[Olfactory impairment in patients of the older age group with COVID-19 in the acute period and in the period of convalescence.].

Complete or partial loss of sense of smell significantly reduces the quality of life and in some cases is life-threatening. A new coronavirus infection in some cases leads to hypo- or anosmia. The defeat of the olfactory epithelium, swelling of the mucous membrane, the presence of discharge in the nasal cavity complicate the effect of odorants on the neuroepithelium.

[Functional endoscopic sinus surgery in a patient with cystic fibrosis after lung transplantation].

Cystic fibrosis is genetic multisystem disorder with a predominant lesion of the respiratory tract. The duration and quality of life of these patients depends on the state of respiratory function. Progressive lung dysfunction is still the leading cause of mortality patients with cystic fibrosis.

[Tonsillitis and tonsillogenic conditions].

The objective of the present study was to analyze and summarize the literature publications concerning tonsillitis and related (tonsillogenic) pathological conditions. The retrospective analysis of these materials made it possible to collect and summarize information about the influence of palatine tonsillar pathology (chronic tonsillitis) on the function of various organs and their systems. It has been shown that pathogenesis of a great variety of disease is underlain by pathology of palatine tonsils.