鼻咽頭ポリープ切除後に巨大食道症が改善した8歳齢の猫の1例

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書誌事項

タイトル別名
  • Resolution of Megaesophagus after Excision of a Nasopharyngeal Polyp in an 8-month-old Cat
公開日
2015
DOI
  • 10.2327/jjvas.46.77
公開者
一般社団法人 日本獣医麻酔外科学会

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説明

An 8-month-old female cat presented with a 1-month history of open-mouth breathing and intermittent regurgitation. Contrast radiography revealed megaesophagus (ME) with a large pharyngeal mass. The mass was removed by gentle traction under general anesthesia, after which the ME resolved within 9 days. The mass was diagnosed as a nasopharyngeal polyp based on clinical and histopathological findings. A similar polyp recurred 50 days postoperatively, and was also removed by traction followed by four treatments with methylprednisolone acetate. The cat remained asymptomatic for 9 months after the second surgery. This report demonstrates that ME resulting from a nasopharyngeal polyp may resolve spontaneously after polyp removal, but post-surgical glucocorticoid therapy may also be needed to decrease the chance of recurrence.

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