Acute mastoiditis complicated by bacterial meningitis.
D000328:Adult; D006801:Humans; D008297:Male; D008417:Mastoiditis / Q000150:complications*; D008586:Meningitis, Pneumococcal / Q000209:etiology*; D010033:Otitis Media / Q000150:complications*; D010035:Otitis Media, Suppurative / Q000150:complications*