Senior Editor, Diagnostic Imaging
Recurrent Prostate Cancer and Low PSA Levels: Can an Emerging PSMA PET Agent Have an Impact?
February 16th 2023Use of the prostate-specific membrane antigen (PSMA) positron emission tomography (PET) agent piflufolastat F 18 led to treatment plan changes in nearly 40 percent of men with recurrent prostate cancer and low prostate-specific antigen (PSA) levels, according to new research presented recently at the 2023 American Society of Clinical Oncology (ASCO) Genitourinary Cancers (GU) Symposium in San Francisco.
Could Photon Counting CT Supplant MRI for Imaging Assessment of Hepatic Steatosis?
February 16th 2023Preliminary research suggests no significant differences between photon-counting computed tomography (CT) and magnetic resonance imaging (MRI) in the quantification of liver fat fraction in obese patients.
Can an Emerging Radiomics Model Improve CT Angiography Assessment of Heart Attack Risk?
February 14th 2023Derived from coronary computed tomography angiography (CCTA) images, a radiomics model demonstrated a 75 percent or greater area under the curve (AUC) in multiple test sets for identifying vulnerable plaque.
Emerging Trends with AI in Radiology in 2023
February 13th 2023In a recent video interview, Sonia Gupta, MD discussed a number of ongoing developments with artificial intelligence (AI) in radiology, ranging from market consolidation of AI vendors to maximizing automation and efficiency with patient triage, reporting and follow-up of incidental findings.
Can Pre-Op Ultrafast MRI Predict Upgrade of DCIS Lesions to Invasive Breast Cancer?
February 9th 2023In a new study that may have implications for breast cancer surgery, researchers found that shorter time to enhancement (TTE) on preoperative ultrafast magnetic resonance imaging (MRI) was significantly associated with escalation of ductal carcinoma in situ (DCIS) to invasive breast cancer.
Study: AI More Than Doubles the Sensitivity Rate for Lung-RADS Category 4 Nodules on Chest X-Rays
February 7th 2023In newly published research, researchers found that an artificial intelligence (AI) computer-aided detection (CAD) system was more than twice as likely as non-AI assessment to diagnose actionable lung nodules on chest X-rays.
Interval Breast Cancer: What a New Mammography Study Reveals
February 6th 2023In a new study of 1,232 women diagnosed with breast cancer within a year of a screening mammography exam, researchers found that interval breast cancer was 17 percent more likely in women with dense or extremely dense breasts, and over three times more likely to involve stage 2 or higher primary tumors in comparison to screening-detected breast cancer.
Can MRI Surveillance Have an Impact in Detecting Recurrence of Soft Tissue Sarcomas?
February 3rd 2023While acknowledging a moderate to high risk of bias in the retrospective studies reviewed for a recent meta-analysis, researchers found the current evidence supports the use of high-intensity magnetic resonance imaging (MRI) surveillance for detection of soft tissue sarcoma recurrence.
New MRI Study Examines Impact of Disparities with Childhood Adversity Exposure on Brain Development
February 2nd 2023In a study of over 9,000 children that examined structural magnetic resonance imaging (MRI) data as well as parent and child self-reporting of adversity-related measures, researchers found that greater exposure to adversities for Black children was linked to lower gray matter volume in the amygdala and multiple subregions of the prefrontal cortex in comparison to White children.
Clarius Mobile Health Gets FDA Nod for AI Ultrasound Musculoskeletal Imaging Model
February 1st 2023In what is reportedly the first Food and Drug Administration (FDA) 510(k) clearance for the use of artificial intelligence (AI) for musculoskeletal ultrasound, the model provides automated measurements of tendons in the knee, ankle, and foot.
Can Deep Learning Enhance Pulmonary Nodule Detection on Chest X-Rays?
February 1st 2023In an external validation data set for a deep learning bone-suppressed (DLBS) model, researchers found that adjunctive use of the DLBS model led to a nearly 15 percent increase in sensitivity for detecting pulmonary nodules on chest X-rays in comparison to radiologist assessment.
New Meta-Analysis Says MRI is Best Supplemental Imaging for Dense Breasts
January 31st 2023In a review of 22 studies and data from over 132,000 women with dense breasts and negative mammography exams, researchers found that magnetic resonance imaging (MRI) was superior to digital breast tomosynthesis, handheld ultrasound and automated whole breast ultrasound for the detection of breast cancer.
What a New Study Reveals About MRI Use and Implantable Cardioverter Defibrillators
January 31st 2023In a prospective study of over 600 patients, researchers found that magnetic resonance imaging (MRI) had no serious adverse effects upon the detection of tachyarrhythmias with non-MRI conditional implantable cardioverter defibrillators (ICDs).
Is There Enough AI Emphasis in Radiology Residency Programs?
January 30th 2023In a new survey, 83 percent of radiology residents agreed that artificial intelligence/machine learning (AI/ML) should be part of their curriculum but approximately 24 percent of residents said there are currently no AI/ML educational offerings in their residency program.
Could Photon Counting Reduce Iodinated Contrast Media for CT Angiography?
January 27th 2023Preliminary research suggests the use of photon-counting detector computed tomography (CT) may facilitate a 25 percent reduction of iodinated contrast media (ICM) in comparison to energy-integrating detector CT for angiographic imaging of the thoracoabdominal aorta.
Could an Emerging Deep Learning Modality Enhance CCTA Assessment of Coronary Artery Disease?
January 26th 2023Employing deep learning capabilities, the DeepVessel FFR reportedly provides enhanced non-invasive evaluation of coronary arteries through semi-automated analysis of coronary computed tomography angiography (CCTA) imaging.
Abbreviated MRI and Early-Stage Hepatocellular Carcinoma: What a New Multicenter Study Reveals
January 25th 2023In a multicenter study involving nearly 300 patients, researchers found that abbreviated magnetic resonance imaging (MRI) had a sensitivity rate of 88.2 percent and a specificity rate of 89.1 percent for detecting early-stage hepatocellular carcinoma (HCC).
Emerging Insights on MRI-Guided Stereotactic Body Radiation Therapy (SBRT) for Prostate Cancer
January 24th 2023In a recent video interview, Amar Kishan, M.D., discussed a new study that demonstrated significant side effect reduction when utilizing magnetic resonance imaging (MRI) guidance instead of computed tomography (CT) guidance for stereotactic body radiation therapy (SBRT) to treat localized prostate cancer.
New Mammography Study Reveals Mixed Awareness on Breast Cancer Risks
January 23rd 2023In a new survey that examined perceptions of breast cancer risk among more than 1,800 women who had a recent mammogram, 65 percent noted that being overweight or obese was a greater risk factor than breast density, and over a quarter of those interviewed noted they were not aware that they could reduce their breast cancer risk.
Deep Learning Model May Predict Lung Cancer Risk from a Single CT Scan
January 23rd 2023Trained and developed on over 35,000 low-dose computed tomography (LDCT) scans and validated in three independent data sets, a deep learning algorithm demonstrated an average area under the curve (AUC) of 90.6 percent for predicting lung cancer within one year.
ACR Offers Recommendations for Addressing 'Cost-Prohibitive' IDR Process in Radiology
January 20th 2023Noting the significant administrative fees for the Independent Dispute Resolution (IDR) process of the No Surprises Act and onerous restrictions that have led to a nearly “non-existent” use of batching of disputed claims in radiology, the American College of Radiology (ACR) has sent formal recommendations to the United States Departments of Health and Human Services, Labor, and Treasury for addressing these issues.
Can Multimodal AI Improve Cancer Detection in Dense Breasts?
January 20th 2023Emerging research suggests combined artificial intelligence (AI) assessment of digital mammography and automated 3D breast ultrasound provides enhanced detection of breast cancer in women with dense breasts and may be a viable alternative in areas where radiologists are scarce.