Articles tagged with Mammography
A dual-headed dedicated gamma camera used during molecular breast imaging (MBI) can accurately detect small breast tumors less than 2 cm in size. The sensitivity rate of dual-head MBI was found to be 90%, detecting 128 cancers in 88 patients with suspicious lesions smaller than 2 cm.
A study found breast cancer rates increased in women screened every two years compared to those screened once, suggesting some cancers may spontaneously regress. The findings raise concerns about the value of mammography and highlight the need for further research into breast cancer's natural history.
A new study found that many African-American women perceive disrespect and inadequate explanations when visiting healthcare facilities, leading them to skip mammograms. The study suggests training physicians in cultural sensitivity and community-based health educators can help address these concerns.
A new radar breast imaging system has been developed at the University of Bristol, which uses radio waves to create a 3D image of the breast without radiation risk. The system has been trialled at North Bristol NHS Trust and shows promise in detecting abnormalities earlier than current methods.
Scientists have developed a new X-ray technique called Analyzer-Based X-ray Imaging (ABI) for early breast cancer detection, offering high spatial resolution and sensitivity. The technique has shown promising results in distinguishing microcalcifications and improving the definition of tumor shapes and margins.
A recent study found that convenience to home or work is a major reason patients switch mammography providers, with 37% citing this as the primary factor. The study also revealed that patients value factors such as doctor referral and quality of care when choosing a mammography provider.
A new study finds that a topical application of 4% lidocaine gel significantly reduces breast discomfort during mammography. Women who received the gel reported less pain and were more likely to undergo regular screening, with 88% indicating they would definitely get a mammogram the following year.
A study found that certain mammography facility characteristics, such as breast imaging specialists and screening/diagnostic services, are associated with improved interpretive accuracy. The analysis of 44 facilities performed over 484,463 screenings revealed variations in cancer detection rates between locations.
A clinical trial found that adding ultrasound screening to mammography increases the detection of breast cancer, but also raises the risk of false positive findings and unnecessary biopsies. The study suggests that women at high risk of breast cancer may benefit from supplemental ultrasound screening.
A multicenter trial found that breast ultrasound combined with mammography detected more cancers than mammography alone in high-risk women. The study used over 2,800 participants, including 40 diagnosed with breast cancer, and showed that breast ultrasound is a cost-effective and non-invasive screening option.
A study found that adding ultrasound to mammography for high-risk women increased cancer detection by 4.2 cancers per 1,000 women, while also increasing false-positive results by 10.4%. The diagnostic accuracy of combined screening was higher than mammography alone
A new study emphasizes that six-month short-interval follow-up examinations can accurately detect cancers in patients with 'probably benign' breast lesions, resulting in high sensitivity. This approach avoids unnecessary biopsies and ensures timely cancer detection.
Regular mammograms significantly decrease the risk of late-stage breast cancer in women 80 and older, with only about one-fifth receiving them. The study found that each mammogram performed was associated with a further reduction in late-stage disease risk.
Researchers found that regular mammograms significantly reduce the risk of being diagnosed with advanced stage breast cancer in women over 80. Women who received mammograms were more likely to be diagnosed with early-stage disease and had a higher five-year survival rate compared to non-users.
Research suggests mammograms are effective for women aged 70-75, with a lower mortality rate compared to earlier age groups. The best interval for screening is every three years, which has been shown to be an appropriate upper age limit and saves lives without causing harm.
A study by Baystate Health found that using mammography and sonography together can exclude breast cancer in 98% of patients. However, some cases may remain undiagnosed due to dense tissue or late detection.
Elderly patients over 70 years old benefit from frequent mammograms, which can detect breast cancers earlier and reduce surgical procedures. The study found that 19 of 24 cases of breast malignancy were initially identified on screening mammography.
A large randomized trial of personalized interventions found that two behavioral interventions did not significantly increase regular mammograms in female veterans. The study's findings support the generalizability to the US female population, which has seen a decline in mammography rates. Meanwhile, another study suggests that viral D...
A recent study published in Archives of Internal Medicine found that combined hormone therapy significantly increases the risk of abnormal mammograms and breast biopsies, compromising their diagnostic performance. The research involved 16,608 post-menopausal women and revealed a four percent greater risk of mammogram abnormalities afte...
A study of post-menopausal women found that hormone therapy increased the risk of abnormal mammograms and breast biopsies, while also decreasing the effectiveness of these methods for detecting breast cancer. The therapy may delay diagnosis and increase breast density, which can lead to a higher risk of breast cancer.
A study by Charlotte Radiology found that single reading of screening mammograms with computer-aided detection (CAD) is more efficient and yields higher sensitivity than double reading. The use of CAD resulted in a lower recall rate compared to double reading, making it an effective alternative for increasing sensitivity.
A national study found digital mammography performed better than film in pre- and perimenopausal women under 50 with dense breasts. The study, DMIST, also showed improved diagnostic accuracy for digital mammography over film for some subgroups.
A new study published in Radiology found that digital mammography is more accurate than film mammography for women under 50 with dense breasts. The Digital Mammographic Imaging Screening Trial (DMIST) compared the accuracy of both methods in different subgroups, confirming improved diagnostic accuracy for digital mammography in pre- an...
A study by Brown University and Harvard Medical School found that health insurance co-payments significantly reduce mammography use among women. The researchers analyzed data from Medicare managed-care plans and found a 8-11% decrease in breast cancer screening rates among women with co-payments, compared to those with full coverage.
A study found that targeted digital mammography screening can be cost-effective for younger women with dense breasts, while conventional film mammography may be more effective for older women. Additionally, labeling epinephrine as a dose or ratio affected dosing errors among doctors.
Researchers discovered that cone-beam breast CT provides exceptional tissue contrast and can reduce examination time with comparable radiation dose to conventional 2D mammography. The study found well-resolved images of skin, adipose, and glandular regions, as well as clear detection of microcalcifications within cancers.
A Mayo Clinic program has reduced delays between abnormal mammograms and diagnosis, improving outcomes for women with cancer. The clinic's multidisciplinary breast clinic helped overcome barriers such as lack of transportation and childcare, providing timely care to underserved women.
A study published in the Journal of the National Cancer Institute found that diagnostic mammogram readings vary extensively by radiologist, with no explanation for the variation. Radiologists' performance was influenced by their experience, affiliation, and time spent interpreting mammograms.
A nationwide study found that diagnostic mammogram accuracy depends on the radiologist reading it, with varying sensitivity and false-positive rates. Radiologists based at academic medical centers or spending most time on breast imaging performed more accurately.
Stereo mammography has been shown to reduce false positives by 49% compared to standard digital mammography, potentially cutting the number of women recalled for additional tests. The technology produces three-dimensional views of breast tissue, allowing radiologists to better interpret images and detect cancer earlier.
A new radiological diagnostic tool called stereo mammography reduces false-positive findings by 49% and missed lesions by 40%. The technology cuts the number of women recalled for additional tests in half, eliminating anxiety for patients and their loved ones.
A survey of 1,011 women found that ethnic background influences preferences regarding breast cancer screening for early detection. Black and Hispanic women tend to prefer recall over earlier detection, while Caucasian women prioritize earlier detection.
A study by Nicholas M. Perry found that urban women have denser breasts and are nearly four times more likely to develop breast cancer than rural women. Regular breast screening with digital mammography is advised for all women, especially those with dense breast tissue.
Approximately 44.4 million US adults receive preventive health examinations annually, with 20.9% of the population participating in both genders. Preventive services such as mammograms and cholesterol screening are provided at 52.9% of these visits.
A recent decline in breast cancer incidence is attributed to a drop in postmenopausal hormone therapy use. This finding contradicts the assumption that decreased mammography screening is responsible for the decline.
Researchers at the University of Bonn found that MRI is substantially more accurate than mammography in detecting very early stages of breast cancer, including preinvasive DCIS. The study detected 167 cases of early breast cancer, with MRI identifying 152 cases and mammography detecting only 93 cases.
A study found that MRI outperformed mammography in detecting breast cancer in its earliest stage. Women diagnosed with ductal carcinoma in situ (DCIS) using MRI had a higher sensitivity than those detected by mammography.
A study published in the Journal of the National Cancer Institute found that adding readings by non-physician technologists to standard mammograms read by two radiologists increased breast cancer detection rates by 6.8%. This improvement was achieved with a minimal increase in false positives.
A new Kaiser Permanente study suggests a possible link between breast cancer incidence and postmenopausal hormone therapy (HT) use, but concludes that the association is complex and influenced by various factors, including mammography screening rates. Long-term HT may slightly increase breast cancer risk, particularly in younger women.
A study by the Cancer Research Network found that regular post-therapy surveillance lowers the rate of death from breast cancer in older women. The researchers examined nearly 2,000 patients age 65 and older with stage I and II breast cancer and found that annual mammograms can decrease death rates.
A study found that breast MRI altered surgical management in 36% of patients, changing the plan from lumpectomy to mastectomy or increasing tissue removal. The change was beneficial in 22 cases, suggesting breast MRI may play a role in staging newly diagnosed breast cancers.
A new study reveals that mammography rates have declined significantly in the US between 2000 and 2005, with a notable decrease among women aged 50-64 and higher socioeconomic levels. The decline in screening rates coincides with a reduction in reported breast cancer incidence, raising concerns about potential impact on mortality rates.
A study published by American College of Radiology found CAD with CR detects 47 of 53 breast cancers, surpassing film screen mammography in dense and small lesion cases.
Scientists have found a new hereditary breast cancer gene, TWIST1, linked to Saethre-Chotzen syndrome, increasing breast cancer risk by nearly twenty times. Early mammograms are now recommended for young women with the syndrome to detect breast cancer at an early stage.
The American College of Physicians released a guideline for mammography screening in women between ages 40 and 49, emphasizing the need for individualized decision-making based on risk factors. The guidelines also highlight the uncertainty surrounding long-term effects of false-positive screening results on women's behavior.
The American College of Physicians recommends that clinicians assess each woman's breast cancer risk profile before making a decision about screening mammography. Women between 40-49 years old should weigh the potential benefits and harms of screening, discussing their concerns with their doctor to make an informed choice.
The American College of Physicians recommends that mammography screening decisions be made on a case-by-case basis, considering each woman's individual cancer risk and preference. The new guidelines acknowledge the benefits and harms of screening, recommending periodic assessment of breast cancer risk to inform decision-making.
A Mayo Clinic study found that using computerized reminders can increase mammography screening rates, with 64.3% of women in the intervention group getting a yearly mammogram compared to 55.3% in the control group. The program has expanded beyond mammograms to include other preventive services.
Researchers have developed a new contrast agent that selectively targets and highlights malignant micro-calcifications in the breast, while ignoring similar calcifications found in benign breast conditions. This technique has the potential to improve breast cancer diagnosis by reducing false positives and increasing detection rates.
A Yale University study found that black women are more likely to experience inadequate communication of mammogram results, leading to reduced benefits. The researchers noted that cultural and social dynamics may contribute to these disparities.
A study found that viewing prior mammograms alongside current mammograms significantly improves radiologist performance and reduces unnecessary recalls. The use of prior mammograms recorded on film in comparison with digital mammograms poses a challenge, but limiting their availability may balance medical benefits with effort.
Researchers at Mayo Clinic have developed a new gamma camera technique that can detect breast tumors as tiny as one-fifth of an inch in diameter with 88% accuracy. The device is sensitive enough to identify small cancers that were not found by mammography, and may be more comfortable for women due to less pressure needed during imaging.
Researchers found that breast cancer in men is rare and can often be detected on physical examination. In most cases, a mammogram is not necessary for confirming gynecomastia diagnosis.
A recent study found that annual breast screening for women aged 40-49 years may not have a significant net benefit, with only a 17% decrease in breast cancer mortality. Additionally, the trial discovered a higher rate of false positive results among younger screened women compared to those over 50.
A study of 160,000 women screened in their 40s compared to those in their 50s found little change in estimated overall survival. The authors conclude that the benefits of early detection may outweigh the risks of radiation-induced breast cancer, but the uncertainty remains too great to make a definitive recommendation.
A recent study by Group Health Research Institute shows that computer-assisted detection (CAD) technology improves mammographic specificity by 3%, allowing 30 women to avoid further evaluation. However, CAD does not affect overall sensitivity and may lead to deferral of radiologists' own judgment.
A new project delivers mobile digital mammography services to remote reservations, transmitting images via satellite for real-time interpretation. The initiative aims to improve breast cancer screening and care for rural American Indian women, who face high mortality rates.
U-M researchers found that digital mammograms transmitted via satellite to radiologists in Ann Arbor, Mich., resulted in improved delivery of traditional mobile mammography services. The service allowed Native American women to receive timely follow-up care, with 72% of those needing additional images getting tested within three days.
The Cone Beam Breast Computed Tomography (CBBCT) scanner produces three-dimensional pictures of breast anatomy to distinguish benign lesions from tiny cancers. The pilot study showed promising results, with one case demonstrating a cancer that was hard to detect on a mammogram.
A study found that elderly women, those with public health insurance, and those who don't visit obstetricians regularly are less likely to receive clinical breast exams and mammogram recommendations. Regular clinical breast exams can detect breast cancer at an early stage, making them comparable to yearly mammograms.