[Clinical guidelines for male infertility: controversial issues and the need to reach interdisciplinary consensus].

A review of controversial issues about the terminology on male infertility and reproductive function, which is currently used, as well as proposals for updating clinical guidelines for the diagnosis and treatment of male infertility and men in infertile couples are presented in the article. An algorithm is described, the elements of which ensure referral of patients based on the possibility and timing of restoration of reproductive function, taking into account the reproductive health of a woman, as well as increasing the likelihood of successful treatment aimed at the birth of a healthy child.

[Testicular torsion in polyorchism].

A clinical case of a 21-year-old patient with polyorchism and torsion of the right testicle described. Polyorchism revealed in 2016. According to urgent indications, the operation performed on the right orchipexy.

Development and study of nutrient media for determining the biological properties of Listeria.

The commercial nutrient media for investigation of the biologic properties of L. monocytogenes is developed. The efficiency of the use of developed media for determination of motility and lecithinase activity of Listeria in the establishment of the isolated culture to the pathogenic species is shown.

[Reflections on some issues of the combined pathology of the upper and lower respiratory tract].

The purpose of this work is to generalize and critically evaluate current literature data on the state of problem of the relationship between acute and chronic diseases of upper and lower respiratory tract. Modern ideas about the mechanisms of relationship of pathological processes of ENT organs with bronchopulmonary pathology are considered. A number of organizational issues are discussed in order to optimize the medical diagnostic process in the pathology of respiratory system.