BACKGROUND Endoscopic removal of duodenal and colorectal adenomas is currently considered to be the standard of care for prevention of adenocarcinoma. The use of cautery carries a risk of delayed bleeding, post-polypectomy syndrome, and perforation. We examined the safety and feasibility of removing colonic and duodenal polyps ≥ 1 cm using a piecemeal cold snare polypectomy technique. PATIENT...

In this thesis we address the problem of segmentation and detection of colorectal polyps in endoscopic images obtained by a wireless capsule endoscopic device. As colorectal polyps are precursors to colonic cancer, and an early detection and removal of colorectal polyps can positively affect the prognosis of colonic cancer (one of the leading causes of death by cancer), it is our goal to develo...

This case-control study examined the relationship between the occurrence of colonic polyps in men in their fifties and the level of their physical fitness while in their thirties. The subjects consisted of 51 male Japan Self-Defense Forces officials in their fifties who had colonic polyps, as diagnosed by colonoscopic examination, and 46 control individuals. As an indicator of physical fitness ...

Several studies have shown that patients with acromegaly are at increased risk of developing colorectal polyps and cancer. The prevalence of polyp in colon of patients with acromegaly was variously reported between 23% and 53%. This study was conducted to determine the prevalence of polyp and cancer of colon in patients with acromegaly. Twenty-three patients with acromegaly were evaluated with ...

AIM To determine the pathogenesis and potential single nucleotide polymorphisms (SNPs) as screening sites for colonic polyps, colon cancer and ulcerative colitis, and to analyze the possible association between these genetic polymorphisms and the three diseases. METHODS We evaluated genetic polymorphisms in 144 newly diagnosed colonic polyp patients, 96 colon cancer patients and 44 ulcerative...

Expression of the protooncogene c-Myb protein was assessed in normal mucosa and in tumor samples resected from six patients. We found that the tumor samples always expressed higher levels of full length Myb protein than the normal tissue. This contrasts with the situation in c-myb-associated hemopoietic malignancies of the mouse and chicken, in which Myb proteins are generally amino or carboxyl...

Colonic crypt cell proliferation is used as an indicator of risk of colorectal carcinoma. Subjects with adenomatous polyps and cancer have an increased cell proliferation and a shift of the proliferative zone towards the apex of the crypt. Epidemiological and in vitro studies have confirmed a link between vitamins A, E, C, beta-carotene, and colorectal cancer. In vitro bromodeoxyuridine immunoh...

Colorectal cancer originates from the colon and rectum in the body. It is a very common type of cancer in the United States. The molecular pathogenesis of colorectal cancer involves complex pathways. There are different types of colonic polyps associated with colorectal cancer; mostly are precancerous in nature. In this article, different pathological mechanisms, colonic polyps, symptoms, diagn...