Naoya Kidani

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Intracavernous sinus arachnoid cysts are rare intracranial congenital lesions. When present, their anatomic location frequently results in cranial nerve palsy. A 15-year-old boy was admitted to our hospital with diplopia, which had gradually worsened over the previous several months. An arachnoid cyst was identified within the right cavernous sinus and(More)
BACKGROUND ICG videoangiography (ICG-VAG) is widely used in neurovascular surgery. In carotid artery disease, it has been used to assess the extent of the plaque and to confirm the removal of the plaque and patency of the artery. We introduce a novel usage of the ICG-VAG to confirm the patency of the external carotid artery (ECA) and superior thyroid artery(More)
A 31-year-old woman with pure red cell aplasia presented with motor aphasia and right homonymous hemianopia due to a left temporal and parietal lobe infarction. Magnetic resonance angiography revealed an occlusion of the left anterior and middle cerebral artery, with the development of moyamoya vessels. She was diagnosed with quasi-moyamoya disease and(More)
We present the case of a de novo vertebral artery dissecting aneurysm (VADA) after endovascular trapping of a ruptured VADA on the contralateral side. The first ruptured VADA involved the posterior inferior cerebellar artery, which was successfully treated by endovascular internal trapping using a stent. A follow-up study at 3 months revealed a de novo VADA(More)
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