[Correlation between mucosa inflammation and abnormal drainaging state of maxillary sinus after endoscopic sinus surgery].

OBJECTIVE This study is aimed to observe the natural draining state of maxillary sinus, to search for the key draining location (KDL) in the natural ostium, to investigate the relation between maxillary sinus draining and sinus inflammation, and to guide the treatment of maxillary sinus opening in endoscopic sinus surgery (ESS). METHODS Methylene blue was… CONTINUE READING