Articles tagged with Adenomas
Two studies suggest that women under 50 with endometrial cancer have a four-fold increased risk of colorectal cancer, while extended family members of patients with colorectal cancer also show an elevated risk. Additionally, obesity and gender may impact adenoma detection rates.
A study of 5,442 female health professionals found that combined folic acid, vitamin B6, and vitamin B12 supplements did not reduce the risk of colorectal adenomas. No association was seen between supplement intake and cancer risk despite previous observational studies suggesting potential protective effects.
A new study found that split-dose preparation significantly improved polyp detection rates and adenoma detection rates, as well as the quality of bowel prep and colonoscopy completion rates. This approach involves dividing the preparation into two doses, taken before and after the procedure, to improve patient compliance and efficacy.
A study using narrow band imaging found high accuracy for predicting polyp type and suggests leaving distal colon hyperplastic polyps in place with acceptable accuracy. The technology improved visualization of mucosal characteristics, enabling real-time assessment of polyp type.
Researchers discovered a significant correlation between the number of colorectal polyps and genetic mutations, particularly in individuals with multiple adenomas. The study suggests that genetic evaluation for APC and MUTYH mutations may be considered in individuals with 10 or more adenomas.
A new study demonstrates the potential of natural language processing (NLP) to measure performance on colonoscopy quality measures. The NLP-based computer software application efficiently analyzed a large sample of colonoscopy reports, revealing clear variation in performance even within a highly regarded academic health care system.
Researchers found that patients prefer colonoscopy over computed tomography colonography, despite its more invasive nature. The study highlights the importance of a patient's experience in the process of colonoscopy and suggests that colonoscopy is the preferred test for screening average-risk patients.
Researchers found that a comprehensive care management program for chronic obstructive pulmonary disease (COPD) may not be safe or suitable for patients, as it led to excess mortality. In contrast, laxative-free colonography proved accurate in detecting most significant lesions and eliminated a major barrier to colon cancer screening. ...
Researchers found blacks and Hispanics have a higher risk of developing precancerous colorectal polyps compared to whites, with a higher rate in the upper portion of the colon. Colonoscopy may be a more effective screening test for these populations than sigmoidoscopy.
A recent study found that inadequate bowel preparation during a colonoscopy can lead to missed pre-cancerous lesions, which were later discovered during a second screening. This highlights the importance of proper preparation for colonoscopies, as even minor issues can have significant consequences.
A new study describes innovative efforts to increase colorectal cancer screening rates among Alaska Natives, resulting in a 55% statewide screening rate. The pilot projects included training mid-level providers, itinerant endoscopy services, patient navigator services, and database creation to identify high-risk individuals.
Repeated flexible sigmoidoscopy screenings increased the detection of colorectal cancer or advanced adenoma in participants by 26% and 34%, respectively. This improvement comes with a higher cost and increased need for diagnostic interventions.
Researchers at Mayo Clinic found that a two-hour focused training significantly increased the ability of physicians to detect precancerous polyps in the colon. The study suggests new educational methods could increase colorectal cancer detection rates and reduce cancer deaths.
A new study has found that listening to Mozart while performing colonoscopy can increase adenoma detection rates in physicians. The study, which used a randomized controlled trial, compared music with no music and found significant improvements in adenoma detection rates for two endoscopists.
A new study found that structured endoscopist training can significantly improve detection of pre-cancerous growths in the colon. Researchers identified several high-risk sub-groups, including Non-Hispanic Blacks, females, and patients over age 60, who are more likely to develop aggressive proximal colorectal cancers.
A study analyzing 40,000 screening colonoscopies found men have a higher rate of advanced tumors compared to women in all age groups. The researchers suggest sex-specific age recommendations for screening colonoscopy could result in lower CRC mortality rates.
A new study finds that retroflexion technique during colonoscopy on the right side of the colon detects additional adenomatous polyps in approximately four percent of patients, comparable to a second forward-view colonoscopy. The technique is safe and achievable in 95% of patients.
A new study found that colonoscopies done with suboptimal bowel preparation are associated with relatively high adenoma miss rates, indicating a decrease in colonoscopy effectiveness. The study suggests that early repeat colonoscopies may be necessary to ensure accurate detection and removal of precancerous polyps.
Researchers from NY Presbyterian/Columbia University Medical Center present studies on the prevalence of colorectal adenomas in racial and ethnic minorities, finding higher rates among blacks and Hispanics. Additionally, a study on single operator choledochoscopy reveals low interobserver agreement and accuracy among experts, highlight...
A study found that colonoscopy has prevented a substantial number of deaths from colorectal cancer, but many more could have been prevented. The analysis estimated that approximately 13,800 to 22,000 colorectal cancer deaths could have been prevented in 2005.
Researchers found that allopurinol reduced levels of Ki67 biomarker in normal tissue but not in adenoma tissue. The study suggests allopurinol may have some activity against colon carcinogenesis, providing a potential background for a large trial to reduce adenoma recurrence.
A new study by University at Buffalo gastroenterologists reveals that men with prostate cancer are more likely to have precancerous colon polyps, including abnormal adenomas and advanced adenomas. The research suggests these patients should prioritize routine colonoscopies to prevent colorectal cancer.
Researchers discovered that a new endoscopic technique called retroflexion can significantly increase polyp detection rates in the right colon, particularly among men and older patients. This breakthrough could lead to improved cancer prevention and better patient outcomes through more accurate colonoscopy exams.
Researchers developed a novel water method to reduce discomfort during unsedated colonoscopy, enhancing cecal intubation and patient willingness to repeat procedures. The study showed significant improvements in these outcomes compared to traditional air insufflation methods.
A new study found a strong association between smoking and the presence of flat adenomas (precancerous polyps) in the colon. The study suggests that smoking may explain why smokers often present with colorectal cancer at a younger age and at a more advanced stage than nonsmokers.
Research suggests statin use may increase risk of developing benign colorectal tumors. The analysis found no benefit in tumor growth among patients using statins compared to those who never used them.
Two studies found that using the Third Eye Retroscope (TER) during colonoscopy detected 13.2% more polyps than standard colonoscopy alone, including 11% additional adenomas. The TER improved polyp detection rates significantly with experienced endoscopists.
Researchers found that nine cases of colorectal cancer were diagnosed over 7,626 person-years of observation, with most cancers detected at early stages. The study highlights the importance of close follow-up for patients with a history of advanced adenoma.
A selenium-based antioxidant compound supplementation decreased the risk of developing new colorectal metachronous adenomas in individuals who previously had polyps removed. The study found a 40% reduction in metachronous adenoma incidence after 13 years of follow-up.
New imaging technologies, such as the Third Eye Retroscope and high-definition (HD) colonoscopy, improve the detection of pre-cancerous growths in the colon. These advancements lead to more accurate diagnoses and potentially reduced mortality rates from colorectal cancer.
Researchers analyzed 12 focal nodular hyperplasia (FNH) lesions and found polyclonal nature with no loss of heterozygosity in most cases, contrasting with 40% monoclonality in altered hepatocytes. This study provides an approach for differential diagnosis and may lead to further understanding of early human hepatocarcinogenesis.
Researchers found that HIV-positive patients who underwent susceptibility testing had lower mortality rates. Internet-based self-management programs improved asthma control and lung function in adult patients, but not quality of life or asthma attacks. Restricting artificial trans fat in restaurants led to healthier fatty acid profiles...
A study published in GIE: Gastrointestinal Endoscopy examined polyp detection rates at screening colonoscopy and identified factors contributing to variability. Procedure time was found to be significantly associated with polyp detection rates across all models, indicating the need for quality standards for colonoscopy performance.
A new CT scan method has been shown to be accurate in detecting colorectal cancer in individuals at increased risk. The study found a sensitivity of 85.3% and specificity of 87.8%, making it a potentially effective alternative to colonoscopy for screening.
Recent studies have shown that patients under deep sedation during colonoscopy are more likely to have large polyps detected, which could lead to earlier detection of colon cancer. Additionally, research suggests that removing advanced pre-malignant polyps sooner than recommended may be beneficial in reducing the risk of colon cancer.
A rare case of liver cell adenoma (LCA) was reported in a woman without typical background, showing sequential alteration in radiological findings suggesting well-differentiated HCC. The patient underwent partial hepatectomy and pathological findings confirmed the diagnosis of LCA.
A study published in Archives of Internal Medicine found that mail reminders increased colon cancer screening rates by 44% compared to non-reminded patients. Electronic physician reminders also showed promise, especially among patients with three or more primary care visits, resulting in a 59.5% screening rate.
A study found that lack of general treatment failure and distant metastases 3 years after treatment initiation may be surrogate endpoints for long-term survival in early prostate cancer patients. Another study identified netrin-1 as a potential therapeutic target for non-small cell lung cancer.
Researchers found that narrow-band imaging (NBI) was not more accurate than white light colonoscopy in differentiating colorectal polyps during real-time colonoscopy. However, NBI accuracy improved significantly after the endoscopists gained experience with the new diagnostic tool.
Studies emphasize the importance of adequate bowel preparation prior to colonoscopy, highlighting its effectiveness in detecting and removing pre-cancerous polyps. Poor quality bowel preparation is associated with missed cancers and undetected polyps.
Researchers developed a fiber optic technology to measure blood levels in the colonic lining, detecting an early increase in blood supply associated with proximity to neoplasia. The findings suggest this technology could be a valuable screening tool for enhancing polyp detection and improving colon cancer prevention.
Researchers at Johns Hopkins Kimmel Cancer Center found that young adults without family history of bowel disease have few pre-cancerous polyps. Screening guidelines recommend colonoscopies starting at age 50, but the study suggests African Americans should consider colonoscopy over sigmoidoscopy.
A 52-year-old woman presented with a rectal mass containing tubulovillous adenoma, high-grade dysplasia, and invasive adenocarcinoma. Histological analysis revealed co-existence of sarcomatoid carcinoma and invasive adenocarcinoma, supporting the monoclonal theory of pathogenesis.
A new study found that people with an initial negative colonoscopy have a very low risk of developing colorectal cancer within five years. Based on this study, rescreening may not be necessary sooner than five years after the initial screening. The study's findings confirm what many gastroenterologists already believed.
A new study confirms that colorectal cancer screening should begin at age 50, with colonoscopies being the most effective method for preventing the disease. The study found that the prevalence of colorectal polyps increases sharply after age 50, and African Americans have a higher rate of right-sided polyps.
Researchers at Columbia University's Mailman School of Public Health discovered that the prevalence of pre-cancerous masses in the colon is similar between patients aged 40-49 and 50-59. The study suggests that starting colon cancer screening at age 40 may help decrease its prevalence and save more people from the disease.
New developments in sedation techniques, including computer-assisted systems and propofol administration, are expected to increase the effectiveness of colonoscopy and ease patient concerns. These advancements aim to encourage patients to get screened for colorectal cancer, which is curable when detected early.
Researchers found that combining low-dose DFMO with sulindac reduced recurrent colorectal adenoma risk by up to 95% without significant toxicity. The combination therapy also showed significant reductions in advanced adenoma recurrence rates, including a 92% reduction for larger adenomas.
Researchers found a significant increase in follicular adenoma risk among persons exposed to radioactive fallout from Chernobyl as children and adolescents. The study suggests exposure to radiation at young ages increases the risk, with women having a notably higher risk compared to men.
Researchers reported a rare case of an adrenal adenoma producing carcinoembryonic antigen, highlighting the importance of serum CEA levels in diagnosis. Laparoscopic adrenectomy was successfully performed using combined lateral and anterior transperitoneal approach.
A recent study found that CT colonography is effective in detecting new and significant abnormalities outside the colon, including cirrhosis and tumors, in elderly patients. The study also showed that a high percentage of patients had at least one malignancy, with extracolonic malignancies being more common than previously thought.
A study has identified mimecan and TXNDC5 as potential biomarkers for early detection of colorectal cancer. The research found that these proteins are differentially expressed in colorectal adenoma, a precursor lesion to the disease.
New research suggests folic acid supplementation does not decrease colorectal tumor risk and may actually increase it. The study found that participants receiving folic acid had higher rates of advanced adenomas and multiple adenomas compared to those in the placebo group.
A University of Leicester study found that consuming high doses of stabilized rice bran significantly reduced the development of precancerous adenomas in the intestine. The research suggests a potential role for rice bran in preventing colorectal cancer, although further studies are needed to confirm these findings.
A multicenter study found that medium-sized colon polyps (0.6-0.9 cm) are associated with a significant number of advanced adenomas and cancers. This raises questions about the effectiveness of observational screening methods, which do not remove polyps.
A recent study published in the New England Journal of Medicine found that celecoxib, a commonly used painkiller, significantly reduced the incidence of potentially pre-malignant colorectal polyps by 36% in patients taking a daily dose. The study involved over 1,550 participants and showed a greater effect on advanced adenomas.
A Dartmouth researcher found that VIOXX reduces the risk of colorectal adenomas, a precursor to colon cancer. The study involved 2,587 patients and showed that rofecoxib lowered the recurrence rate of adenomas by 41% compared to placebo.
The APPROVe trial shows rofecoxib effective in reducing the recurrence of colorectal adenomas, a precursor to colon cancer. Patients taking rofecoxib had a lower recurrence rate (41% vs 55%) and reduced risk of advanced adenomas compared to those on placebo.
Researchers identified mutations in the AIP gene as the underlying cause of pituitary adenoma predisposition. The discovery provides molecular tools for efficient identification of predisposed individuals, potentially leading to earlier diagnosis and treatment of conditions like acromegaly and gigantism.
Computed Tomographic Colonography (CTC) screening found extra-colonic abnormalities in approximately 16 percent of asymptomatic patients. The most common findings were coronary artery calcifications and non-calcified pulmonary nodules. CTC was also compared to optical colonoscopy (OC) for detecting polyps, with comparable accuracy in i...