نتایج جستجو برای: skin cancer
تعداد نتایج: 1082744 فیلتر نتایج به سال:
introduction: ultraviolet (uv) radiation affects human organs such as skin, eyes and immune system, as well as animals and plants. the main natural source of uv radiation is the sun. to study the effects of solar uv radiation there is a need to quantify variations of solar energy received on the earth surface at different intervals. materials and methods: to measure uv radiation a broadband fib...
background: skin cancer is a serious public health problem in the world. its prevalence in many countries has been increased in recent years. this study aimed to assess the effects of a theory-based educational intervention to promote skin cancer preventive behaviors (scpbs) among rural farmers in chalderan county, iran. methods: this was a quasi-randomized controlled field trial study conduc...
Background and Aim: Environmental and climatic conditions in different geographical areas provide the basis for certain diseases. Skin cancer is one of the most common types of cancer, with a different incidence rate in geographical areas. The aim of this study is to determine the effects of climate and environmental factors on skin cancer and to map the geographical distribution of skin cancer...
Background: Skin cancer is the most common type of cancer in the world. Pattern of skin cancer is different in various geographical regions, depending on the genetic and environmental factors. Objective: This study aims to investigate the incidence rate of skin cancer and its trends in Guilan province of Iran during 2010-2014. Materials and Methods: In this descriptive cross-sectional study,...
Background and Aim: Skin cancer is the most common cancer in the Iran. The first step in planning for the prevention and treatment of cancers is collecting information about their incidence and trends. The present study aimed to investigate the epidemiology of skin cancer and its trend in southern Iran. Methods: This retrospective cross-sectional study was conducted by analyzing the existing...
background: nonmelanoma skin cancer rates are increasing worldwide. mohs micrographic surgery and surgical excision (se) are the two treatment methods for this type of cancer. the current paper aims at determining and comparing the cost-effectiveness of se and mohs micrographic surgery. materials and methods: the current study has a retrospective cohort design. a number of 630 patients sufferi...
Background and aim: Skin cancer is the most common human cancer. Ultraviolet radiation is now recognized as the most important risk factor for skin cancer development. Light skin colored individuals that spend more time outdoors in day are more susceptible to disease. In this study skin cancer situation in Yazd (located in a hot, dry and desert area) was reviewed.Materi...
introduction accurate estimation of the skin-absorbed dose in external radiation therapy is essential to estimating the probability of secondary carcinogenesis induction materials and methods electron contamination in prostate radiotherapy was investigated using the monte carlo (mc) code calculation. in addition, field size dependence of the skin dose was assessed. excess cancer risk induced by...
Background : Skin cancers including non-melanoma (NMSC) and melanoma are the most frequent skin cancers in the world. Skin cancer is the most common type of skin cancer in Iran too. The purpose of this study was to assess the knowledge, attitudes, and performance of Yazd people concerning skin cancer and sun protection. Methods : A questionnaire was used to 360 participants aged 18- 55 year...
ba c k g r o u nd: skin metastases occur in 1-5% of solid tumors and are rarely the presenting sign of internal malignancies. certain features in skin lesions raise suspicion of metastasis from solid tumors. c a s e presentation: in this article a 61-year-old woman is presented with erythematous skin nodules in upper abdomen and chest. histopathological evaluation of lesions sug...
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