Articles tagged with Adenomas
Researchers conclude an expansion of the adenoma causing tumour apoplexy was the probable cause of her premature death. The study also suggests that long-admired Strabismus (squint) of Venus may be due to the tumor.
A study by Harvard T.H. Chan School of Public Health found that gut microbiome alterations persist even after adenoma removal, increasing the risk of colorectal cancer. The researchers discovered that diet and physical activity were closely tied to CRC-associated gut microbes, suggesting lifestyle habits may contribute to sustained risk.
Adults aged 75 or older without adenoma on prior colonoscopy have lower risk of subsequent colorectal cancer and CRC death. Despite this, those with prior adenoma may consider deprioritizing surveillance colonoscopy relative to other health concerns.
A new fecal SDC2 methylation assay, combined with the Asia-Pacific Colorectal Screening Scoring (APCS), demonstrates superior performance in detecting advanced adenomas and stratifying risk. The test's high specificity makes it a valuable tool for prioritizing colonoscopy.
Research reveals that higher lifetime alcohol consumption is associated with a higher risk of colorectal cancer, especially for rectal cancer. Quitting drinking can lower a person’s risk, according to the findings published in CANCER, a peer-reviewed journal.
A community awareness campaign in Nigeria increased awareness of colorectal cancer symptoms and risk factors, leading to earlier detection of the disease. The program also identified precancerous polyps and detected colorectal cancer at curable stages.
A study found that higher consumption of ultraprocessed foods is associated with an increased risk of developing early-onset colorectal cancer precursors. The research highlights the importance of improving dietary quality to mitigate the rising burden of early-onset colorectal cancer.
Researchers found people with both types of polyps are up to five times more likely to develop advanced pre-cancerous changes. The study supports growing evidence that these two types may represent separate cancer pathways.
A study found slightly lower adenoma detection rates in adults aged 45-49 compared to older groups, consistent with previous evaluations of screening colonoscopies. The study's findings suggest that the lowered screening age may have a beneficial effect on colon cancer prevention.
Hepatic biliary adenofibroma (BAF) is a rare, benign tumor with histological characteristics distinct from other biliary tumors. Emerging case reports suggest potential for malignant transformation and overlap with intrahepatic cholangiocarcinoma (iCCA), highlighting diagnostic challenges and need for further research.
A recent study demonstrates that stool DNA testing is highly sensitive and specific for detecting colorectal cancer among Thai individuals, with a sensitivity of 91.5% and specificity of 90.3%. The test targets methylation statuses of three genes and may provide a viable non-invasive alternative to colonoscopy.
Researchers at Kyushu University identified a new type of tumor cell population, steroids-producing nodules (SPNs), which lead to cortisol-producing adenomas. The study provides clues into the formation and maintenance of the human adrenal cortex.
A study of 9,740 surveillance colonoscopies found rare colorectal cancer detection and higher advanced neoplasia yields among those with prior advanced adenoma. These findings inform decision-making on continued screening in older adults with a history of colorectal adenomas.
A recent study published in Hypertension reveals that aldosterone-producing adenomas are composed of multiple cell types that work together to promote tumor growth. The research identified two distinct cell fates involved in hormone production, with cells expressing genes associated with aldosterone synthesis and cortisol production.
A study of over 250 patients with Cushing's disease and nonfunctioning pituitary adenomas found that those who achieved remission were more likely to develop new-onset autoimmune disease within three years. Higher prevalence of adrenal insufficiency may have contributed to this development.
A new multitarget stool RNA test, ColoSense, has been shown to detect colorectal neoplasia with high sensitivity and comparable specificity to existing molecular diagnostic tests. The test also demonstrated significant improvement in sensitivity relative to the fecal immunochemical test.
Two studies demonstrate that artificial intelligence in colonoscopy can increase adenoma detection rates and reduce miss rates, but also lead to increased removal of non-neoplastic polyps. The findings suggest the need for additional research on more defined detection parameters before AI can be integrated into routine clinical care.
A UK-wide study found that non-functioning pituitary microadenomas (NFPA) are more likely to shrink or disappear than grow within three years of monitoring. The study suggests that clinical guidelines should be changed, and a single scan three years after initial detection would be a safe and cost-effective way to manage NFPAs.
Researchers found specific bacterial species significantly associated with the development of tubular adenomas and sessile serrated adenomas. The study suggests a potential opportunity to intervene through diet or probiotics to prevent colorectal cancer.
Researchers found that a combination of symptom and high-level viral rebound after untreated COVID-19 infection is rare, occurring in only 3 percent of study participants. This suggests that accounting for underlying rates of symptom relapse is crucial when evaluating antiviral treatment effects.
Researchers found that AI-assisted colonoscopy significantly improved adenoma detection rates in patients with Lynch syndrome, detecting flat adenomas more effectively than standard examinations. The study suggests that AI-assisted real-time colonoscopy is a promising approach to optimize endoscopic surveillance for LS patients.
For adrenal lesions evaluated by single-phase dual-energy CT, fat fraction had significantly higher sensitivity than virtual noncontrast attenuation at both clinically optimal threshold and traditional ≤10 HU threshold. Fat fraction-derived metrics can help definitively diagnose incidental adrenal lesions as adenomas.
A study using gadoxetate disodium-enhanced MRI found associations between imaging characteristics and hepatocellular adenoma (HCA) subtypes. The algorithm identified common HCA subtypes with high accuracy, including β-catenin exon 3 mutations.
A cohort study found that endoscopists performing colonoscopies in FIT-based screening programs should aim for markedly higher ADRs compared to primary colonoscopy screening. The study suggests that high ADRs are associated with lower colorectal cancer incidence and mortality. Researchers recommend using ADR targets, including differen...
A cross-sectional study of over 25,000 adults found that approximately 70% of identified adrenal tumors were nonfunctioning, regardless of participant's age. The prevalence of adrenal tumors increased with age, from 0.2% in young adults to 3.2% in older adults.
Researchers have created a noninvasive method to identify tumors causing hypertension by reducing radiation exposure. The new fluorine-based agent replaces an iodine-based agent and may allow for screening of patients with hypertension-linked aldosterone adenomas.
Researchers used mathematical modeling to characterize the interplay between immune suppression, immune blockade and antigenicity in pre-cancerous cells. They found that an immunosuppressive environment is crucial for colorectal cancer progression.
Researchers found that modeling studies have been assuming colonoscopies are more accurate than they really are, detecting fewer small adenomas. However, colonoscopy still appears effective in finding precursors of cancer.
A meta-analysis of 280,660 cases of colorectal cancer and 14,139 cases of adenoma found that taller individuals have a higher risk of developing colorectal cancer and precancerous colon polyps. The study suggests that adults over 4 inches (10 cm) above the average U.S. height may be at increased risk.
A new study finds that weight loss is associated with a 46% reduced risk of developing colorectal adenoma. Adults who are initially overweight or obese may be able to reduce their risk by losing weight, while weight gain increases the chance of developing adenoma.
Researchers have revealed mechanisms by which polyps develop into colorectal cancer, setting the stage for improved surveillance utilizing precision medicine. The study found that serrated polyps derive from metaplasia, an abnormal change of cells into non-native tissue.
A Spanish study found that same-day rapid screening, face mask use, and improved ventilation significantly reduced SARS-CoV-2 transmission rates at an indoor concert with no physical distancing. The research suggests protocols for preventing virus transmission during such events.
A study of 1,461 hospital data breaches found that 71% compromised sensitive demographic or financial information, putting patients at risk of identity theft. The breaches also revealed a lack of transparency about the types of information compromised, sparking calls for policymakers to require standardized documentation.
A study analyzing data from almost 30,000 nurses found that physical activity in adolescence and later life cumulatively reduce the risk of advanced adenomatous polyps, a precursor to colorectal cancer. The study showed that adequate physical activity in both adolescence and adulthood reduces the risk by 39%.
Researchers from the University of Missouri School of Medicine found no significant difference in colonoscopy detection rates between moderate and deep sedation methods. Moderate sedation, typically used in colonoscopies, was found to be equally effective as deep sedation in detecting pre-cancerous polyps.
Researchers found that eating two or more weekly servings of yogurt was associated with a lower risk of developing conventional adenomas and those highly likely to become cancerous. The observed associations were strongest for adenomas located in the colon rather than the rectum.
A recent study published in Cancer Epidemiology, Biomarkers & Prevention found that many patients diagnosed with adenomas often do not receive subsequent colonoscopies within the recommended time frame. The study analyzed patterns and factors associated with the receipt of colonoscopy within approximately three years of a diagnosis of ...
A study using oral-delayed release methylene blue during colonoscopy found a 56.3% detection rate for adenomas and carcinomas, nearly 9% higher than the standard of care. The tablet form reduces inconvenience and safety risks while improving adenoma detection rates.
Research finds that people with both serrated polyps and conventional adenomas are at a higher risk for colorectal cancer than those with conventional adenomas alone. The study suggests that these individuals may need more intense surveillance to detect potential high-risk adenomas.
Researchers found that most patients with intermediate-risk adenomas benefit from follow-up colonoscopies, reducing the risk of bowel cancer. However, a subgroup of patients may not require additional surveillance, potentially leading to cost savings for healthcare services.
Research found a heightened risk of abnormal growths in the colon and rectum among women who used antibiotics for extended periods during their 20s-50s. Long-term antibiotic use was associated with a 36% increased risk of colorectal adenomas, which may precede bowel cancer.
Researchers found a significant number of thyroid tumors carry a mutation in the EZH1 gene, leading to increased cell proliferation. The 'two-hit model' suggests that the first mutation increases tumor disposition and the second triggers disease progression.
Researchers at Allina Health have developed an algorithm to simplify the complex pathology classification process for pituitary adenomas. The new system helps pathologists make a more accurate diagnosis with fewer tests, saving time and reducing costs.
A study using whole-exome sequencing has identified genomic alterations in both colorectal adenomas and at-risk mucosa, shedding light on the evolution of normal mucosa to precancer. The research provides a catalog of genomic changes preceding colorectal cancer development in patients with familial adenomatous polyposis.
A study found patients with flat adenomas are more likely to have large and advanced adenomas as well as multiple adenomas. This may require more frequent screenings for these patients. Colonoscopy is an effective screening test for colon cancer, allowing doctors to remove precancerous polyps.
A recent study at Houston Methodist Hospital showed that multiple small doses of highly focused radiation therapy is more effective and safer than a single larger dose in destroying pituitary gland tumors. The findings support the use of fractionated stereotactic radiotherapy (FSRT) as a best practice for treating slow-growing pituitar...
A study found that examining the right side of the colon while patients lie on their left side increases polyp and adenoma detection. This position change also improved distension of the colon, allowing for better visualization. The results suggest a more effective tool for ongoing surveillance and prevention.
A study of over 57,000 screenings found that higher adenoma detection rates are associated with a 53-60% lower lifetime risk of colorectal cancer and death. However, the cost-effectiveness remains uncertain despite potential complications from more frequent colonoscopies.
A Regenstrief study found that natural language processing can accurately track colonoscopy quality, outperforming human review in accuracy and cost. The system analyzed over 90,000 colonoscopies and achieved 95% accuracy in detecting adenomas.
A study by Mayo Clinic physicians found that high-definition optical lenses during colonoscopies can accurately evaluate polyps' precancerous or benign nature. The assessment was 96-97% accurate, potentially saving patients and healthcare systems substantial costs.
Biennial colorectal cancer screening in France's Cote-D'Or region increased the rate of diagnosis of high-risk pre-cancerous adenomas by 89%. The study also found that fecal occult blood testing may be more efficient than colonoscopy for high-risk patients.
A team of scientists has discovered that the colon has a safety mechanism to restrict adenoma formation and growth. The study found that an increase in BMP production limits the self-renewal capacity of adenoma stem cells, thus impeding rapid development.
According to a new study, endoscopists' recommendations for surveillance colonoscopy timing are consistent with guidelines in approximately 90% of cases. Quality of bowel preparation was strongly associated with adherence to guideline recommendations.
Men who spend more than 11.38 hours a day engaged in sedentary behaviors are 45% more likely to experience colorectal adenoma recurrence compared to those who spend fewer than 6.90 hours. The study found that sedentary behavior independently contributes to increased cancer risk beyond the accompanying reduction in physical activity.
Experts argue that the risk of removing low-risk lesions may outweigh the benefits of screening, citing data showing that less than 5% of adenomas develop into colorectal cancer. The medical profession should not adopt consensus guidelines without further research on sessile serrated polyps.
A new study shows that using a quarterly report card improves colonoscopy quality indicators. Colonoscopy procedures have higher adenoma detection rates (53.9%) and cecal intubation rates (98.1%) after implementing the program, with increased detection of proximal adenomas.
A new colonoscope allows doctors to see more of the colon, significantly improving adenoma detection rates and reducing polyp miss rates by up to 80%. The Full Spectrum Endoscopy (FUSE) colonoscope also optimizes withdrawal times during colonoscopies, decreasing polyp miss rates by almost twice as much with longer procedures.
A new study found that average-risk screening adenoma detection rates are significantly higher than current guidelines suggest, with women having a 25.4% risk and men having a 41.2% risk. Overall advanced-pathology adenoma detection was also higher in men, highlighting the need for vigilance in identifying patients with adenomas to pre...
A Mayo Clinic-developed two-hour training course increased adenoma detection rates among experienced endoscopists, lowering colorectal cancer risk. The study found that even non-academic physicians can benefit from the training.
A recent study of over 4 million patients found that reducing hospital stays does not increase readmission rates or patient mortality. The UK colonoscopy guidelines were also compared to US guidelines, showing that the UK guidelines may detect advanced adenomas two years earlier without increasing colonoscopy rates. Additionally, adali...