نتایج جستجو برای: skin cancer

تعداد نتایج: 1082744  

Fatima Rashid Sheykhahmad Mehdi Ramezani, Navid Razmjooy,

Skin cancer has been the most usual and illustrates 50% of all new cancers detected each year. If they detected at an early stage, treatment can become simple and economically. Accurate skin lesion segmentation is important in automated early skin cancer detection and diagnosis systems. The aim of this study is to provide an effective approach to detect the skin lesion border on a purposed imag...

Journal: :Clinical Medical Reviews and Case Reports 2022

Skin cancer is the most common form of in United States America and Australia. Basal cell carcinoma (BCC), prominent skin cancer, curable, but can be disfiguring costly to treat

ژورنال: پوست و زیبایی 2018
غلامی بروجنی, فتح‌الله, میران‌زاده, لیلا,

Background and Aim: Skin cancer is one of the most common cancers in the world, and in many parts of Iran is ranked first to second in number. However, its epidemiology has not been reviewed and studies are limited in Kashan city. This study was conducted to determine the frequency of skin cancers in this city. Methods: Data were collected using recorded data in Pathology Laboratory of Kasha...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند - دانشکده علوم 1391

in this thesis, we consider a mathematical model of cancer with completely unknown parameters. we study the stability of critical points which are biologically admissible. then we consider a control on the system and introduce situations at which solutions are attracted to critical points and so the cancer disease has auto healing. the lyapunov stability method is used for estimating the un...

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: Marjolin's ulcer is a rare, aggressive condition that arises on chronic skin lesions and diseases. In this article, we will report 83 cases of this disease. Methods: Retrospectively, we retrieved 83 records of patients with cancer arising from chronic skin conditions. Data concerning demography, type of original skin insult, time interval between original lesion and cancer, ...

آموزگار هاشمی, فرناز, حداد, پیمان, سبزاری, احمد رضا, شهابی, زهره, کلاغچی, بی‌تا,

Background: The high number of breast cancer patients who receive radiation therapy after surgery has caused many to think about a shorter period of radiotherapy, which can significantly reduce the radiotherapy machine time, labor hours, and fewer patient visits. This study was designed to evaluate the acute skin effects and cosmetic outcomes of short course radiotherapy in early-stage breast c...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده زیست شناسی 1391

بررسی تآثیر کورکومین بر بیان آکواپورین5 در سلول های سرطانی روده بزرگ انسان(ht-29) سرطان روده بزرگ جزو بیماری های خطرناک بوده و از نظر شیوع سومین سرطان شایع و دومین علت مرگ ومیر ناشی از سرطان در جهان محسوب می شود. خطرابتلا به این سرطان تحت تاثیر دو عامل محیطی وفاکتورهای ژنتیکی می باشد. آکواپورین ها، پروتئین های کانال آبی بوده که نقش مهمی را در انتقال آب در بافتهای اندوتلیالی و اپی تلیالی بر عهد...

Background and Objectives: Skin cancer is one of the most common cancers, and the best way to prevent it is to protect yourself from the sun. The aim of this study was to determine the factors determining the protective behavior of skin cancer based on the extended parallel process model in medical students of Shahrekord Branch of Azad University in 2021. Materials and Methods: This descriptiv...

Journal: :iranian journal of medical sciences 0
reza ghaderi department of dermatology, birjand university of medical sciences, birjand, iran samineh sehatbakhsh the sinus and endoscopic surgery research center, mashhad university of medical sciences, mashhad, mashhad, iran mehdi bakhshaee the sinus and endoscopic surgery research center, mashhad university of medical sciences, mashhad, mashhad, iran gholam reza sharifzadeh department of epidemiology, birjand university of medical sciences, birjand, iran

melatonin inhibits tumor genesis in a variety of in vivo and in vitro experimental models of neoplasia. in industrialized societies, light at night, by suppressing melatonin production, poses a new risk for the development of a variety of cancers such as breast cancer. this effect on skin has been previously studied only in animals and not in humans. our goal was to examine the relationship bet...

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