title: The changing pattern of mastoid abscess.
mesh_terms: D000038:Abscess / Q000209:etiology / Q000473:pathology / Q000601:surgery*; D000293:Adolescent; D001847:Bone Diseases / Q000209:etiology / Q000473:pathology / Q000601:surgery*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D008416:Mastoid / Q000601:surgery*; D010035:Otitis Media, Suppurative / Q000150:complications