نتایج جستجو برای: breast cancer detection

تعداد نتایج: 1507219  

2010

Breast cancer is a major public health problem worldwide. Important advances have improved survival, but early detection remains the main clinical challenge in reducing mortality. Currently, mammography is the ‘gold standard’ tool for breast cancer screening. However, the search for an early breast cancer detection method is the subject of extensive research. Although infrared imaging or breast...

Journal: :medical journal of islamic republic of iran 0
b geramizadeh from the department of pathology, shiraz university of medical sciences, shiraz, i.r. iran. a razavi

breast cancer is one of the most common malignancies in the world. the most important prognostic factor in this cancer is the stage of the tumor. detection of lymph nodes with or without malignancy is essential for determining the stage of the tumor and setting a therapeutic plan. there are different methods for isolating lymph nodes in surgical specimens of breast cancer in the pathology depar...

A. Chaparian, M.A. Oghabian, V. Changizi,

Background: Recently, it has been indicated that X-ray coherent scatter from biological tissues can be used to access signature of tissue. Some scientists are interested in studying this effect to get early detection of breast cancer. Since experimental methods for optimization are time consuming and expensive, some scientists suggest using simulation. Monte Carlo (MC) codes are the best...

Journal: :iranian journal of cancer prevention 0
mostafa langarizadeh faculty of medicine and health science, university putra malaysia, malaysia r mahmud faculty of medicine and health science, university putra malaysia, malaysia ar ramli faculty of engineering, university putra malaysia, malaysia s napis information and communication development center, university putra malaysia, malaysia mr beikzadeh malaysian institute of microelectronic systems, malaysia wez wan abdul rahman faculty of mathematics and quantitative research, university technology mara, malaysia

background: breast cancer is one of the most important diseases in females. malaysian women have not excluded. according to the malaysian oncology society [1], about 4% of women (who are 40 years old and above) have involved by breast cancer. masses and microcalcifications are two important signs for breast cancer diagnosis on mammography. according to our estimation, radiologists could diagnos...

Journal: :iranian journal of public health 0
elmira ebrahimi tayebeh sabokbar sharareh eskandarieh vahideh peyghambari reza shirkoohi

background: exposure to endogenous hormones such as estrogen is known as a lifetime breast cancer (bc) risk factor. polymorphisms in genes that are involved in the steroidogenic process, such as cytochrome p450c17alpha ( cyp17) , affect individuals’ susceptibility to bc. in iran, the highest incident of bc is among young women. this study aimed to find prevalence of single nucleotide polymorphi...

Journal: :iranian journal of pathology 0
shahriar dabiri pathology and stem cell research center,pathology department, afzalipour medical school, kerman university of medical science, kerman, iran mohammadmehdi moeini aghtaei pathology and stem cell research center,pathology department, afzalipour medical school, kerman university of medical science, kerman, iran jahanbano shahryari pathology and stem cell research center,pathology department, afzalipour medical school, kerman university of medical science, kerman, iran manzume shamis meymandi dept. of pharmacology, school of medicine, kerman university of medical sciences, kerman, iran sahar amirpour-rostami pharmaceutics research center, institute of neuropharmacology, kerman university of medical sciences, kerman, iran reza foutohi-ardekani molecular and medicine research center, arak university of medical sciences, arak, iran

background: the breast cancer is the most prevalent cancer among women, on the other hand absence of myoepithelial cells play a pivotal role in pathogenesis of this cancer. thus we aimed to investigate the possible abilities of the molecular assay technique to find a relationship between mammary serine protease inhibitor (maspin) gene expression possibly secreted by myoepithelial cells, grade o...

Background and Objective: Breast cancer is the most common cancer among females. Early detection by screening programs is a useful approach to controlling the disease. The purpose of this study was to assess the health beliefs in breast self-examination, mammography and clinical breast examination among females referring to Bonab health centers. Materials and Methods: It was a cross- sec...

Journal: :iranian journal of nuclear medicine 0
leili zarifmahmoudi nuclear medicine research center, mashhad university of medical sciences, mashhad, iran hossein shabahang endoscopic & minimally invasive research center, mashhad university of medical sciences, mashhad, iran farzaneh shariati nuclear medicine research center, mashhad university of medical sciences, mashhad, iran vahid reza dabbagh kakhki nuclear medicine research center, mashhad university of medical sciences, mashhad, iran mostafa mehrabibahar surgical oncology research center, mashhad university of medical sciences, mashhad, iran roya sadat alavifard nuclear medicine research center, mashhad university of medical sciences, mashhad, iran ali jangjoo

introduction: lymphoscintigraphy is imaging of the lymphatic system and has been integrated into the sentinel node mapping procedures. lymphoscintigraphy usually encompasses early or delayed static images. however, immediate dynamic imaging of the lymphatic basins and tumors has also been used as an adjunct lymphoscintigraphy imaging. the aim of this study was to assess the role of early dynami...

Journal: :iranian biomedical journal 0
مهری علی اصغرپور mehri aliasgharpour nikolay dimitrov david thorne david thorne nikolay dimitrov

the focus of this study was to determine if early detection of mutant p53 accumulation may be an early indicator of tumor aggressiveness and transformation to invasive breast cancer. for this purpose, the p53 content of 100 human breast biopsies classified as ductal carcinoma (dcis), was evaluated by immunohistochemical method. all specimens were microscopically classified into histologic types...

ژورنال: محاسبات نرم 2015

Accurate segmentation plays a vital role in automated analysis of ultrasonic images. A new method based on adaptive anisotropic diffusion is introduced here for lesion detection in ultrasonic images of the breast. In this method, a hypothesis testing framework is defined first to separate lesions from healthy breast tissue. Then the boundary of lesion is estimated by adaptive anisotropic diffus...

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