Articles tagged with Radiology
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 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.
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.
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.
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 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 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.
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 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.
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 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 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 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 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 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 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 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.
A recent study found that self-referring physicians account for the majority of increases in diagnostic imaging ordered for privately insured patients. This trend is driven by fee-for-service reimbursement, which incentivizes physicians to perform scans in their own offices. The use of advanced imaging technologies has raised concerns ...
Researchers at Weill Cornell Medical College found that 3T MR-guided focused ultrasound effectively reduces symptoms of uterine fibroids in 20 patients, with minimal side effects. The non-invasive procedure allows for quick recovery times and eliminates risks associated with surgery.
Researchers at the University of Southern California found that combined positron emission tomography (PET) and computed tomography (CT) imaging yields greater accuracy when evaluating response to radiation therapy. This method helps identify complete responders and reduces the need for unnecessary chemotherapy treatments.
A multicenter trial found that uterine artery embolization (UAE) is a viable alternative to hysterectomy for women with symptomatic fibroids. After two years, patients who underwent UAE reported health-related quality of life equal to those who had undergone hysterectomy.
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.
Using breast shields during pediatric chest MDCT reduces radiation dose and minimally increases image noise. The study found that shielding alone reduced the dose by 26%, while combining shielding with automatic tube current modulation (ATCM) reduced it by 52%.
A multi-institutional study found PET more reliable than CT in characterizing lung nodules as malignant. PET's superior specificity led to correctly classifying 58% of benign nodules misclassified on CT.
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 novel treatment for DVT uses a fiber-binding agent to clear clots rapidly and safely, with 90% of patients experiencing complete resolution of symptoms after six months. The therapy reduces the risk of bleeding and post-thrombotic syndrome, enabling patients to resume normal activity within a week.
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 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.
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 recent study found that 318 of 321 benign-appearing adrenal masses were confirmed to be clinically insignificant. The study showed no malignant adrenal lesions, even among patients with other malignancies elsewhere.
A new minimally invasive procedure using ultrasound-guided percutaneous therapy significantly reduces pain and restores mobility in patients with calcific tendonitis of the rotator cuff. The procedure, which takes about an hour to perform, has been shown to provide long-lasting relief from symptoms.
A study found that approximately 27% of obese gastric bypass patients weighing over 450 pounds were denied standard diagnostic imaging due to weight restrictions. This can lead to delayed diagnosis and compromised patient care.