Articles tagged with Mammography
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A new model developed by scientists from Group Health and seven other health care organizations finds that breast density is a significant predictor of breast cancer risk, with women having highly dense breasts facing nearly four times the risk as those with fat-filled breasts. The study analyzed data from over 1 million women and iden...
Researchers have developed a Google-like system to analyze mammogram images, using principles of information theory and entropy-based indexing. The system reduces processing time for computer-assisted detection systems by one-fourth, allowing for more efficient diagnosis.
A new study by Northwestern Memorial Hospital reveals digital mammography reduces technologists' acquisition time by 35% and increases physician interpretation time by 57%, sparking discussions on balancing financial goals with patient care.
A new study reveals that older American women, particularly those from minority groups, receive significantly lower rates of mammogram screening than previously reported based on self-reported data. The study analyzed national Medicare data and found that the rate of screening among non-white women is substantially lower than that for ...
A study found that near 100 percent mammography recall compliance can be achieved with minimal additional cost, saving healthcare dollars. The program involved tracking down noncompliant patients and resulted in one early curable breast cancer diagnosis, justifying the low cost of 16 cents per screening patient.
A U-M study found that non-invasive ductal carcinoma in situ (DCIS) can be effectively treated with lumpectomy and radiation, with only 8% of women experiencing recurrence. Regular follow-up mammograms are a reliable way to detect any return of cancer.
A survey of 397 women found that 16% believed their risk of breast cancer was 50% or higher, and most thought mammograms could detect all cancers. The study identified pain experience, emotional distress, anxiety, and satisfaction with healthcare as significant predictors of repeat mammography behavior.
A study of 797 breast cancer survivors found that only 33% received a mammogram each year over the five years after treatment. Regular mammography for breast cancer survivors declines steadily within five years of treatment, highlighting the need to increase awareness among healthcare providers and patients.
A six-year study analyzing data from 1 million mammograms reveals racial and ethnic disparities in breast cancer screenings. African-American women are more likely to have inadequate screening before diagnosis, whereas Asian and Native American women tend to underutilize mammography, leading to higher advanced-stage tumor rates.
Researchers found no association between mammography and increased risk of breast cancer in women with BRCA mutations. The study suggests that screening may be safe for this high-risk group, but prospective studies are needed to confirm the results.
A study of 3,828 older women diagnosed with stage I or II breast cancer found that mammography rates were significantly higher among those receiving shared care, which included primary care physicians and specialists. The study suggests that this approach can lead to better quality care for breast cancer survivors.
Researchers have discovered that compressing digitized mammograms using file-compression techniques improves their interpretability by radiologists, allowing for remote screenings in underserved communities. The compression method retains essential features that are crucial for cancer diagnosis.
Researchers at UC Davis found breast CT images to be equivalent and potentially better than standard mammography for detecting breast cancer. The technology requires no breast compression and uses similar radiation doses as mammography.
A new study has shown that transmitting full-field digital mammography images over the internet can be done without compromising accuracy or security. The study, which included 1,314 diagnostic screening mammograms, demonstrated the feasibility of regional interpretation centers to improve breast cancer screening access and accuracy.
A new technology called tomosynthesis has been shown to decrease false-positive screening mammography findings by half, allowing for more accurate detection of early breast cancers. In a study of 98 women, tomosynthesis was found to be as good as or better than diagnostic mammography in 88% of cases.
A new study found that a computer-aided mammography detection system increased the detection rate of small invasive cancers by 164% in younger women. The CAD system helped detect these cancers more than five years earlier than without it.
A landmark breast cancer screening trial conducted by UVa Health System found no significant difference between digital and standard x-ray mammography in detecting breast cancer. The trial, DMIST, enrolled nearly 50,000 women and used both digital and film mammograms.
The Digital Mammographic Imaging Screening Trial found that digital mammography improves breast cancer detection in high-risk populations. The study's results corroborate NCI's commitment to exploring advanced technologies to detect cancer earlier and improve outcomes.
The Digital Mammographic Imaging Screening Trial found that digital mammography is as good as film mammography in detecting breast cancer, but may be better for younger women. The study analyzed data from 49,528 women and provides some of the best data gathered on mammogram diagnostic accuracy.
A study in New Hampshire found that many women, especially older ones, are not getting regular mammograms. The researchers used registry data to track actual use, finding 36% of women over 40 had never had a mammogram or hadn't had one in 27 months.
A recent study published in the American Journal of Roentgenology found that batch reading mammograms results in lower recall rates and accurate cancer detection. The research analyzed 9,522 screening mammograms, with 1,538 interpreted by batch reading, showing a 20.1% to 16.2% decrease in recall rates.
Researchers found that breast cancer detected by mammography has a substantially better survival prognosis, even after adjusting for stage of disease and tumor characteristics. The study suggests that this is due to the detection of slower-growing tumors, which are more likely to be node-negative.
A Duke University study found that obesity is associated with lower rates of mammograms, Pap smears, and flu shots among middle-aged women and the elderly. Despite knowing the risks, obese individuals are less likely to receive preventive services due to social stigma, avoidance of healthcare, and bias from providers.
A Mayo Clinic study found that breast biopsy utilization rates remained stable over a 12-year period despite the introduction of new technologies. The study also showed that the ratio between malignant and benign results remained stable at one malignancy for every 2.2 benign results.
A study of 124 radiologists found that concerns about medical malpractice led to a significant increase in recommendations for breast biopsies and diagnostic testing. The majority of women who undergo additional testing after a screening mammogram do not have cancer, highlighting the need to balance detection rates with patient anxiety.
A survey of women aged 40-44 found they value logistical, harm, and benefit information before their first screening mammogram. Women prefer to participate in the decision-making process, with some preferring clinician input.
A recent study by ECRI found that digital mammography does not significantly improve breast cancer detection rates compared to traditional X-ray imaging. While the new technology may offer some incremental benefits, such as reduced radiation exposure, its cost-effectiveness and diagnostic accuracy need further evaluation.
A study by Dr. Sughra Raza found that digital mammography reduced call-back rates by 1.2% compared to conventional films, resulting in lower patient anxiety and associated costs. The switch from conventional to digital mammography also led to a decrease in patients needing additional imaging tests.
Research found that MRI was nearly twice as sensitive as X-ray mammography in detecting breast cancer in high-risk women. Combining both methods increased detection to 94%. Women with the BRCA1 gene mutation saw a significant boost in tumor detection, making MRI an effective screening tool.
A spinoff company has received a $2.5 million NIH grant to build a prototype scanner that can detect early-stage breast cancers with high accuracy, potentially changing medical practice in breast imaging. The scanner uses Cone Beam CT technology to eliminate structural overlap and capture clearer images of small tumors.
The breast CT scanner developed at UC Davis has reached clinical testing and shows promise in detecting breast tumors earlier than mammography. The technology requires no breast compression and takes images of virtual slices to provide a detailed view of breast tissues.
A study found that lack of accurate knowledge of insurance coverage, rather than actual costs, deters many women from getting screened. More than half of participants identified cost as a barrier to screening, with those who misunderstood their coverage being more likely to do so.
A new study found that nearly half of women perceived mammography screenings as unaffordable due to misperceptions about insurance coverage. The researchers suggest that private insurers can play a significant role in reducing these misconceptions by providing better educational efforts.
A telephone survey found that celebrity endorsements increased awareness and likelihood of certain cancer screenings, including mammography, PSA testing, and sigmoidoscopy. The study highlights the complex decision-making process around cancer screening, suggesting a need for celebrities to inform rather than persuade the public.
A 2001-2002 survey of 45 mammography facilities in three states found that 44% did not have enough radiologists on staff, and 46% reported difficulty maintaining qualified technologists. Scheduling delays for diagnostic and screening mammograms were common, with some facilities reporting waits of up to four weeks.
The PEM unit detects breast cancer by pinpointing tumors with increased glucose metabolism, outperforming mammography in dense breast tissue. The device uses fluorodeoxyglucose to identify cancerous lesions, with 18 of 20 detected abnormalities proven to be cancerous.
Physician experience and annual mammogram volume are associated with improved mammographic accuracy, according to a US study. Physicians who interpret 2,500-4,000 mammograms annually have lower false-positive rates and miss fewer cancers compared to those with less volume.
A study of over 1.2 million mammograms found that experienced physicians detected cancer with higher accuracy and had lower rates of false positives. The research suggests that raising the minimum annual volume requirements for qualified mammographers could improve the overall quality of screening mammography in the US.
The mathematical model developed by Sandra Lee and Marvin Zelen provides quantitative predictions of the mortality benefits of different screening schedules. The study suggests that annual screenings from age 50 to 79 can reduce mortality by 37%, while starting mammograms at age 40 reduces overall risk of death by five percent.
A study of 61,688 women found that adding clinical breast examination to mammography screening detected an additional 25 cancers, but also led to false positive reports and increased biopsies in women with dense breasts
A study of 150 subjects found that listening to a relaxation tape prior to and during mammography did not decrease women's feelings of pain and anxiety. In fact, virtually none of the participants experienced pain or anxiety during the test, contradicting previous studies that attributed non-compliance to pain.
An observational study found no increased risk of late-stage breast cancer for women screened every 2 years, except for those in their 40s. Annual screening may also not benefit women with dense breasts.
An international trial found that breast MRI significantly detected more cancers than mammography in high-risk young women with dense breast tissue. The study recommended MRI as a supplement to mammography for this group, improving cancer detection and potentially reducing mortality rates.
A study found that African-American and Native American women had less information and more inaccurate beliefs about breast cancer screening compared to Caucasian women. Women cited pain, embarrassment, and lack of time as major reasons for not getting screened, highlighting the need for targeted interventions.
A study found that late-stage breast cancer cases were often associated with an absence of screening, followed by absence of detection or a potential breakdown in follow-up care. Women from lower socioeconomic backgrounds and those without a family history of breast cancer were more likely to be in the absence-of-screening group.
A study found that women without recent mammograms were more than twice as likely to be diagnosed with late-stage breast cancer. The research highlights the importance of regular screenings, particularly for underserved populations.
A recent study has found that combination hormone therapy doubles breast density and quadruples the risk of abnormal mammograms. The study, led by Anne McTiernan, involved 413 postmenopausal women and showed a significant increase in breast density among older participants.
Research found that breast density and rapid tumor growth significantly affect mammography's ability to detect cancer in women aged 40-49. To address this issue, the study suggests adjusting screening intervals for these high-risk groups.
A study by the American College of Radiology found that MRI detected more malignant lesions than mammography in women with breast cancer, including larger and more aggressive cancers. The research suggests using MRI to identify potential cancerous areas and downsize mastectomies for some patients.
A study of 236 women with BRCA1 and BRCA2 mutations found that MRI screenings detected 77% of cancers, compared to 36% for mammography. The addition of annual MRI and ultrasound to mammography improved the sensitivity of breast cancer surveillance.
A study of 72,417 women found that many began mammography between ages 35-40 and delayed follow-up. Women without insurance or a primary care doctor faced longer delays in starting screening. The authors suggest encouraging prompt return to screening may be more critical than initial start.
A study by Solveig Hofvind and colleagues found that women who undergo biennial mammography between ages 50-69 have a 20.8% cumulative risk of false positive recall after 20 years. This risk is lower for benign procedures, with only 1 in 66 women requiring a core biopsy and 0.9% undergoing open biopsy.
A study by University of Toronto researchers found that only 38.5% of Urdu- and Hindi-speaking women had undergone a clinical breast examination, despite 83% being aware of the procedure. The study highlights gaps in knowledge about breast cancer risk and screening methods among South Asian immigrant women.
Recent court cases show patients sued doctors for delayed breast cancer diagnosis, with average awards being $250,000. Dr. Berlin argues that mammography is not perfect and overzealousness in radiology communities led to unfounded fears among women.
Despite significant declines in breast cancer death rates due to mammography, one in three American women over 40 has not had a mammogram in the last two years. Mammography is the best screening tool for early detection of breast cancer, and Dr. Feig emphasizes its importance regardless of age.
A recent study found that computer-aided detection (CAD) software can identify 71 percent of missed breast cancers on mammograms. CAD marked tumors as suspicious, leading to earlier detection and potentially better patient outcomes.
Four clinical trials are underway to determine the effectiveness of digital mammography, ultrasound, and MRI in detecting breast cancer and preventing deaths. These non-radiation based techniques could lead to a lower screening age and increased regular screenings for high-risk women.
A study found that only 6% of women received ten mammograms, and disparities in usage were seen among Hispanic, African-American, and Asian women as well as those from lower economic status. Regular mammograms significantly reduce breast cancer death risk, highlighting the need for improved screening adherence.
A recent study found that obese postmenopausal women are more likely to be recalled for additional tests after screening mammographies, with women in the obese category II and III groups being 31% more likely to be recalled. Obese women also experience a 20% increased risk of false-positive mammogram results compared to underweight and...
A recent study found that even health-conscious women are more likely to have had a mammogram or Pap smear than undergone a colonoscopy. Doctors suggest using breast cancer screening appointments as an opportunity to educate women about colorectal cancer risk and increase awareness.