نتایج جستجو برای: adenomatous polyps
تعداد نتایج: 17789 فیلتر نتایج به سال:
Inflammation and oxidative stress play a crucial role in the development of colorectal cancer (CRC) and interference with these mechanisms represents a strategy in CRC chemoprevention. Allopurinol, a safe molecular scavenger largely used as antigout agent, has been shown to increase survival of patients with advanced CRC and to reduce CRC incidence in long-term gout users in epidemiologic studi...
OBJECTIVE To review the diagnostic yield of flexible sigmoidoscopy in patients presenting with bright red rectal bleeding. DESIGN Retrospective study. SETTING University teaching hospital, Hong Kong. SUBJECTS AND METHODS Patients who underwent flexible sigmoidoscopy between January 1995 and April 1996 for investigation of bright red rectal bleeding were recruited. The extent of the endosc...
BACKGROUND The incidence of colorectal cancer is increasing in Taiwan. Adenomatous polyps are known to be precancerous lesions and need to be removed. New techniques like chromendoscopy, magnifying endoscopy, narrow band imaging and magnifying endoscopy with flexible spectral imaging color enhancement may improve the accuracy of identifying precancerous polyps but are not widely available in th...
Colorectal cancer (CRC) is the second leading cause of death in the United States, claiming 56,730 lives in 2004. 146,940 new cases are diagnosed each year, (age standardized incidence 53/100,000) making it 3rd in American cancer incidence, with a lifetime risk estimate of -61/6. Risk factors for CRC include but are not limited to inherited CRC syndromes, inflammatory bowel disease, diabetes me...
OBJECTIVE It is suggested that patients with acromegaly have an increased risk of colorectal cancer and pre-malignant adenomatous polyps. However, the optimum frequency with which colonoscopic screening should be offered remains unclear. DESIGN To determine the optimum frequency for repeated colonoscopic surveillance of acromegalic patients. METHODS We retrospectively reviewed the case reco...
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