Articles tagged with Radiology
Researchers from Loyola University Health System warn that the surgical gel FloSeal may cause microcalcifications on mammograms after breast cancer surgery. The study highlights the need for caution when using FloSeal in lumpectomies to avoid misdiagnosis.
A computer-based model has been developed to aid radiologists in diagnosing breast cancer by analyzing mammogram images. The model was trained on 48,744 mammograms and found that it could detect 41 more cancers than routine practice, with potential benefits including reduced unnecessary biopsies.
Physicians can reduce radiation exposure by using tube current modulation in 'triple rule-out' coronary CT angiography. This technique reduces effective radiation doses from 9.9-31.3 mSv to 5.4-16.6 mSv, comparable image quality and less than nuclear stress test radiation.
A study at the University of Erlangen found that reducing tube voltage from 120 kV to 100 kV lowered cardiac CT radiation doses in adult patients weighing 185 pounds or less by 39% without compromising image quality. The lower dose resulted in effective radiation doses ranging from 4.9 to 11.9 mSv, compared to 8.8 to 16.9 mSv at 120 kV.
Alfred Kurtz, MD, receives the William J. Fry Memorial Lecture Award for his significant contributions to diagnostic medical ultrasound. Dr. Kurtz has published over 150 peer-reviewed papers and written several books on ultrasound.
Using CT imaging, researchers have uncovered hidden details in the Nefertiti bust, including two subtly different faces and varying layers of stucco. The findings provide valuable information for conserving the statue, highlighting vulnerable areas that require careful handling to prevent damage.
The American Institute of Ultrasound in Medicine (AIUM) has recognized Fred Winsberg, Martin Resnick, and Horace Thompson as pioneers in the field of ultrasound in medicine. Drs. Winsberg and Resnick were renowned experts in radiology and urology, respectively, while Dr. Thompson is considered the
The Society of Interventional Radiology honored Dr. Matthew A. Mauro for his extraordinary contributions to interventional radiology. He was awarded the Dr. Charles T. Dotter Lecture and received the SIR Foundation Award for Distinguished Service. Additionally, three individuals - Andreas Adam, Vincent P. Chuang, and Thomas A. Sos - we...
A new study using a seaweed-based capsule and firefly-inspired bioluminescent agents successfully delivered therapeutic stem cells to treat peripheral arterial disease (PAD) in rabbits. The breakthrough could pave the way for targeted stem cell treatments for patients with PAD, which affects millions of Americans.
Researchers found that drug-eluting stents significantly improved patency rates and reduced restenosis in patients with critical limb ischemia. At three years, 60% of treated arteries remained open in the drug-eluting stent group, compared to 10% in the bare-metal stent group.
Researchers found that up to 45% of individuals without known heart disease had abnormal ankle brachial index values, indicating peripheral arterial disease. This could improve cardiovascular risk prediction and identify high-risk patients for intensive medical therapy.
Researchers have successfully tracked and confirmed the survival of stem cells in the body using a firefly-like bioluminescence imaging agent. This innovative technique enables precise targeting of stem cell delivery to specific blood vessels, opening new hope for treating peripheral arterial disease.
A new study found that endovascular repair is effective and durable with low re-intervention rates comparable to open surgery. The minimally invasive procedure redirects blood flow and stops pressure on the weak aortic wall, avoiding major abdominal surgery.
Minimally invasive treatments using embolization effectively control life-threatening bleeding in women after C-sections, reducing the need for blood transfusions and hospital stays. Interventional radiology also helps women with invasive placenta by stopping excessive bleeding and potentially eliminating the need for a hysterectomy.
A new minimally invasive treatment, cryoablation, is nearly 100% effective in destroying localized kidney tumors. This procedure is a viable option for patients with small or large tumors and offers quicker recovery and minimal limitation on regular activities.
Osteoplasty provides immediate and substantial pain relief for metastatic bone disease patients, often referred to as the 'Lazarus effect'. The procedure involves injecting bone cement into weakened bones, improving quality of life and allowing patients to resume daily activities.
Researchers found that ozone treatment can relieve herniated disk pain by reducing disk volume, resulting in improved pain and function outcomes. The treatment's complication rate is less than 0.1 percent and recovery time is significantly shorter compared to surgery.
Researchers found that arteriovenous (AV) fistulas are the preferred access method for dialysis treatment at any age, with no significant difference in patency or openness between elderly and younger patients. AV fistulas allow continuous high volumes of blood flow, enabling efficient dialysis treatments.
Focal cryoablation, a minimally invasive treatment, is as effective as surgery in destroying diseased tumors and can be considered a first-line treatment for patients of all risk levels. The use of 3-D transperineal mapping biopsy heavily impacted how patients' disease was managed in 70 percent of cases.
A study found that nearly one-fifth of trauma patients have incidental CT findings, associated with age, injury severity score, and mechanism of injury. The study highlights the need for physicians to pay attention to detail in diagnosing and managing these findings.
A new computer-aided method using MDCT detected and measured 83 pneumothoraces with high accuracy, outperforming manual volumetric measurements. The system reduced measurement time from 30 minutes to just three minutes.
The Society of Interventional Radiology will present research on treatments for kidney, prostate, bone cancer, herniated disks, and more at its 34th Annual Scientific Meeting. The meeting will showcase innovative interventional radiology studies and treatments.
A new study found that women who wait for breast biopsy results experience biochemical changes, affecting wound healing and the immune system. The researchers hope to encourage faster analysis and communication of biopsy results.
Researchers identified a distinct brain atrophy pattern in patients with mild cognitive impairment (MCI) that predicts a higher risk of progressing to Alzheimer's disease. This pattern involves widespread cortical atrophy in areas beyond memory centers, indicating potential decline in cognitive function.
Researchers analyzed MRI test results of 109 ischemic stroke patients and found that up to 9 hours after symptom onset, a diffusion-perfusion mismatch may still benefit from thrombolytic therapy. This extends the traditional treatment window, potentially saving more lives.
Dr. Vivian S. Lee, inaugural vice dean for science at NYU Langone Medical Center, has been recognized for her transformational leadership and commitment to mentoring aspiring scientists. She has overseen significant research growth and established multiple centers of excellence.
Mammography utilization in the US declined slightly between 2000 and 2006, with 34 states showing a decrease, according to a CDC study. The decline ranged from -0.3% to -5.3%, with no clear pattern among states by region, age, income or population density.
Patients with intermittent claudication may benefit from supervised exercise instead of revascularization. After six and 12 months, patients experienced similar improvements in functional capacity and quality of life scores.
A study by the University of Washington found that radiologists' perceived risk of malpractice lawsuits was four times higher than actual risk. This led to increased use of defensive medicine and potentially contributed to workforce shortages in breast imaging.
A study forecasts drastic reductions in mammography professionals per woman age 40, threatening early detection rates for breast cancer. The number of radiologists and technologists is projected to decline significantly over the next 15-20 years.
A new technique combining CT with fiber-coated surgical microcoils successfully locates and removes small lung nodules using video-assisted thoracoscopic surgery. The procedure results in less pain and faster recovery times compared to traditional thoracotomy, allowing patients to return to work within two to three days.
A study by Stanford University School of Medicine found that an 11-gauge needle is more effective in breast biopsy procedures compared to a 14-gauge needle. The results showed significantly fewer false-negative diagnoses with the 11-gauge needle, which also produces larger and more accurate specimens.
A study using 3T MRI found 41 of 51 wrist ligament tears detected by arthroscopy. The imaging technique provides a roadmap for surgeons during procedures and may eliminate surgery for those with normal findings.
A study published in the American Journal of Roentgenology found that MR arthrography was more accurate than conventional MRI in diagnosing shoulder tears. The procedure improved detection rates for various types of tears, including labral and supraspinatus tendon tears.
A recent study by the American College of Radiology found that digital mammograms require nearly twice as long to interpret as film-screen screening mammograms. The study identified factors contributing to the difference in time, including the interpreting radiologist's identity and age of available studies.
A study published by the Radiological Society of North America (RSNA) reports on the successful diagnosis and removal of self-inflicted foreign objects from adolescents. The minimally invasive procedure allowed for safe and precise removal of embedded objects with minimal scarring.
The NHS must make substantial changes in administration and management structure to effectively manage top-up payments and keep accurate records of patient care. The cost of drugs is not the only cost to the NHS, as patients who purchase drugs and stay in the hospital reduce resources for all remaining patients.
A study found that including patient photos with medical images boosts radiologists' attention to detail and empathy towards patients. The researchers concluded that adding photos can lead to better diagnosis accuracy and should be adopted into routine practice.
A portable eight-slice computed tomography (CT) scanner has been found to significantly increase the number of stroke victims who receive life-saving thrombolytic therapy. The scanner's availability reduced treatment delay by 54% and is expected to boost recovery rates.
A recent study using MRI scans has identified new types of injuries in young gymnasts, including necrosis of the bones in their knuckles. The research suggests that these injuries may develop into early osteoarthritis if left untreated, highlighting the need for changes in practice routines to reduce joint stress.
A study found that male breast cancer presents as irregular masses with spiculated margins, often accompanied by armpit lymph node involvement. Doctors stress the importance of imaging and early treatment for accurate diagnosis.
A large study found that cardiac CT scans can effectively assess coronary artery stenosis with a high sensitivity rate of 98% and specificity of 91%. This non-invasive technique may avoid the need for invasive catheter angiography in patients with intermediate clinical probability of coronary artery disease.
Multidetector CT cystography successfully detects urinary leaks after prostatectomy with a detection rate of 80.4%, outperforming conventional cystography in accuracy. This non-invasive imaging technique helps clinicians create personalized treatment plans, potentially reducing long-term complications like urinary incontinence.
A study published in the Journal of Ultrasound in Medicine found that portable ultrasound was clinically beneficial in urban and rural settings in Ghana. The technology offered a range of applications, including musculoskeletal, obstetrical, and abdominal examinations, with 81% of performed ultrasounds being abnormal.
A study published in Clinical Oncology found that funding decisions for cancer patients with exceptional circumstances are influenced by their location rather than their health needs. This has led to a postcode lottery, where some patients receive funding while others do not, despite similar circumstances.
A study found a significant increase in radiology tests in managed care settings, with an average cost per patient increasing by $214 over 10 years. Newer technologies like CT and MRI scans also saw a rise, but their use was not as efficient as expected.
A recent study found MDCT scans correctly identified 29 of 30 complications in patients with airway stents. The non-invasive imaging test has the potential to replace bronchoscopy for routine surveillance and early detection of complications.
A study found cone-beam CT to be highly sensitive and specific in detecting cortical defects before and after percutaneous vertebroplasty, comparable to MDCT. Cone-beam CT also identified cement leakages without the need for additional radiation exposure.
A new theoretical model has been developed to estimate radiation skin doses during CT-guided interventional procedures, which can be used in real-time to optimize techniques and minimize the risk of radiation injuries. The results indicate accurate estimation of peak skin doses using this model.
A study found that surgical removal of small colon polyps is not necessary due to low risk of cancer development. The study suggests that imaging surveillance for isolated small polyps detected during CT colonography may be an alternative to unnecessary colonoscopy procedures.
A new study published in Radiology found that 3-D power Doppler ultrasound can accurately distinguish between malignant and benign breast masses. The technique detects higher flow velocities in malignant tumor-feeding vessels, making it a potentially useful tool for breast cancer diagnosis.
A recent study by the American College of Radiology found that core needle breast biopsies are safe for patients taking anticoagulants. The study showed that lumps or bruising occurred in 34% of women taking blood thinners, compared to 26.5% of those not on medications.
A study found that CT scans changed the initial treatment plans of emergency physicians in over 29% of patients with suspected appendicitis. This alteration was largely due to CT results ruling out appendicitis when surgical consultation was initially recommended, reducing unnecessary surgeries.
Researchers used ultrasound imaging to measure carotid artery plaque density and predict cardiovascular events. Patients with reduced plaque density had a significantly increased risk of near-future adverse events, highlighting the potential for this non-invasive technique to improve cardiovascular disease management.
Endovascular repair, using stent grafts to fix blood vessel injuries, is shown to save more lives and decrease chance of paraplegia compared to open surgery. This minimally invasive technique reduces mortality rates by half and diminishes risk of paraplegia by 75 percent.
The Kenneth B. Schwartz Center and ASTRO are partnering to raise awareness of cancer survivorship through the Survivor Circle exhibit at ASTRO's Annual Meeting. The center supports compassionate healthcare and education, and will participate in the exhibit to promote its mission.
Researchers found iTunes can efficiently manage PDF files for radiologists, providing richer information than conventional textbooks. The study's lead author, Li Jun Qian, MD, discovered that drag-and-drop functionality allows users to easily search, rate, and organize articles.
Research at the University of Washington suggests that faulty brain connections might be responsible for social impairments in adults with autism. The study used functional magnetic resonance imaging to compare brain activity in individuals with high-functioning autism and typically developed adults while looking at faces.
A new magnetic resonance imaging unit will be put into operation in Malawi, allowing physicians to assess malaria damage before a child has died and diagnose a wide range of illnesses. The machine will also enable radiologists to send images to the US for second opinions and serve neighboring countries with no MRI machines.
Researchers at Beth Israel Deaconess Medical Center have developed a new noninvasive method to detect and measure noncalcified plaque using voxel analysis and MDCTA. The technique was shown to be equally effective as catheter coronary angiography in identifying patients at risk for heart disease.