在1979～1990年期间未加选择的78例单纯性鼻息肉经鼻腔施行鼻息肉切除术和上颌窦冲洗术。70例有记录,年龄14～78岁,平均42.5岁,男女比例为2.5∶1。经下鼻道冲洗,并在息肉切除术时进行,冲洗物送显微镜检查和需氧菌培养。结果冲洗液为粘脓或脓的有34例(48%),48例送细菌培养仅有8例有细菌生长(28%),术前摄鼻窦片的48例有43例(91%) In the period from 1979 to 1990, 78 cases of simple nasal polyps without nasal polyps were treated by nasal polypectomy and maxillary sinus irrigation. 70 cases were recorded, aged 14 to 78 years, mean 42.5 years old, male to female ratio of 2.5: 1. Rinse through the lower nasal passages, and during polypectomy, rinse delivery microscopy and aerobic culture. Results There were 34 cases (48%) in which the washing solution was pus or pus. Only 48 of the 48 cases had bacterial growth (28%