[Controlled ENG examinations of patients with lack of induced unidirectional Ny].

19 patients have been checked by the ENG control examination who had demonstrated during first examination lack of evoked Ny in one direction. The control examinations have been conducted from a few months to 4 years after the first ENG examination. Obtained results showed out that lack of evoked Ny in one direction can be persist or can be improved by going into symmetrical directional preponderance, after that in some cases coming to restitution and integrum.

[Sudden deafness in a case of tumor of the cerebellar hemisphere].

23 years old woman with sudden deafness and ipsilateral lack of rapid phase caloric nystagmus was described. The necessity of multi-discipline examination was stressed.

[Evaluation of hearing in patients with diabetes].

Hearing in 60 diabetics aged 20-70 years were studied by means of tonal, verbal and B'ekèsy audiometry, SISI tests, Fowler tests, stapedius reflex and tone decay tests. The material was grouped according to the diabetes type, chronicity of disease, age, sex and presence of retino- and polyneuropathy. The results proved that diabetes may cause the progressive form of hearing loss which depend of chronicity of disease and age of patients.