by the suboccipital transmeatal approach. The palsy had complete...
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Article
Hearing in the MRL/lpr mouse as a possible model of immune-mediated sensorineural hearing loss
In order to clarify the possible mechanism of hearing loss in immune-mediated sensorineural hearing loss, basic research needed includes animal model studies. In the present investigation, we examined hearing...
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Article
Lymphocytic adenohypophysitis: skull radiographs and MRI
We report the skull radiograph, CT and MRI findings in three patients with lymphocytic adenohypophysitis mimicking pituitary adenoma. All cases were associated with pregnancy. CT demonstrated a pituitary mass...
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Article
A case of a vascular anomaly with peculiar venous drainage
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Article
Intradural chordoma: case report and review of the literature
Chordomas are rare neoplasms arising from notochordal remnants found predominantly in the clivus and the sacrococcygeal regions. Most clivus chordomas show extradural extension and bone destruction. Such a tum...
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Article
Contrast-enhanced magnetic resonance imaging of sub- and epidural empyemas
Contrast-enhanced magnetic resonance images (MRI) of three patients with subdural (SDE) and two with epidural empyemas (EDE) were reviewed. In each case, the capsule of the lesion demonstrated enhancement, and...
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Article
Lateral sacral artery supply to an intramedullary arteriovenous fistula at the conus medullaris
In this 25-year-old woman, severe low back pain, flaccid paraparesis, sensory disturbance of both legs and sphincter dysfunction resulted from an intramedullary conal arteriovenous malformation fed by an anter...
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Chapter and Conference Paper
Pre- and Intraoperative Electrodiagnosis of Compressive Lumbosacral Nerve Root Lesions
Thirty-four patients with radiologically undetectable compressive lumbosacral radiculopathy, who had been surgically treated, were evaluated preoperatively according to electromyography (EMG), somatosensory ev...
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Article
Magnetic resonance images of tuberous sclerosis
The cerebral lesions in tuberous sclerosis are of three kinds: subependymal nodules, cortical tubers, and cluster of heterotopic cells in the white matter. Understanding of these hamartomas is still incomplete...
