title: An unusual complication of maxillary sinusitis.
mesh_terms: D000038:Abscess / Q000209:etiology*; D005260:Female; D006801:Humans; D008443:Maxillary Sinus; D008875:Middle Aged; D010608:Pharyngeal Diseases / Q000209:etiology*; D012852:Sinusitis / Q000150:complications*; D013290:Streptococcal Infections / Q000209:etiology*