Shigeyuki Nagaya

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AIM To evaluate the utility of diffusion-weighted imaging (DWI) in screening and differential diagnosis of benign and malignant focal hepatic lesions. METHODS Magnetic resonance imaging (MRI) examinations were performed using the Signa Excite Xl Twin Speed 1.5T system (GE Healthcare, Milwaukee, WI, USA). Seventy patients who had undergone MRI of the liver(More)
OBJECTIVE To investigate the effectiveness of incentive spirometry on respiratory motion in healthy subjects using cine breathing magnetic resonance imaging (MRI). METHODS Ten non-smoking healthy subjects without any history of respiratory disease were studied. Subjects were asked to perform pulmonary training using incentive spirometry every day for two(More)
STUDY DESIGN Prospective trial of virtual endoscopy in spinal surgery. OBJECTIVE To investigate the utility of virtual endoscopy of the spine in conjunction with spinal surgery. SUMMARY OF BACKGROUND DATA Several studies have described clinical applications of virtual endoscopy to visualize the inside of the bronchi, paranasal sinus, stomach, small(More)
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