http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Supplementation with a selenium-based antioxidant compound decreased the risk of developing new polyps of the large bowel - called colorectal metachronous adenomas - in people who previously had colorectal polyps removed. http://www.physorg.com/news179472835.html Medicine & Health Tue, 08 Dec 2009 05:34:33 EST news179472835 When people speak, sing, or shout, they produce sound by pushing air over their vocal folds -- bits of muscle and tissue that manipulate the air flow and vibrate within it. When someone has polyps or some other problem with their vocal folds, the airflow can be altered, affecting the sound production. http://www.physorg.com/news178223597.html Physics Mon, 23 Nov 2009 18:50:01 EST news178223597 A protein known to stimulate blood vessel growth has now been found to be responsible for the cell overgrowth in the development of polyps that characterize one of the most severe forms of sinusitis, a study by Johns Hopkins researchers suggests. The finding gives scientists a new target for developing novel therapies to treat this form of the disease, which typically resists all current treatments. http://www.physorg.com/news178178140.html Medicine & Health Mon, 23 Nov 2009 05:56:35 EST news178178140 High-definition (HD) colonoscopy is much more sensitive than standard colonoscopy in finding polyps that could morph into cancer, say researchers at the Mayo Clinic campus in Florida. http://www.physorg.com/news175953152.html Medicine & Health Wed, 28 Oct 2009 13:10:02 EST news175953152 Recent advances in colonoscopic technology are featured in a number of studies presented at the Annual Scientific Meeting of the American College of Gastroenterology this week. In this research some technologies fare better than others at improving detection of potentially pre-cancerous growths in the colon known as adenomas. http://www.physorg.com/news175776713.html Medicine & Health Mon, 26 Oct 2009 16:00:01 EST news175776713 Researchers from Taiwan report in a new study that unsedated colonoscopy for primary colorectal cancer screening is well accepted in a majority of patients. Sedation is typically used for colonoscopy to make the patient feel comfortable during the procedure. In Taiwan, colonoscopy is performed less frequently than sigmoidoscopy for colorectal cancer screening due to concerns over cost and availability. http://www.physorg.com/news175781137.html Medicine & Health Mon, 26 Oct 2009 15:20:02 EST news175781137 A Henry Ford Hospital study questions the need for aggressive screening for colonic polyps in patients with diverticulosis. http://www.physorg.com/news175776143.html Medicine & Health Mon, 26 Oct 2009 12:00:05 EST news175776143 Unexpectedly, inflammation markers do not appear to be involved with the chemopreventative effect of aspirin on colorectal adenomas, according to a brief communication published online October 12 in the Journal of the National Cancer Institute. http://www.physorg.com/news174585295.html Medicine & Health Mon, 12 Oct 2009 17:40:02 EST news174585295 In view of low attendance rate for colonoscopy screening for colorectal cancer (CRC), it is necessary to establish effective intervention methods to increase colonoscopy compliance. Many studies have reported that subjective or objective barriers prevent high-risk subjects from undergoing colonoscopy examination, which indicates that barrier-focused intervention might be effective. However, such barrier-focused intervention has not been reported in China. http://www.physorg.com/news170499659.html Medicine & Health Wed, 26 Aug 2009 12:10:01 EST news170499659 Serrated colorectal polyps include the subgroups hyperplastic polyps, sessile serrated polyps (also called sessile serrated adenomas), and serrated adenomas. Recent studies have found that serrated polyps share molecular features with a subgroup of colon cancers, leading to the hypothesis that serrated polyps can be precursors of cancer through a hyperplastic polyp to serrated adenoma to cancer sequence. These cancers tend to arise in the proximal colon. Sessile serrated polyps may be an intermediate step between hyperplastic polyp and serrated adenomas. http://www.physorg.com/news170420666.html Medicine & Health Tue, 25 Aug 2009 12:30:02 EST news170420666 Corticosteroid injections appear to offer an alternative to surgery for treating polyps on the vocal cords, according to a report in the August issue of Archives of Otolaryngology-Head & Neck Surgery. http://www.physorg.com/news169752244.html Medicine & Health Mon, 17 Aug 2009 23:00:02 EST news169752244 Non-steroidal anti-inflammatory drugs (NSAIDs), which are known to reduce the risk of colon cancer, act directly on cyclooxygenase-2 (COX2) and reduce its activity. Population studies have found an association of inherited variations in the COX2 gene with colon cancer risk, but others were unable to replicate this finding. Similarly, variations in the uridine diphosphate glucuronosyltransferase 1A6 (UGT1A6) gene, which is also known to be key in the metabolism of NSAIDs, have been shown to modify the effect of NSAIDs on developing colon polyps, a precursor of colon cancer, but these modifications of NSAID effects have not been observed in risk of colon cancer. http://www.physorg.com/news162216551.html Medicine & Health Fri, 22 May 2009 13:09:40 EST news162216551 A new study finds that individuals who have low expression of the "Celebrex gene," 15-PGDH, are actually resistant to Celebrex treatment when used to prevent colon cancer. The study, published in this week's issue of the Proceedings of the National Academy of Sciences (PNAS), is by Sanford Markowitz, M.D., Ph.D., the Markowitz-Ingalls Professor of Cancer Genetics at the Case Western Reserve University School of Medicine and an oncologist at the Ireland Cancer Center of University Hospitals Case Medical Center and his colleagues. http://www.physorg.com/news161886111.html Medicine & Health Mon, 18 May 2009 17:22:30 EST news161886111 A procedure used in conjunction with a vaginal ultrasound might make it easier to visualize and diagnose diseases in the lining of the uterus, researchers at UT Southwestern Medical Center have found. http://www.physorg.com/news158911591.html Medicine & Health Tue, 14 Apr 2009 07:07:16 EST news158911591 Colorectal cancer is one of the most commonly diagnosed cancers in the United States with more than 140,000 cases diagnosed each year. It is also one of the most preventable cancers. Since March is Colorectal Cancer Awareness Month, now is the perfect time to schedule that colonoscopy you`ve been putting off. To help calm your fears, Dale Burleson, M.D., colorectal surgeon on the medical staff at Baylor Medical Center at Frisco, explains the details of the test -- it`s not as scary as some people think. http://www.physorg.com/news155893063.html Medicine & Health Tue, 10 Mar 2009 08:38:19 EST news155893063 Polypectomy (the surgical removal of polyps by colonoscopy) of small polyps found during CT colonography is costly and unnecessary according to a study performed at the University of Wisconsin School of Medicine and Public Health in Madison, WI. http://www.physorg.com/news144928505.html Medicine & Health Mon, 03 Nov 2008 09:55:05 EST news144928505 Based on results of a landmark study, researchers at Mayo Clinic's Florida campus see a future in which virtual biopsies will eliminate the need to remove colon polyps that are not cancerous or will not morph into the disease. http://www.physorg.com/news142609219.html Medicine & Health Tue, 07 Oct 2008 14:40:19 EST news142609219 The first generation of a stool DNA test to identify early colorectal cancer has limitations, according to a Mayo Clinic-led study published in the Oct. 7, 2008, issue of Annals of Internal Medicine. Results did not corroborate findings of an earlier multicenter study that showed stool DNA testing was more accurate than fecal blood testing for colorectal cancer detection. * http://www.physorg.com/news142565328.html Medicine & Health Tue, 07 Oct 2008 02:28:48 EST news142565328 A screening program for colon cancer in patients starting ten years prior to Medicare eligibility, at age 55 instead of Medicare's 65, would save at least two dollars for every dollar spent, according to a new study presented at the American College of Gastroenterology's 73rd Annual Scientific Meeting in Orlando. http://www.physorg.com/news142523002.html Medicine & Health Mon, 06 Oct 2008 14:43:22 EST news142523002 Black Americans have a higher occurrence of colon polyps, according to a new study. This is a significant finding considering the incidence of colon cancer among black men has increased and remained unchanged among black women during the last 20 years. http://www.physorg.com/news141472659.html Medicine & Health Wed, 24 Sep 2008 10:57:39 EST news141472659 Compared with white patients, black patients undergoing screening colonoscopy have a higher prevalence of colon polyps, according to a study in the September 24 issue of JAMA. http://www.physorg.com/news141403522.html Medicine & Health Tue, 23 Sep 2008 15:45:22 EST news141403522 Among people who have had an initial colonoscopy that found no polyps, a possible sign of cancer, the risk of developing colorectal cancer within five years is extremely low, a new study has found. http://www.physorg.com/news140891480.html Medicine & Health Wed, 17 Sep 2008 17:31:20 EST news140891480 Colorectal adenomas, the precursor polyps in virtually all colorectal cancers, occur infrequently in younger adults, but the rate sharply increases after age 50. Additionally, African Americans have a higher rate of proximal, or right-sided, polyps, and may have a worse prognosis for survival if the polyps become cancerous. Therefore, the results of this study further emphasize the importance of colonoscopies, which view the entire colon, for the prevention of colorectal cancer beginning at age 50. http://www.physorg.com/news139585733.html Medicine & Health Tue, 02 Sep 2008 14:48:53 EST news139585733