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Introduction Meyer-Rokitanski-Küster-Hauser syndrome, also reffered to as Müllerian aplasia, is a congenital disorder characterized by agenesis or hypoplasia of the uterus and upper part of the vagina in female with normal female karyotype (46,XX). In these women the external genitalia have a normal structure and their internal endocrine organs function properly. Most often, this syndrome is diagnosed in adolescence due to primary amenorrhea. Material and methods This review was based on available data collected in the PubMed data base and Google Scholar data and published between 2011 and 2021. The research was done by looking through keywords such as:“Mayer-Rokitansky-Küster-Hauser syndrome”, “MRKH syndrome”, “uterine agenesis” and “primary amenorrhea”, "vaginal agenesis", "uterus transplantation". Conclusions Recent scientific achievements have shown how much can be changed in the lives of patients with MRKH syndrome. It should be remembered that this is a disease that needs treatment by specialists in many fields. Treatment should include not only medical side of problem but also should take care of psychical side of patients life. During the last 10 years several advances have been made in MRKH syndrome research, especially within the fields of genetics, non-surgical management, and uterus transplantation as the first available fertility treatment.

Introduction The prostate gland is a small reproductive organ found in men. It consists of 3 zones: central, peripheral and transitional. The most common localization of prostate cancer in elderly men is the peripheral zone. Prostate cancer is one of the most common cancers in men. It ranks second in terms of incidence and fifth in terms of lethality among men worldwide. There are many factors that contribute to the development of prostate cancer in men. We can divide them into two large groups: genetic factors and environmental factors. These include, among others: older age, ethnicity / race, positive family history, genetic predisposition, type of diet, obesity, smoking or higher height. Each of the above factors has a different impact on the incidence of prostate cancer, which has been demonstrated on the basis of the results of numerous studies and will be summarized in the following review. Materiał and Methods This review was based on available data collected in the PubMed database, using the following keywords: „Prostate Cancer”, „Epidemiology of Prostate Cancer” and „Risk factors of Prostate Cancer”. Conclusions Prostate cancer is a serious problem affecting men all over the world. Every year we observe an increasing incidence of this disease, which makes prostate cancer one of the most common cancers affecting men. There are many factors affecting the occurrence of this cancer, but it is extremely difficult to study their exact impact on the development of prostate cancer. Therefore, new initiatives and research should be undertaken to broadly understand the etiology and risk factors of this cancer.

HPV infection is one of the most common viral infection of the female and male reproductive tract worldwide. Most of the human papillomavirus infections cause no symptoms and go away on their own. Some infections develop into persistent infection, which can lead to the development of cancer of the cervix, anogenital, oral cavity and pharynx.In this paper, we focused on cervical cancer, which is the second most common cancer in the world among women. More than 300,000 women died from this cancer in 2020. The invention and introduction of prophylactic HPV vaccines has played a significant role in reducing the number of viral infections, thus reducing the incidence of benign and malignant diseases caused by them and the mortality resulting from them. There are three vaccines on the pharmaceutical marketfor prevention of specific HPV infection. They are: a bivalent vaccine Cervarix, a tetravalent vaccine Gardasil and a nonavalent vaccine Gardasil 9. These vaccines are safe because they do not contain an attenuated virus particle, but their production is based on a virus-like particle of the main capsid protein L1-VLP. Gardasil 9 targets nine HPV types andcomparing to the other two vaccines it is the most effective at preventing the development of preinvasive cervical cancer. WHO recommends administering them to girls aged 9 to 14 in a two-dose schedule or from 15 years of age in a three-dose schedule. The side effects of the above-mentioned vaccines were mostly associated with a cutaneous reactions around the site of injection (pain, redness, swelling), and some people also experienced systemic symptoms such as a headache, a fever, vomiting, a dizziness, muscle pain and a diarrhea. The following article is an analysis of the current knowledge on the effectiveness and safety of prophylactic HPV vaccines based on publications available in the Pubmed and Google Scholar databases.

Introduction and purpose: Ogilvie's syndrome is an acute pseudo-obstruction of the colon characterized by massive dilatation of the large intestine without mechanical obstruction. The aim of this publication is to review publications and case reports concerning this disease and therapeutic management. A brief description of the state of knowledge: Ogilvie's syndrome was first described in 1948. The assumed pathogenesis of the disease is increased activity of the sympathetic nervous system and/or decreased activity of the parasympathetic nervous system. Most often it concerns hospitalized patients, in a serious general condition, after major injuries, operations, and pregnant or postpartum women. The importance of viral infections in the pathogenesis, including COVID-19 in recent years, is also indicated. It is important to eliminate possible organic causes of obstruction and to assess the diameter of the dilated bowel. Therapeutic options include conservative treatment, pharmacological treatment with acetylcholinesterase inhibitors, endoscopic bowel decompression and surgical treatment. Lack of medical intervention can lead to ischemia and intestinal perforation. Conclusion: Ogilvie's syndrome is a rare condition in which complications can be minimized with proper assessment, care and treatment. The progress of pharmacological and endoscopic therapy allows to reduce the need for surgical intervention, and thus - the patient's unnecessary burden.

Proper and healthy sleep is an element of everyday life necessary for the proper functioning of the body. Unfortunately, a large part of humanity cannot experience proper rest, due to sleep disorders such as insomnia, restless leg syndrome, obturative sleep apnea and other diseases that complicate sleep. There are not many ways to treat sleep disorders and their use is often associated with difficulties in everyday life and side effects of the used methods. Work on this subject is still ongoing, with time there are more and more new possibilities and different, unconventional applications of substances discovered long ago. Plants containing cannabinoids have been known to mankind since ancient times. And this cannabinoids can have huge importance and contribute to the treatment and prevention of sleep disorders. Studies on the impact of these substances on sleep and sleep disorders are limited, which leads to the fact that in many countries their use is still prohibited. And therefore undertaking research on this topic requires a lot of effort. However, the data that has been collected so far on the subject of the influence of cannabinoids on sleep disorders carry optimistic information. Cannabinoids in the correct doses and ratio as to the content of individual subgroups can bring relief to people suffering from lack of proper sleep. However, the negative effects of these substances should not be forgotten. Chronic use, too high doses or improper application can have a negative impact on the quality of sleep.

INTRODUCTION: Retinoids are a broad group of natural and synthetic compounds derived from vitamin A. Many studies have shown strong anti-aging effects, and they have also been shown to have therapeutic effects on acne vulgaris or psoriasis. Vitamin A and its derivatives make the skin more elastic and smooth, cause a decrease in fine wrinkles and cause an increase in fibroblast activity and collagen fiber production. Retinoid compounds regulate biological processes of the skin such as immune processes, angiogenesis, proliferation and differentiation. THE AIM OF STUDY: The purpose of this paper is to discuss the effects of retinoids and the use of the substances in skin diseases. MATERIALS AND METHOD: Literature review of PubMed, Google Scholar and Science Direct and evaluation of available randomized controlled trials using retinoids in terms of treatment effectiveness in terms of skin quality, anti-aging benefits use in dermatology. CONCLUSIONS: Vitamin A and its derivatives plays an important role in anty-aging prevention and treatment of skin diseases, such as acne vulgaris, psoriasis and photo-aging. There are still many ongoing studies and not known opportunities of its use to treat other skin diseases that we should be aware of and keep track of new papers that indicate such.