Twenty-three cases of tuberculous mastoiditis are presented, nine of which were complicated by facial palsy. Six presented with acute mastoiditis, and two had meningitis. Surgery was required in 16 patients; in four cases the diagnosis was made by culture and in another four by biopsy of the granulations or polyp of the external canal. The response to antituberculous treatment was satisfactory in 22 cases. One patient, whose case was complicated by meningitis, died.

The area of the medial wall is related to ethnic/gender groups.

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Forty-five cases of lateral sinus thrombosis were recorded in King Edward VIII Hospital from 1978 to 1984. Eighty-two per cent of the patients were under the age of 15 years. Associated complications recorded were: 9 patients with meningitis, 4 with posterior-fossa abscess, 1 patient suffering from posterior fossa empyema; 4 presented with facial palsy and 1 with tuberculous mastoiditis. Four deaths were recorded. Findings at mastoidectomy showed a prevalence of infective granulations (60 per cent) over cholesteatoma (40 per cent) as a cause of the extension of infection. The surgical protocol for the management of lateral sinus thrombosis was mastoidectomy, needling the sinus and removal of the thrombus, if necessary. Medical treatment consisted of Ampicillin and Metronidozol.

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