cancer starts with a change in one single cell. this change may be initiated by external agents and genetic factors. cancer is a leading cause of death worldwide and accounts for 7.6 million deaths (around 13% of all deaths) in 2008. lung, stomach, liver, colon and breast cancer cause the most cancer deaths each year. in this review, different aspects of gastric cancer; including clinical, path...

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background: cancer of the gallbladder is an uncommon but a fatal disease. cholelithiasis has been identified as a major risk factor for this cancer. the objective of this study was to evaluate the association between the presence of cholelithiasis and gallbladder cancer. materials and methods: 1,136 patients who underwent cholecystectomy between 1993 and 2003 in shariati hospital, affiliated to...

introduction: laryngeal cancer is the second most common cancer involving the respiratory tract, second only to lung cancer. previous studies have shown opium dependency to be a possible risk factor for laryngeal cancer. opium consumption is a major problem in some parts of the world. the aim of this study was to investigate the effect of opium consumption on the pattern of involvement in laryn...

despite development of new approaches for the treatment of cancer disease, it is the second cause of mortality in world. annually, 30000 persons die in iran due to cancer diseases. eighty percent of cancer patients are children which about 50% children lead to death. given the high rate of cancer-related death, the new approaches for prevention, control, early diagnosis, and treatment of this d...

background: ovarian cancer is the most fatal tumor of female's reproductive system, and several genetics and environmental factors are involved in its development. various studies have already identified suitable biomarkers to facilitate the early detection, prognosis evaluation, and the assessment of treatment response. however, the aim of this review was to investigate the role of long n...

a 49 year old woman diagnosed as a cervical cancer patient, after receiving appropriate treatment experienced metastasis in her abdominopelvic cavity. after aggressive management, she was well for a while. however, she developed to a poor condition consisting of urologic, gastroenterological, hematologic and neurologic problems just in a short time. in the course of hospital she presented one s...

background: breast cancer is the most common cancer found in women, and screening is the best way to make an early diagnosis. the aim of this study was to determine the rate of screening mammography and related variables in the mammography center of mousavi hospital, located in zanjan, iran. methods: this was a prospective descriptive study. study sample size was 526 women who were selected by ...

this study was carried out to analyze certain epidemiological variations in iranian patients with colorectal cancer. (crc): from march 1981 up to march 1993, 103 patients were analyzed retrospectively for age, gender, marital state, job, nutritional habits, presenting symptoms and histopathological features. most of the patients with colorectal cancer were male, age range 20-75 (mean 56), 25.4 ...