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The formations of the adrenal glands are often detected accidentally during instrumental methods of examination of the abdominal cavity and retroperitoneal space, performed for some other reasons. Over the past 2 decades, the frequency of detection of adrenal gland formations has increased 10-fold, and most of them are diagnosed in old age. The tactics of observation and treatment depend both on hormonal activity and on the malignant potential of the detected formation. Up to 58% of patients with adrenal incidentalomas have a malignant nature, with a higher risk in young patients, with a size of more than 4 cm, as well as with a history of other malignant neoplasms. The frequency of detection of the classical clinical and laboratory picture of hypercorticism, hyperaldosteronism or catecholamine-producing tumor is less than 15%, however, the phenomenon of functionally autonomous cortisol production according to the results of studies conducted in the last few years is much more common up to 3050% of patients. Despite the absence of vivid clinical symptoms in some cases, autonomous cortisol secretion is associated with increased cardiovascular morbidity and metabolic disorders, therefore, all patients with adrenal incidentalomas need to exclude this condition. This article presents clinical cases of patients with adrenal gland formations, describes in detail the examination algorithm and the choice of treatment tactics, taking into account the results of studies conducted since the release of the latest clinical recommendations for the management of patients with adrenal gland incidentalomas in 2016.

In this article, we discuss difficulties in parathyroid localization modalities in diagnosis of primary hyperparathyroidism. Most often, superior parathyroid glands are located on the posteromedial surface of the right and left lobes of the thyroid gland, however, they also could be found at the carotid bifurcation, behind pharynx and esophagus, as well as inside thyroid gland. Location of the inferior parathyroid glands is more variable: on the side or back surface, or below the lower pole of the thyroid gland, as well as in thymus, posterior or anterior mediastinum, or inside thyroid. Localization modalities of primary hyperparathyroidism are based on neck ultrasonography, scintigraphy with sestamibi, computed tomography of neck and mediastinum. In cases with combination of multinodal goitre and an intrathyroid location of the parathyroid gland, there might be additional difficulties in verification of various patterns (thyroid nodules or parathyroid glands). In this article, we present two clinical cases of intrathyroid location of parathyroid glands. The algorithm of parathyroid adenoma localization is shown. Determination of PTH level in washing liquid after fine-needle aspiration biopsy from necessary punctures of the nodule formations, which can be either intrathyroid parathyroid glands or thyroid nodules, can also help to avoid diagnostic mistakes.

Hypogonadism in men, defined as a reduction in serum testosterone in combination with characteristic symptoms and/or signs (described in detail later), is common in diabetes mellitus (DM). These recommendations do not cover the whole range of pathologies that cause the development of testosterone deficiency (hypogonadism), but focus on its clinical variants and characteristic for men with diabetes. The recommendations provide data on the prevalence of hypogonadism in diabetes, its etiology. In the section "diagnostics" the features of anamnesis of patients with hypogonadism with diabetes, the necessary methods of physical and laboratory examination are presented in detail. The risk factors and clinical consequences of hypogonadism are separately examined. In the section "choice of treatment methods", there are possible treatment options for such patients using various androgenic therapies, taking into account the needs of the man, maintaining his reproductive function and risk factors. Particular attention is paid to indications, contraindications and risk factors for androgen therapy in men with diabetes, especially in old age. With this in mind, principles for monitoring the treatment are developed. Based on a large number of studies, favorable effects of androgen replacement therapy in men with hypogonadism and diabetes have been demonstrated.