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25例成人急性和慢性急性发作的上颌窦炎病人经内窥镜检查发现中鼻道上颌窦开口有溢脓，并经X光片除外筛窦及额窦疾患者作为细菌取材对象。以上病人在7天内均未用过抗生素。取材方法在2畅盘托卡因和1吸麻黄素鼻腔喷雾后，以广，外径4mm的硬性鼻内窥镜寻见上颌窦开口。然后用铝杆
Twenty-five adult patients with acute and chronic acute maxillary sinusitis were examined by endoscopy and found to have suppurative pus in the opening of the maxillary sinus. The patient was excluded from the ethmoid and frontal sinus diseases by X-ray. None of the above patients used antibiotics within 7 days. Materials and methods In 2 after 2 weeks of topocaine and 1 absorption ephedrine nasal spray to wide, diameter 4mm hard nasal endoscopic sinus see the opening. Then use aluminum pole