Showing posts with label colorectal. Show all posts
Showing posts with label colorectal. Show all posts

Friday 27 December 2019

Smokers Get Sick Of Colorectal Cancer Earlier

Smokers Get Sick Of Colorectal Cancer Earlier.
A callow swat has uncovered a strong link between smoking and the development of precancerous polyps called non-reflective adenomas in the large intestine, a finding that researchers say may explain the earlier onset of colorectal cancer in the midst smokers. Flat adenomas are more aggressive and harder to spot than the raised polyps that are typically detectable during column colorectal screenings, the authors noted. This fact, coupled with their affiliation with smoking, could also explain why colorectal cancer is usually caught at a more advanced stage and at a younger maturity among smokers than nonsmokers.

So "Little is known regarding the risk factors for these boring lesions, which may account for over one-half of all adenomas detected with a high-definition colonoscope," study author Dr Joseph C Anderson, of the Neag Comprehensive Cancer Center at the University of Connecticut Health Center, said in a talk manumitting from the American Society for Gastrointestinal Endoscopy. But, "smoking has been shown to be an distinguished risk factor for colorectal neoplasia tumor formation in several screening studies".

Sunday 1 December 2019

E-Mail Reminder To The Survey

E-Mail Reminder To The Survey.
Both electronic and mailed reminders assistance support some patients to get colorectal cancer screenings, two new studies show. One look included 1103 patients, aged 50 to 75, at a group tradition who were overdue for colorectal cancer screening. Half of them received a single electronic message from their doctor, along with a vinculum to a Web-based tool to assess their risk for colorectal cancer. The other patients acted as a mastery group and did not receive any electronic messages. One month later, the screening rates were 8,3 percent for patients who received the electronic reminders and 0,2 percent in the knob group.

But the characteristic was no longer significant after four months - 15,8 percent vs 13,1 percent. Among the 552 patients who received the electronic message, 54 percent viewed it and 9 percent worn the Web-based assessment tool. About one-fifth of the patients who utilized the assessment carve were estimated to have a higher-than-average risk for colorectal cancer.

Patients who used the risk tool were more expected to get screened. "Patients have expressed interest in interacting with their medical record using electronic portals comparable to the one used in our intervention," wrote Dr Thomas D Sequist, Brigham and Women's Hospital and Harvard Medical School, and colleagues, in a message release.

A New Factor Of Increasing The Risk Of Colon Cancer Was Studied

A New Factor Of Increasing The Risk Of Colon Cancer Was Studied.
Researchers article that expensive levels of a protein measured through blood tests could be a cypher that patients are at higher risk of colon cancer. And another new reflect on finds that in blacks, a common germ boosts the risk of colorectal polyps - offbeat tissue growths in the colon that often become cancerous.

Both studies are slated to be presented Monday at the American Association for Cancer Research (AACR) annual encounter in Washington, DC. One study links important levels of circulating C-reactive protein to a higher risk of colon cancer. Protein levels take to the air when there's low-grade inflammation in the body.

So "Elevated CRP levels may be considered as a jeopardy marker, but not necessarily a cause, for the carcinogenic process of colon cancer," Dr Gong Yang, enquiry associate professor at Vanderbilt University, said in an AACR news release. Yang and colleagues intentional 338 cases of colorectal cancer among participants in the Shanghai Women's Health Study and compared them to 451 women without the disease.

Women whose protein levels were in the highest post had a 2,5 - shut down higher risk of colon cancer compared to those in the lowest quarter. In the other study, researchers linked the bacterium Helicobacter pylori to a higher gamble of colorectal polyps in blacks. That could press it more likely that they'll develop colon cancer.

But "Not each and every one gets sick from H pylori infection, and there is a legitimate concern about overusing antibiotics to touch on it," said Dr Duane T Smoot, chief of the gastrointestinal allotment at Howard University, in a statement. However, the majority of the time these polyps will become cancerous if not removed, so we basic to screen for the bacteria and treat it as a possible cancer prevention strategy. The learning authors, who examined the medical records of 1262 black patients, found that the polyps were 50 percent more omnipresent in those who were infected with H pylori.

Friday 9 March 2018

Early Diagnostics Of A Colorectal Cancer

Early Diagnostics Of A Colorectal Cancer.
Researchers in South Korea stipulate they've developed a blood proof that spots genetic changes that signal the manifestation of colon cancer, April 2013. The test accurately spotted 87 percent of colon cancers across all cancer stages, and also correctly identified 95 percent of patients who were cancer-free, the researchers said. Colon cancer remains the assistant matchless cancer lollapalooza in the United States, after lung cancer. According to the US Centers for Disease Control and Prevention, nearly 137000 Americans were diagnosed with the infirmity in 2009; 40 percent of people diagnosed will stop from the disease.

Right now, invasive colonoscopy remains the "gold standard" for spotting cancer early, although fecal inexplicable blood testing (using stool samples) also is used. What's needed is a greatly accurate but noninvasive testing method, experts say. The new blood assess looks at the "methylation" of genes, a biochemical process that is key to how genes are expressed and function. Investigators from Genomictree Inc and Yonsei University College of Medicine in Seoul said they spotted a set of genes with patterns of methylation that seems to be set to tissues from colon cancer tumors.

Changes in one gene in particular, called SDC2, seemed especially tied to colon cancer swelling and spread. As reported in the July 2013 result of the Journal of Molecular Diagnostics, the party tested the gene-based vet in tissues taken from 133 colon cancer patients. As expected, tissues entranced from colon cancer tumors in these patients showed the characteristic gene changes, while samples enchanted from adjacent healthy tissues did not.

More important, the same genetic hallmarks of colon cancer (or their absence) "could be intentional in blood samples from colorectal cancer patients and healthy individuals," the researchers said in a minutes news release. The test was able to detect stage 1 cancer 92 percent of the time, "indicating that SDC2 is acceptable for early detection of colorectal cancer where therapeutical interventions have the greatest likelihood of curing the patient from the disease," study example author TaeJeong Oh said in the news release.

Wednesday 27 December 2017

New Non Invasive Test For Detection Of Tumors Of The Colon Is More Accurate Than Previously Used

New Non Invasive Test For Detection Of Tumors Of The Colon Is More Accurate Than Previously Used.
A additional noninvasive check-up to read pre-cancerous polyps and colon tumors appears to be more accurate than advised noninvasive tests such as the fecal occult blood test, Mayo clinic researchers say. The researching for a highly accurate, noninvasive alternative to invasive screens such as colonoscopy or sigmoidoscopy is a "Holy Grail" of colon cancer research. In a prior trial, the new try was able to identify 64 percent of pre-cancerous polyps and 85 percent of full-blown cancers, the researchers reported.

Dr Floriano Marchetti, an subordinate professor of clinical surgery in the division of colon and rectal surgery at University of Miami Sylvester Comprehensive Cancer Center, said the untrodden study could be an important adjunct to colon cancer screening if it proves itself in further study. "Obviously, these findings requisite to be replicated on a larger scale. Hopefully, this is a good start for a more reliable test".

Dr Durado Brooks, leader of colorectal cancer at the American Cancer Society, agreed. "These findings are interesting. They will be more fascinating if we ever get this kind of data in a screening population".

The study's lead researcher remained optimistic. "There are 150000 rejuvenated cases of colon cancer each year in the United States, treated at an estimated price of $14 billion," noted Dr David A Ahlquist, professor of c physic and a consultant in gastroenterology at the Mayo Clinic in Rochester, Minn. "The hallucinate is to eradicate colon cancer altogether and the most realistic approach to getting there is screening. And screening not only in a motion that would not only detect cancer, but pre-cancer. Our test takes us closer to that dream".

Ahlquist was scheduled to endowment the findings of the study Thursday in Philadelphia at a meeting on colorectal cancer sponsored by the American Association for Cancer Research. The redesigned technology, called the Cologuard sDNA test, innards by identifying specific altered DNA in cells shed by pre-cancerous or cancerous polyps into the patient's stool.

If a DNA distortion is found, a colonoscopy would still be needed to confirm the results, just as happens now after a unquestionable fecal occult blood test (FOBT) result. To see whether the test was effective, Ahlquist's group tried it out on more than 1100 frozen stool samples from patients with and without colorectal cancer.

The check was able to detect 85,3 percent of colorectal cancers and 63,8 percent of polyps bigger than 1 centimeter. Polyps this extent are considered pre-cancers and most likely to progress to cancer.

Thursday 31 March 2016

Some Bacteria Inhibit Cancer Progression

Some Bacteria Inhibit Cancer Progression.
Having a farther down variety of bacteria in the emotional is associated with colorectal cancer, according to a new study. Researchers analyzed DNA in fecal samples nonchalant from 47 colorectal cancer patients and 94 people without the disease to act on the level of diversity of their gut bacteria. Study authors led by Jiyoung Ahn, at the New York University School of Medicine, concluded that decreased bacterial multiplicity in the gut was associated with colorectal cancer.

The examination was published in the Dec 6, 2013 issue of the Journal of the National Cancer Institute. Colorectal cancer patients had debase levels of bacteria that ferment dietary fiber into butyrate. This fatty acid may govern inflammation and the start of cancer in the colon, researchers found.