患者男,16岁。鼻塞、流脓涕5～6年。1987年曾在外院做鼻息肉手术,术后一个月鼻腔及咽部堵塞逐渐加重,说话鼻音,吐词不清,张口呼吸,吞咽有阻碍感,于1988年9月14日入院。体检:左鼻中道有息肉,鼻中隔后端偏向右侧,软腭部膨隆,咽部见一表面光滑,质较坚韧的粉红色赘生物,充满鼻咽、口咽腔。赘生物内侧表面有坏死 Male patient, 16 years old. Nasal congestion, purulent tears 5 to 6 years. In 1987, outside the hospital to do nasal polyps surgery, a month after the nasal and pharyngeal obstruction gradually aggravating, speaking nasal, spit words, open mouth breathing, swallowing a sense of obstruction, on September 14, 1988 admission. Physical examination: the left nasal polyps, the posterior end of the nasal septum deviated to the right, bulging soft palate, see a smooth pharyngeal surface, the quality of more tough pink vegetation, full of the nasopharynx, oropharyngeal cavity. Necrosis of the medial surface