Seizo Sawada

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In a 58-year-old male, upper digestive endoscopy revealed a protruding lesion in the esophagus on a medical examination. The patient was referred to the Department of Surgery in our hospital to undergo surgery. On the initial consultation, upper digestive endoscopy showed a smooth, soft, black purple, type II protruding lesion measuring approximately 25 mm(More)
We tested the ability of cycle ergometer exercise echocardiography to detect cases of occult cor pulmonale among 25 patients with chronic obstructive pulmonary disease (COPD). The M-mode echocardiographic ventricular septal motion, left ventricular shape determined by short-axis two-dimensional (2-D) echocardiography, and right and left ventricular pressure(More)
Neurofibromas of the larynx are extremely rare. They occur in association with neurofibromatosis less frequently than solitary neurofibromas. However, most laryngeal tumors in neurofibromatosis are neurofibromas. This disorder has 2 histological subtypes, which require different surgical approaches because of their biological differences. Few(More)
In patients with ischemic cardiomyopathy, revascularization of hibernating or stunned myocardium can result in improvement in global systolic function and prognosis. The recognition that revascularization can alter the course of ischemic cardiomyopathy has fueled the development of noninvasive methods for detection of viable myocardium. Dobutamine(More)
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