Researchers found that adjusting kVp and mAs levels according to a child's body shape can significantly decrease radiation dose during CT scans. The study used phantoms representing average waist sizes for children, resulting in lower doses at smaller phantom diameters.
A study found that most ordering physicians underestimate radiation doses from CT scans and overestimate their cancer risk, according to the American College of Radiology. The study suggests that improved radiation education is needed for medical professionals.
A study at UCLA used preoperative MRI to evaluate neurovascular bundles in patients undergoing robotic-assisted laparoscopic prostatectomy (RALP). The results showed that preoperative MR assisted surgeons in making more informed decisions about nerve sparing techniques, with less likelihood of causing impotence.
A new imaging technique called breast elastography enables accurate diagnoses of breast cancer by analyzing tissue stiffness. This study found that breast elastography outperformed conventional ultrasound in diagnosing breast cancers, reducing unnecessary biopsies and patient anxiety.
MRI technology successfully identifies prostate cancer spread beyond the gland, helping doctors determine if surgery is necessary. The study reviewed 119 patients and found that MRI correctly identified 95% of T2 cases and 75% of T3 disease
A study using diffusion tensor imaging (DTI) reveals new details about the brain's white matter tracts, allowing radiologists to better understand conditions such as tumors, hemorrhages, and strokes. DTI provides a comprehensive view of brain anatomy, including connectivity between regions.
A new study has developed a software that utilizes the Nintendo Wii gaming system's infrared sensor and accelerometer to enable flexible ways for radiologists to interact with patient images. This method may alleviate limitations of traditional keyboard-mouse interfaces and reduce repetitive motion injuries.
A study by Luca Saba found that diabetes and hypertension are significantly related to carotid artery wall thickness, a major risk factor for heart attack and stroke. Patients with CAWT greater than 1mm in diabetes or hypertension are at increased risk of stroke.
A study using MRI has identified five possible causes of patient complications after ACL reconstructive surgery, including graft discontinuity and hardware failure. Persistent pain is the most common complaint among patients, with other symptoms such as instability and joint swelling also reported.
A study by American College of Radiology found that educating physicians about ventilation-perfusion (VQ) scanning reduced patient radiation exposure from 11.5 mSv in 2006 to 8.9 mSv in 2007. VQ scanning is now preferred for patients with normal chest x-rays suspected of having pulmonary embolism.
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 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.
A study published in Radiology found that patients who undergo numerous CT scans over their lifetime may be at increased risk for cancer due to cumulative radiation exposure. The study estimated lifetime attributable risk (LAR) of cancer for each patient, based on their CT exposures.
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.
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 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.
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.
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.
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.
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.
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.
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.
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 at UC San Diego are developing new diagnostic tools to detect early-stage cancers using advanced imaging technologies. They aim to characterize tumor aggressiveness and monitor chemotherapy effectiveness, enabling more effective treatment decisions.
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.
The European Academy of Dental and Maxillofacial Radiology has established 20 'Basic Principles' for safe use of Cone Beam Computed Tomography (CBCT) in dentistry. The guidelines cover areas such as justification, optimization, and training to protect patients from excessive radiation.
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.
Researchers found that asthma patients exhibit chronic airflow changes in their lungs, even with medication use. The study used MRI to visualize airway obstruction and revealed that many airways remained narrowed over time.
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 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 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 clinical decision model using MR spectroscopy can help patients avoid unnecessary biopsies and treatments by identifying whether a new lesion is due to a recurrent tumor or post-radiation changes. The technique analyzes ratios of three metabolites, including choline, creatine, and NAA, to determine the likelihood of a recurrent tumor.
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 new study by Cincinnati Children's Hospital Medical Center reveals that magnets in children's toys can cause extensive medical complications worldwide. Most children who swallow multiple magnets do not receive timely treatment, leading to severe problems and even death.
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 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.
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 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.
Researchers used magnetoencephalography to detect brain magnetic fields in children with autism, finding a delay of up to 50 milliseconds in processing sound. This abnormality may lead to impaired language and communication skills.
A new study using high-resolution CT scans found that adolescents with mild anorexia exhibit abnormal bone structure, even before significant bone mineral density decreases. The researchers suggest that traditional methods like DXA may not accurately reflect true bone health in these patients.
A study by Michigan State University researcher Jill Slade examines the ties between statin medications and muscle weakness, fatigue, and deterioration. The research aims to better understand the side effects of statins and identify potential risks in susceptible individuals.
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 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.
The WVU study demonstrates that CT perfusion imaging can diagnose acute ischemic stroke with high accuracy, particularly for major vessel occlusion strokes. The technology allows for fast and targeted treatment, reducing the risk of life-threatening 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 published in the American Journal of Roentgenology found that 3D CT scans significantly aid surgeons in treating varicose veins in the lower extremities, with excellent imaging results in 76% of patients. The scans also provided detailed views of the great saphenous vein, allowing doctors to make more accurate surgical plans.
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.
A recent study using new MRI techniques found that facet joint effusion and interspinal ligament edema are the most common imaging findings in patients with lower back pain. These soft tissue changes, seen in 85.5% of cases, highlight the importance of addressing degenerative changes in preventing and treating lower back pain.
A University of Missouri research team led by Kattesh Katti developed a method to create gold nanoparticles without producing synthetic chemicals, resulting in a 100-percent green process. The new procedure uses gold salts submerged in water with soybeans to generate uniform-sized nanoparticles that are stable and free from toxic waste.
A study presented at the American Society for Therapeutic Radiology and Oncology's 50th Annual Meeting found that proton therapy decreases the risk of patients developing a secondary cancer. Proton therapy is a more targeted form of external beam radiation, which delivers less radiation to bordering normal structures.