The number of operations for cholesteatoma, together with the number of cases undergoing insertion of ventilation tubes in the Tayside region of Scotland between 1966 and 1986 have been studied. During this period there has been a sixty fold increase in the use of ventilation tubes, but the incidence of cholesteatoma surgery has only varied between 0.94 and 1.88 operations per 10,000 of population per year. The mean annual incidence of cholesteatoma during this period was 1.32 cases per 10,000 of population. The results indicate that there has been neither a rise nor a fall in the incidence of cholesteatoma in Tayside despite a considerable increase in the use of ventilation tubes.
A prospective trial of hearing aid provision was undertaken to define factors which might be used to allow hearing aids to be fitted optimally. Patients referred for the provision of a hearing aid were studied prospectively at each of five visits when they were questioned by means of a proforma. Fifty-six patients completed the trial and gave adequate responses for analysis. No audiometric or symptomatic criteria were found to be of use in predicting the final choice of hearing aid combination. It may be that initial sequential monaural aiding leads to a higher uptake of binaural aids in the long term. Patients valued multiple visits to the clinic and sequential trials of monaural aiding, the majority felt that binaural aids should be tried.
This case demonstrates actinomycosis in a previously unreported site, and outlines some of the difficulties encountered in diagnosing and treating this rare but unimportant condition.
We report a case of nasopharyngeal squamous carcinoma complicated by diabetes insipidus and hypercalcaemia. As there was no evidence of bony metastases we conclude that this latter finding was due to a humoral factor produced by the tumour. The management of these problems is discussed.
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