我們在1959年3月24日至4月12日期间,以1％美蓝溶液(Methylene blue)0.5毫升注入上頜竇內,观察它自上頜竇內排出的时間及对上颌竇內化膿性炎症的影响。共进行了20例24只上頜竇,結果是:炎症较重的,美藍排出較慢,轻的則快,美藍对炎症无治疗作用,但有止血作用。研究的病例系附屬一院耳鼻喉科門診慢性上颌竇炎或可疑有慢性上頜竇炎而施行上颌竇穿刺冲洗术者。上颌竇穿刺如常規,以的卡因(Decain)作下鼻道麻醉后,用16号穿刺針刺 We were injected into the maxillary sinus with 0.5 ml of 1% Methylene blue from March 24 to April 12, 1959 to observe the time of its discharge from the maxillary sinus and the suppurative inflammation of maxillary sinus Impact. A total of 20 cases of 24 maxillary sinus, the result is: severe inflammation, methylene blue discharge slower, light is faster, methylene blue has no therapeutic effect on inflammation, but with hemostatic effect. The cases studied were affiliated to a hospital otolaryngology clinic of patients with chronic maxillary sinusitis or suspicious chronic maxillary sinusitis who underwent maxillary sinus puncture flushing. Maxillary sinus puncture such as conventional, with the caffeine (Decain) for the inferior nasal anesthesia, with 16 puncture needle