title: Subdural empyema management of the primary source.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D013354:Empyema, Subdural / Q000209:etiology / Q000601:surgery*; D006801:Humans; D007223:Infant; D008875:Middle Aged; D012852:Sinusitis / Q000150:complications / Q000601:surgery*