[Sarcoidosis of parotid glands. A case report].

Despite much progress made in terms of understanding sarcoidosis, it still remains an unknown disease entity. The authors present the basic diagnostic measures clinical picture as well as treatment of patients with sarcoidosis. The study presents a case of a 38-year-old man with sarcoidosis of parotid glands treated with encortone which was followed by remission of the disease.

[Hearing evaluation in patients suffering from hypercholesterolemia].

The negative influence of hypercholesterolemia on the blood vessels condition and following degeneration lesions of the organs is well known. The aim of our study was to estimate the lipid balance disorders influence on the small blood vessels of the brain and inner ear in the patients with hypercholesterolemia and hypertriglyceridemia on the base of the audiometric, ABR and TEOAE evaluations. In our study we observed no statistical significant differences between the mean auditory thresholds in the study and control groups as well as statistical negative correlation between cholesterol serum level and amplitudes of TEOAE.

[Malignant transformation of giant jugular chemodectoma].

Chemodectoma is a very rare neoplasm classified on the border of the benign and malignant tumours. A case of a large paraganglioma was presented. The method of choice in treatment these tumors should consist of surgery and radiation therapy postoperatively.

[Surgical treatment of acquired external auditory canal atresia].

Acquired atresia of the external auditory canal is a relatively rare disease, that can be the result of the recurrent external otitis, chronic media otitis, ear trauma, neoplasms or iatrogenic complications. The surgical treatment results after operation in the 7 patients with acquired external auditory canal atresia were presented. The mean age of the patients was 34.