Removal of a choanal polyp with the wire loop of an aural snare after microwave coagulation
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概要
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A 59-year-old man with chronic sinusitis of many years' duration complained of obstruction of the right nostril, particularly on expiration. Rhinoscopic examination revealed a globular tumor, measuring about 1 cm in diameter, behind the right middle meatus. Because the polyp could not be encircled by the loop of a nasal snare, a double-needle electrode (width, 1 mm) was inserted into the polyp three times. Each time a microwave current of 40 watts was applied for 3 seconds to cause coagulation. The polyp became smaller and could be removed with the wire loop (thickness, 0.3 mm) of an aural snare. We consider microwave coagulation therapy useful in the management of selected cases of choanal polyps.
- 特定非営利活動法人 Microwave Surgery研究会の論文