A study found that the No Surprises Act's independent dispute resolution (IDR) process would be financially unfeasible for a large portion of out-of-network claims for hospital-based specialties, particularly radiologists. This could undermine patient access to in-network care due to limited bargaining power.
A new size threshold for retropharyngeal lymph nodes is proposed to improve risk stratification and treatment decisions in patients with nasopharyngeal carcinoma. Using a 6-mm threshold, the study found significant differences in overall survival between stage-I and stage-II disease.
A study comparing PI-RADS 2.0 and 2.1 found no significant differences in upgrade (29% vs. 22%) or downgrade (19% vs. 21%) rates from targeted biopsy to radical prostatectomy, suggesting no improvement in prostate cancer grade assessment with the latest PI-RADS update.
An AI system by Lunit identified improperly positioned endotracheal tubes with high sensitivity and specificity, allowing for earlier repositioning and reducing complications. The study included 539 chest radiographs from three institutions and showed promising results in detecting ETT presence and improper position.
A radiomic-based model using T2-weighted MRI data achieved high accuracy in diagnosing pediatric Crohn disease, outperforming expert radiologists. The model was ensembled with clinical data to further improve performance.
A commercial AI tool did not provide additional benefit to mammography with supplementary ultrasound in patients with dense breasts. Mammography with supplementary ultrasound showed higher accuracy, specificity, and lower recall rate compared to AI alone or combined with US.
Lacking Medicare coverage for screening CTC may contribute to greater income-based differences in its use compared to other recommended screening strategies or diagnostic CTC. Medicare coverage of CTC could reduce income-based disparities for individuals avoiding optical colonoscopy due to invasiveness or complication risk.
A synoptic report improved the completeness of pretreatment CT reports in patients with advanced ovarian cancer. Involvement of surgically established unresectable or challenging-to-resect disease sites was mentioned in all disease-specific synoptic reports, compared to 37% of simple structured reports.
Using MRI instead of CT with CTA alone in patients presenting to the ED with dizziness was associated with greater critical neuroimaging results and more frequent echocardiography. Patients with dizziness undergoing MRI showed a lower frequency of 90-day ED readmissions compared to those discharged after CT with CTA alone.
A new AI tool utilizing deep-learning algorithms and volumetric thresholds accurately detected splenomegaly in patients undergoing CT scans. The study analyzed a large sample of 8,901 patients, revealing that splenic volume is strongly associated with weight.
A deep learning-based model developed in 7,105 patients predicted 30-day all-cause mortality in patients with CAP with AUCs ranging from 0.77 to 0.80. The model showed higher specificity than the CURB-65 score at the same sensitivity.
The study found that preferential use of pulmonary MRA for diagnosing PE in the general population helped conserve iodinated contrast media. This substitution reduced iodine usage by approximately 27 liters during the specified time period, which is a noteworthy benefit considering the shortage's impact.
A study found that patients with transient ischemic attack (TIA) who received incomplete neurovascular imaging were at higher odds of experiencing a stroke within 90 days. The research, published in the American Journal of Roentgenology, used Medicare claims data to analyze TIA emergency department encounters.
A multicenter study found that deep learning-based computer-aided diagnosis significantly improved radiologists' diagnostic performance for breast lesion classification on ultrasound. The use of CAD resulted in a 6.0% upgrade of BI-RADS category 3 assessments to category 4A, with 16.7% being malignant.
A recent study found that COVID-19 infection can lead to increased infarct growth and ongoing tissue consumption even after successful reperfusion through angiography. This suggests a potentially aggressive clinical course for patients with COVID-19 and large-vessel occlusion acute ischemic stroke.
A study of 5302 patients found no significant difference in bleeding events between those temporarily discontinuing and maintaining antithrombotic therapy during image-guided breast biopsies. The findings support the safety of continuing antithrombotic therapy, but counsel patients on bruising risk.
A new onsite deep-learning based FFR-CT algorithm demonstrates excellent diagnostic performance, with high interobserver and intraobserver reproducibility. The algorithm showed AUC of 0.975, sensitivity of 93.5%, and specificity of 97.7% for hemodynamically significant stenosis.
A study presented at the ARRS Annual Meeting reveals institutional variability in projection order and image acquisition timing for CEM protocol. Earlier-obtained recombined imaging is significantly preferred for cancer lesion characterization, with a trend towards prioritizing imaging the side of pathology.
The American Roentgen Ray Society presents its 2023 Honorary Lecture on Advanced High-Resolution CT, dedicated to the late Dr. W. Richard Webb, who transformed thoracic imaging with his foundational work in HRCT. The lecture explores multiple conditions diagnosed via HRCT and the radiologist's role on multidisciplinary teams.
Researchers found that correctly occluded left atrial appendages minimized left atrial flow stasis and thrombogenicity using 4D flow MRI and 3D phantoms. The study provides a clinical goal for the procedure in patients with atrial fibrillation.
Jeong Min Lee, KSR President and professor at Seoul National University Hospital, is honored with ARRS membership. He has published over 470 scientific articles and serves on the editorial board of several publications.
A novel technique of three-dimensional (3D) slice-to-volume (SVR) MRI allows for precise delineation and measurement of the fetal optic pathway (FOP). The study found that FOP was visualized in 9 cases in unprocessed fetal MRIs, compared to 55 cases in 3D SVR images.
Dr. Erik K. Paulson, MD, chair of Duke University's radiology department, has been elected as the 123rd President of ARRS for a one-year term starting April 2023. He succeeds Gary J. Whitman, who served from 2022 to 2023.
A new AI-powered worklist reprioritization tool has been shown to significantly reduce both report turnaround time and wait time for pulmonary embolus-positive CT pulmonary angiography examinations. The study found a reduction of 47.6 minutes in report turnaround time and 21.4 minutes in wait time, with no significant difference in rea...
A large-scale study found that diagnostic errors in neuroradiology were associated with longer interpretation times and higher shift volumes. The study also revealed a significant increase in diagnostic errors during weekend work, highlighting the need for targeted quality improvement interventions.
A national survey of radiologists reveals moral distress is widespread, often stemming from high case volumes and lack of administrative support. The study highlights the need for education of leadership regarding causes of distress among frontline workers to address this issue.
A study of US newspaper articles found that lung cancer screening was generally positively covered between 2010 and 2022. However, crucial aspects such as enrollment criteria and cost issues were frequently omitted, highlighting a need for radiologists to take an active role in media coverage.
Axillary lymphadenopathy after a COVID-19 vaccine booster dose resolves at a mean of 102 days. Findings support follow-up intervals of at least 12 weeks to avoid delaying screening mammography for suspected vaccine-related lymphadenopathy.
Using a dual-source CT scanner eliminates the need for beta-blockers and decreases nondiagnostic examinations, resulting in shorter CT completion times. The study found no difference in ED length of stay but demonstrated significant benefits in reducing nondiagnostic examinations.
The American Roentgen Ray Society (ARRS) has awarded four radiologists with the 2023 Resident/Fellow in Radiology Awards for their exceptional research, education, and administrative work. Drs. Elliot T. Varney, Vincius Alves, Luca Pasquini, and Pallavi Srivastava will present their research findings at the upcoming ARRS Annual Meeting...
Automated AI body composition tools achieved high technical adequacy rates (97.8-99.1%) in a large sample of external abdominal CT scans. The results support the generalizability and potential for widespread adoption of these tools, which can help build trust among radiologists and physicians.
Research found PIRI to be an independent predictor of infarct growth rate and 90-day outcomes in large-vessel occlusive stroke. The study suggests PIRI may help identify patients who could benefit from late-window endovascular thrombectomy.
Ultrafast MRI provides beneficial information for predicting DCIS upgrade to invasive cancer, including time to enhancement and lesion size. A study found that UF-MRI can accurately predict lesions diagnosed as DCIS at percutaneous biopsy that will be upgraded to invasive cancer at surgery.
A systematic review and meta-analysis found that MRI-based surveillance after surgical treatment can detect clinically occult local recurrences, potentially improving patient outcomes. The study included 19 studies and showed a significant association between high-intensity surveillance and the detection of local recurrences.
Ringlike peripheral high iodine concentration maps from dual-energy CT can help guide management in patients with known lung cancer and an indeterminate solitary nodule. This finding showed excellent interobserver agreement, high specificity, and independently predicted pulmonary metastasis.
A new study published in the American Journal of Roentgenology found significant cost savings by eliminating sedation during pediatric brain MRI examinations. The analysis calculated costs for sedated, nonsedated, and limited MRI exams at three US hospitals, revealing that labor costs were the largest expense category.
Jon A. Jacobson, MD, FACR, has been recognized as the 2023 ARRS Distinguished Educator for his exceptional contributions to radiological education and innovative educational activities. He is a renowned expert in musculoskeletal ultrasound and MRI, with over 250 peer-reviewed publications.
The American Roentgen Ray Society has awarded the 2023 ARRS Gold Medal to Dr. Bernard F. King, Jr., MD, FACR, FSAR, in recognition of his distinguished service to radiology. Dr. King has made significant contributions to the field, including the development of contrast media recognition and treatment protocols.
A study published in the American Journal of Roentgenology found that reconstruction using BI64 kernel and 0.4-mm slice thickness yielded improved bronchial division identification and pulmonary fissure sharpness without loss in pulmonary vessel sharpness or pathology conspicuity.
For adrenal lesions evaluated by single-phase dual-energy CT, fat fraction had significantly higher sensitivity than virtual noncontrast attenuation at both clinically optimal threshold and traditional ≤10 HU threshold. Fat fraction-derived metrics can help definitively diagnose incidental adrenal lesions as adenomas.
Researchers evaluated modified CEUS using perfluorobutane for diagnosing hepatocellular carcinoma in high-risk patients. The study found no significant difference in sensitivity, specificity, or accuracy between modified CEUS and CT/MRI LI-RADS v2018.
A multicenter study found that left ventricular global longitudinal strain is a significant independent predictor of all-cause mortality and/or heart-failure hospitalization in patients with ischemic or nonischemic dilated cardiomyopathy. The study used cardiac MRI feature tracking to calculate six myocardial strain parameters.
The American Roentgen Ray Society (ARRS) named Dr. Sarah Kamel of Thomas Jefferson University Hospital and Dr. Ankur Goyal of the All India Institute of Medical Sciences as Melvin Figley and Lee Rogers Fellows in Radiology Journalism, respectively. They will receive expert instruction in scientific writing and communication through the...
Dual-energy CT (DECT) metrics provide insight into physiologic changes after lung cancer surgery, beyond PFTs and conventional CT. Lung perfusion ratio increases were greater after lobectomy than limited resection.
A study published in American Journal of Roentgenology found that a PACS tool improved completion rates of clinically necessary follow-up imaging. The tool identified socioeconomically disadvantaged patients at increased risk of failure, and referrer agreements played a crucial role in improving recommendations.
A deep learning algorithm trained on adult populations shows improved sensitivity for diagnosing thyroid nodules in children, with higher accuracy than traditional ACR TI-RADS. The study suggests the potential benefits of this new approach for evaluating thyroid nodules in younger patients.
A study using gadoxetate disodium-enhanced MRI found associations between imaging characteristics and hepatocellular adenoma (HCA) subtypes. The algorithm identified common HCA subtypes with high accuracy, including β-catenin exon 3 mutations.
A study published in the American Journal of Roentgenology found that large specialized referral centers for complex IVC filter retrievals achieved a 100% success rate and low adverse event rates. Prolonged filter dwell time was identified as an independent predictor of adverse events.
A prospective multicenter case-control study found that third-trimester fetuses exposed to opioids in utero exhibited smaller brain biometric measurements and altered fetal physiology. The study suggests a possible link between prenatal opioid exposure and postnatal clinical outcomes.
A prospective study found that patient decision aids improve patients' self-perceived understanding of image-guided procedures and satisfaction with the consent conversation. Patients who received a PDA before their visit reported significantly greater understanding and felt more listened to by their clinician.