Articles tagged with Cancer Screening
A cross-sectional study found that e-cigarette users were less likely to undergo lung cancer screening. The research suggests that e-cigarettes contain carcinogens and may cause similar gene deregulations as combustible tobacco. This association may be particularly concerning for individuals who have quit smoking combustible cigarettes.
A recent study published in JAMA found that transgender women on hormone therapy have drastically lower PSA levels, which may lead to delayed diagnosis and treatment of prostate cancer. The researchers analyzed Veterans Health Administration records and recommended caution when interpreting PSA values in transgender women.
A new study from the University of Copenhagen reveals that AI has helped detect significantly more cases of breast cancer and reduce radiologist workloads. The AI system has been used to analyze tens of thousands of X-rays every year, resulting in a 12% increase in detected cases, including more small tumours of one centimetre or less.
The special issue explores challenges and opportunities in managing synthetic genomics risks, introducing a common global baseline for nucleic acid synthesis screening. Review articles provide insights into enhancing gene synthesis security and biosecurity practices of synthetic DNA providers.
Current prostate cancer screening guidelines may not be effective for transgender women taking estrogen, as it can lower PSA levels, making it difficult to detect early-stage cancer. The study aims to provide more appropriate screening guidelines for this population.
Xiaohu Xia's research focuses on enhancing diagnostic efficacy of enzyme-linked immunosorbent assay (ELISA) testing using specially tailored nickel-platinum nanoparticles. His goal is to improve disease detection accuracy by more than 300 times, enabling early diagnosis of cancers like prostate and colorectal cancer.
St. Jude researchers found that early surveillance after genetic predisposition discovery detects new, treatable tumors in 70% of cases. This approach can avoid chemotherapy and radiation, improving outcomes for children with cancer.
Gender diverse individuals face barriers in accessing healthcare screening, leading to a higher risk of undetected cancer. Nurse practitioners can play a crucial role in closing this gap by providing culturally safe care and promoting regular screenings.
A new machine-learning model using serum fusion-gene levels predicts HCC with an accuracy of 83-91%, significantly improving upon current biomarkers like serum alpha-fetal protein. This breakthrough tool may help identify patients at risk and monitor cancer recurrence, leading to improved survival rates.
Human papillomavirus (HPV) is a major cause of several cancers, with cervical cancer being the most prominent. Persistent infection with high-risk HPV types can lead to malignant transformation. Vaccination and screening programs are crucial in preventing HPV-related cancers.
Past-year Papanicolaou testing rates dropped in 2022 compared to 2019, highlighting the need to increase access to screenings. Rural-vs-urban differences indicate a focus on rural females requires attention.
A comprehensive needs assessment of Muslims in the Washington D.C. area reveals lower cancer screening rates compared to the general population. The study emphasizes the importance of culturally sensitive health initiatives to improve cancer screening rates among this community.
US Veterans Health Administration data shows lung cancer screening before diagnosis increases early stage detection and lower mortality rates. Researchers found that those who underwent screening had a higher cure rate and improved survival over five years compared to those without screening.
Researchers identify UBE2J1's role in degrading the androgen receptor, a key player in prostate cancer progression. The study suggests targeting this ubiquitination machinery may help overcome antiandrogen resistance in cancer therapy.
Researchers developed an AI-driven liquid biopsy to identify lung cancer through DNA fragment patterns in the blood, demonstrating a high negative predictive value of 99.8%. The test could quadruple lung cancer detection rates and prevent thousands of deaths if implemented nationwide.
A new molecular test WID-qCIN detects significantly more cancers and precancerous stages than current methods, identifying 100% of invasive cervical cancer and 93% of serious precancerous lesions. The test reduces the need for colposcopy examinations by 40%, improving the effectiveness of screening programs.
A study published in Radiology found that AI significantly improved breast cancer detection and reduced false-positive findings. The AI system detected more cancers while lowering the rate of unnecessary recalls, reducing radiologist workload by 33.4%.
A modelling study suggests HPV-based screening could eliminate cervical cancer in British Columbia by 2034, reducing the number of cases from over 90% to zero. The screening method also increases access and uptake, particularly for underscreened populations.
A cost-effectiveness analysis found that first-line MRI-based screening for prostate cancer is less effective and more costly than first-line PSA testing. Despite free MRI costs, the first-line approach resulted in increased false positives and overdiagnosis without substantial reductions in mortality.
This study found that lowering the fecal immunochemical test positivity threshold can achieve comparable sensitivity and specificity to the multitarget stool RNA test without additional testing. The findings are similar to previous observations with multitarget stool DNA testing, suggesting a potentially simpler screening method.
Researchers found that adding BRCA1 testing to prenatal carrier screening is cost-effective and can identify at-risk individuals before they develop cancer. The study simulated a cohort of pregnant patients and found that this approach could prevent 1,394 breast and ovarian cancer cases and 1,084 fewer deaths.
A recent study discovered a unique vaginal microbiome in patients with gynecological cancers, which could serve as a diagnostic biomarker. The researchers found a decrease in beneficial bacteria and an increase in potentially pathogenic microorganisms, leading to promising results for early detection.
The COVID-19 pandemic led to a decline in breast cancer screenings, particularly among older and racial minority women. A study analyzing real-world electronic health records found that follow-up screening rates decreased significantly during the pandemic, resulting in missed opportunities for early detection and treatment.
A study found that the risk of detecting cervical precancer eight years after a negative HPV screening was similar to the risk after three years after a negative cytology screening. Longer intervals between HPV screens showed lower risk of cervical precancer after six and eight years.
A recent Australian study found that 20% of prostate cancer patients were over-treated, receiving surgery despite limited life expectancy. The study suggests that cancer risk stratification is a primary determinant of treatment choices, with low-risk patients more likely to have active surveillance.
A novel gene cluster expression analysis was introduced to potentially expand treatments for more lung cancer patients. The study found that a gene cluster expression index can classify cancers with dramatically different recurrence risks, with higher risk groups suitable for targeted therapy or immunotherapy.
Experts say devolving responsibility to local organizations would spread resources thinly, compromising national oversight and increasing the risk of incidents going undetected. National quality assurance services have already been reduced, leading to fewer site inspections and potential problems not being picked up early.
A Kaiser Permanente study of 316,443 patients reveals that 7.4% repeated fecal testing instead of proceeding to a colonoscopy, and only 41% received a colonoscopy within one year of their initial positive test. Patients who repeated home tests cited concerns about colorectal cancer diagnosis
A study analyzed serum bile acid profiles in patients with colonic polyps and cancer, finding lower deoxycholic acid levels and higher taurocholic acid levels in those with colonic neoplasms. The study suggests a potential relationship between bile acid profiles and colonic neoplasms risk.
The study evaluated a breast cancer pre-screening solution using a smartphone-based thermal imaging sensor and AI, achieving high sensitivity and specificity. The tool helped detect breast cancers earlier, particularly in settings where mammography is not available or accessible.
A study of nearly 5,000 mammograms found that AI algorithms produced false positive results more frequently in Black and older patients, while Asian patients and younger patients were less likely to be flagged as suspicious. Healthcare institutions should consider the patient population they serve before purchasing an AI algorithm.
The study investigates the anticancer potential of CLK kinase inhibitors 1C8 and GPS167, which inhibit CLOCK kinases and affect cancer cell proliferation. The compounds also alter the expression and alternative splicing of transcripts involved in EMT and antiviral immune response.
A study led by the University of Pennsylvania School of Medicine found that offering patients a choice between colonoscopy and at-home tests more than doubled colorectal cancer screening rates. Approximately 10% of participants received colonoscopies, while around 11% completed at-home fecal immunochemical tests.
Researchers have developed a new method to detect malignant melanoma using a microneedle patch that measures tyrosinase enzyme levels in the skin. This non-invasive technique has the potential to provide faster and more reliable results compared to traditional biopsies.
A Mayo Clinic study of 492,597 patients with melanoma found that Black men are more likely to be diagnosed at later stages and experience worse outcomes due to the disease. In contrast, Black female patients fared better, with a higher survival rate for stage 3 melanoma.
A six-center case-control study investigated the association between miR-146a rs2910164 C>G polymorphism and Wilms tumor susceptibility in Chinese children. No significant relationship was found, suggesting no association with increased risk.
Researchers identified distinct differences between oral microbiomes of healthy patients and those with gastric cancer or pre-cancerous conditions. The findings suggest that oral bacteria could serve as biomarkers for gastric cancer risk, potentially leading to practice-changing tests and guidelines.
A new study reveals significant disparities in anal cancer risk among people with HIV across different US regions. The relative risk varies significantly depending on the region, with higher risks in the Midwest and South compared to the West and Northeast. Screening rates also differ between regions, with New York state leading the way.
Text messaging and bulk ordering can significantly increase mammogram completion rates for breast cancer screening outreach. The study found that these interventions are effective in improving adherence to recommended screening guidelines.
The prevalence of lung cancer mutations varies significantly across different ethnic groups in Latin America, highlighting the need for region-specific medical interventions. Enhancing molecular diagnostic and research efforts is crucial for effective management of cancer in this population.
A cohort study found that individuals with a first colonoscopy with negative findings for colorectal cancer may benefit from longer screening intervals, potentially up to 15 years. This could lead to fewer unnecessary invasive examinations and improved patient outcomes.
The USPSTF updates its breast cancer screening recommendation to biennial mammography for women ages 40-74. However, the balance of benefits and harms is unclear for women over 75 or those with dense breasts. Breast cancer is a common cause of death among US women.
The US Preventive Services Task Force recommends biennial breast cancer screenings starting at age 40 for all women, aiming to enhance early detection and tackle disparities. However, challenges remain in ensuring equitable access to screening technologies and addressing gaps in evidence regarding AI-powered image interpretation.
A cross-sectional study in Bangladesh found a low prevalence of high-risk human papillomavirus (HPV) genotypes among women, with significant regional variation. The study revealed higher infection rates in rural areas, particularly in Sylhet and Mymensingh divisions.
Cancer screening rates for breast, cervical, and colorectal cancer are significantly lower in US federally qualified health centers (FQHCs) compared to the general population. Screening use in FQHCs varies widely across states, with some achieving high rates while others fall below 35%.
A study published in the Canadian Association of Radiologists Journal shows an increase in breast cancer diagnoses among females in their Twenties, Thirties, and Forties. Younger women are more likely to be diagnosed at later stages and with more aggressive cancer.
A significant gap exists in the colorectal screening process, particularly after a positive stool-based test, where timely follow-up with colonoscopy is often lacking. This can lead to reduced incidence and mortality rates from colorectal cancer if addressed through education and quality measures.
A new study found that offering stop smoking support alongside lung cancer screening can significantly increase quit rates among high-risk individuals. Up to half of those who attend for lung cancer screening currently smoke, and dedicated funding is urged to provide this essential support.
The innovative Integrated Virtual Care (IVC) program successfully connected residents with family physicians in Renfrew County, addressing the rural shortage of primary care providers. Over 2,800 unique patient appointments were conducted, with 70% done virtually, offering comprehensive team-based primary care.
Researchers have developed a urine-based test that detects pieces of DNA fragments released by head and neck tumors, providing a non-invasive alternative to traditional blood-based biomarker tests. The test has been shown to detect cancer recurrences far earlier than would typically happen based on clinical imaging.
The PRECEDE study found that nearly 80% of participants in the highest-risk cohort completed baseline imaging, highlighting the feasibility of improving early detection and prevention for pancreatic cancer. Researchers recommend sorting individuals into three groups based on family history and genetic mutations to tailor surveillance.
A new three-step prostate cancer screening method can detect aggressive cancers while minimizing the detection of insignificant ones. The study found that this approach reduces unnecessary diagnoses and may lead to improved mortality rates.
Researchers developed an AI algorithm to identify normal mammograms and ran a simulation on patient data, revealing that AI can reduce unnecessary testing while maintaining cancer detection rates. The study suggests that AI can help doctors focus on more questionable scans, reducing false positives and improving workflows.
A new machine learning assay combines cell-free DNA fragment patterns and protein biomarkers to differentiate patients with ovarian cancer from healthy controls. The approach has shown high accuracy in detecting the disease, outperforming current biomarkers.
A culturally sensitive video addresses prostate cancer screening disparities in the Black community. The video increased knowledge and reduced uncertainty about screenings among over 600 men, leading to a 93% intent to undergo PSA screening.
A new study found that access to genomic testing for cancer is limited by factors such as test availability, patient information, and insurance coverage in both Japan and Switzerland. Despite universal insurance coverage, barriers persist due to differences in hospital accessibility, language barriers, and varying levels of reimbursement.
A systematic review of 41 randomized clinical trials suggests that late-stage cancer incidence can be a suitable alternative end point to cancer-specific mortality in some cancer types, but not others. This finding has implications for multicancer screening tests and may change the way these trials are designed.
A randomized clinical trial found that PSA screening compared to no routine screening resulted in a small reduction in prostate cancer deaths after 15 years. The absolute reduction in deaths was modest, but the finding suggests potential benefits of PSA screening.
The CAP trial found that PSA test screening led to a small reduction in prostate cancer deaths, but also resulted in overdiagnosis of 1 in 6 cancers. The study suggests that the benefits of screening do not outweigh the potential harms.
In a preliminary report from an ongoing clinical trial, prostate cancer screenings using PSA, Kallikrein Panel, and MRI detected higher rates of cancer compared to no screening. The study found one additional high-grade cancer per 196 men and one low-grade cancer per 909 men were detected in the screened group.