Manabu Ohnishi

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We report a rare case with polycystic kidney disease (PKD) having an intracranial internal carotid artery aneurysm associated with extracranial occlusion of the ipsilateral internal carotid artery. A 55-year-old man with chronic renal failure due to PKD presented with headache. CT scan and MRI showed no abnormal findings. MRA showed cervical occlusion of(More)
High b-value diffusion-weighted (DW) imaging obtained with a b-value of 2,000 s/mm2 offers theoretical advantages over DW imaging obtained with a b-value of 1,000 s/mm2 for detection of acute brain infarction. The purpose of this study was to determine whether high b-value DW images (b=2,000) are better than b=1,000 images for detection of diffusion change(More)
The cortical arteries arising from the proximal (Ml) segment of the middle cerebral artery (MCA) are called "early branches". We retrospectively analyzed clinical features in 10 patients with aneurysms located at the early branches of MCA. The incidence of these aneurysms was 9.5% among 95 MCA aneurysms. Patients consisted of 4 males and 6 females. Ages(More)
This clinical report presents orthodontic applications of double contrast arthrotomography and arthroscopy of the temporomandibular joint. We examined a case of mandibular shift with stomatognathic dysfunction using these techniques, and found medial displacement of the articular disk. Generally, displacement of the articular disk is examined only from(More)
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