title: Why and how to drain a sinus.
abstract: The main reason for draining a sinus is removal of pus in subacute or chronic maxillary sinusitis. A sinus wash is also useful for diagnosis. I recommend the anterior maxillary sinus puncture because it is the easiest technique to perform and master.
mesh_terms: D004322:Drainage / Q000379:methods*; D006801:Humans; D008443:Maxillary Sinus / Q000601:surgery; D012852:Sinusitis / Q000601:surgery*; D013492:Suppuration