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Odoi等(1971)报导给猫切除翼状钩(pterygoidhamulus)后75％继发中耳渗液。作者基于Odoi等实验结果,初次采用腭帆张肌移位的方法治疗咽鼓管开放症,效果良好,文中报导3例,外加7例,随诊6个月,除1例外全部病例症状减轻或消失。手术方法:局麻,摸清软硬腭交界及翼状钩,纵形切开翼状钩表面之软腭。在此部位有三组肌肉,腭帆提肌最靠内侧,它与腭帆张肌之间有管咽筋膜(靠上)和咽上缩肌(靠下)分隔;
Odoi et al. (1971) reported 75% of secondary middle ear effusion to cats after removal of the pterygoidhamulus. Based on the experimental results of Odoi et al, the authors first performed the treatment of eustachian tube openness with the method of transposition of the palatal and extensor muscle. There were 3 cases reported in this paper, 7 cases were followed up for 6 months, and all the cases except 1 were alleviated or disappear. Surgical methods: local anesthesia, find out the junction of soft and hard palate and wing-like hook, vertical incision of the wing surface of the soft palate. In this site there are three groups of muscles, the levator mucosa of the palatine sagittal medial, and it is between the palatal and pharyngeal fascia fascia (upper) and pharyngeal constrictor (lower) separation;