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Beyond the AJR: Using the Correct Lens. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-29 Mary S Newell,Lawrence Gilliland
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Editorial Comment: The Best of Both Worlds-Photon-Counting Detector CT Pulmonary Angiography at High Pitch. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-29 Jeremy R Wortman
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Editorial Comment: Percutaneous Ablation of Early-Stage Non-Small Cell Lung Cancer Has Reasonable Safety Profile in Patients With Interstitial Lung Disease. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-29 Ahmed K Aly
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The Role of Contrast-Enhanced Mammography After Cryoablation of Breast Cancer. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-29 Marina J Corines,Julie Sogani,Molly P Hogan,Victoria L Mango,Yolanda Bryce
Image-guided cryoablation is an emerging therapeutic technique for the treatment of breast cancer and is an effective alternate treatment strategy to surgery in select patients. Tumor features impacting efficacy of cryoablation include size, location in relation to skin, and histology (e.g., extent of intraductal component), underscoring the importance of imaging for staging and workup in this patient
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Contrast-Enhanced Ultrasound With Perfluorobutane for Hepatocellular Carcinoma Diagnosis: Comparison of Imaging Phases and Diagnostic Criteria. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-22 Hyo-Jin Kang,Jeong Min Lee,Jeong Hee Yoon,Jeongin Yoo,Jung Hoon Kim,Jiwon Park
Background: Contrast-enhanced ultrasound (CEUS) with perfluorobutane has used varying protocols and diagnostic criteria for hepatocellular carcinoma (HCC). Objective: To assess diagnostic performance for HCC of CEUS with perfluorobutane in high-risk patients using various criteria. Methods: This retrospective post-hoc study, evaluating individual patient data from three earlier prospective studies
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Editorial Comment: Bridging the Gap-International Medical Graduates and the Radiologist Shortage in the United States. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-22 Vahid Yaghmai
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Editorial Comment: An Innovative Approach to CT Scan Energy Measurements. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-22 Tobias Heye
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Infrapopliteal Segments on Lower-Extremity CTA: Prospective Intraindividual Comparison of Energy-Integrating Detector CT and Photon-Counting Detector CT. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-22 Mariana Yalon,Akitoshi Inoue,Jamison E Thorne,Yong S Lee,Matthew P Johnson,Andrea Esquivel,Shuai Leng,Cynthia H McCollough,Joel G Fletcher,Prabhakar Shantha Rajiah
Background: The higher spatial resolution and image contrast for iodine-containing tissues of photon-counting detector (PCD) CT may address challenges in evaluating small, calcified vessels when performing lower-extremity CTA by energy-integrating detector (EID) CTA. Purpose: To compare the evaluation of infrapopliteal vasculature between lower-extremity CTA performed using EID CT and PCD CT. Methods:
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Performance Analysis in Children of Traditional and Deep-Learning CT Lung Nodule Computer-Aided Detection Systems Trained on Adults. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-22 Russell C Hardie,Andrew T Trout,Jonathan R Dillman,Barath N Narayanan,Aki A Tanimoto
Background: Although primary lung cancer is rare in children, chest CT is commonly performed to assess for lung metastases in children with cancer. Lung nodule computer-aided detection (CAD) systems have been designed and studied primarily using adult data, and such systems' efficacy on pediatric patients is poorly understood. Objective: To evaluate the diagnostic performance in children of traditional
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Automatic Adipose Tissue Segmentation in Adolescents: A Promising Frontier. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-22 Xin Bai,Zhengyu Jin,Hao Sun
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Reply to "Automatic Adipose Tissue Segmentation in Adolescents: A Promising Frontier". Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-22 Tong Wu,Santiago Estrada,Renza van Gils,Ruisheng Su,Vincent W V Jaddoe,Edwin H G Oei,Stefan Klein
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Optimizing the Patient Experience in Breast Imaging Facilities: AJR Expert Panel Narrative Review. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-15 Ashley I Huppe,Vilert A Loving,Priscilla J Slanetz,Stamatia Destounis,Rachel F Brem,Laurie R Margolies
Breast imaging studies are complex examinations for patients and providers. Breast imaging providers and organizations invest significant resources in educating patients and referring providers to address variability in changing breast cancer screening recommendations, cultural biases, and socioeconomic barriers for patients. The breast imaging examination frequently involves multiple imaging modalities
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Ablation of Stage I-II Non-Small Cell Lung Cancer in Patients With Interstitial Lung Disease: A Multicenter Retrospective Study. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-15 Florian J Fintelmann,Alexander Graur,Karim Oueidat,Judit Simon,Jeanna M Harvey Barnes,Shaunagh McDermott,Scott J Genshaft,Terrance T Healey,Robert D Suh,Aaron W P Maxwell,Fereidoun Abtin
Background: Treatment options for patients with interstitial lung disease (ILD) who develop stage I-II non-small cell lung cancer (NSCLC) are severely limited, since surgical resection, radiation, and systemic therapy are associated with significant morbidity and mortality. Objective: The aim of this study was to evaluate the safety and efficacy of percutaneous ablation of stage I-II NSCLC in patients
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Image Quality and Radiation Dose of CTPA With Iodine Maps: A Prospective Randomized Study of High-Pitch Mode Photon-Counting Detector CT Versus Energy-Integrating Detector CT. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-15 Pauline Pannenbecker,Julius F Heidenreich,Jan-Peter Grunz,Henner Huflage,Philipp Gruschwitz,Theresa S Patzer,Philipp Feldle,Thorsten A Bley,Bernhard Petritsch
Background: Dual-energy CT pulmonary angiography (CTPA) with energy-integrating detector (EID) technology is limited by inability to use high-pitch technique. Objective: To compare image quality of anatomic images and iodine maps between high-pitch PCD CTPA and dual-energy EID CTPA. Methods: This prospective study included 117 patients (median age, 65 years; 70 men, 47 women) who underwent CTPA to
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Automated Deep Learning-Based Segmentation of Abdominal Adipose Tissue on Dixon MRI in Adolescents: A Prospective Population-Based Study. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-15 Tong Wu,Santiago Estrada,Renza van Gils,Ruisheng Su,Vincent W V Jaddoe,Edwin H G Oei,Stefan Klein
BACKGROUND. The prevalence of childhood obesity has increased significantly worldwide, highlighting a need for accurate noninvasive quantification of body fat distribution in children. OBJECTIVE. The purpose of this study was to develop and test an automated deep learning method for subcutaneous adipose tissue (SAT) and visceral adipose tissue (VAT) segmentation using Dixon MRI acquisitions in adolescents
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ADC Values for Detecting Bowel Inflammation and Biologic Therapy Response in Patients With Crohn Disease: A Post Hoc Prospective Trial Analysis. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-15 Jordi Rimola,Agnès Fernandez-Clotet,Nunzia Capozzi,Berta Caballol,Sonia Rodríguez,Marta Gallego,Maria Carme Masamunt,Julian Panés,Elena Ricart,Ingrid Ordás
BACKGROUND. New biologic agents for Crohn disease (CD) create a need for noninvasive disease markers. DWI may assess bowel inflammation without contrast agents. OBJECTIVE. The purpose of this study was to evaluate ADC values for identifying bowel inflammation and therapeutic response in patients with CD treated with biologic therapy. METHODS. This study entailed post hoc analysis of prospective trial
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Editorial Comment: Rethinking Contrast-Induced Acute Kidney Injury. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-08 Farzad Sedaghat
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Cost-Effectiveness of CT, CTA, MRI, and Specialized MRI for Evaluation of Patients Presenting to the Emergency Department With Dizziness. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-08 Long H Tu,Edward Melnick,Arjun K Venkatesh,Kevin N Sheth,Dhasakumar Navaratnam,Reza Yaesoubi,Howard P Forman,Amit Mahajan
Background: Underlying stroke is often misdiagnosed in patients presenting with dizziness. Although such patients are usually ineligible for acute stroke treatment, accurate diagnosis may still improve outcomes through selection of patients for secondary prevention measures. Objective: To investigate the cost-effectiveness of differing neuroimaging approaches in the evaluation of patients presenting
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Savings in CT Net Scan Energy Consumption: Assessment Using Dose Report Metrics and Comparison With Savings in Idle State Energy Consumption. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-08 Julia H Schoen,Jonathan H Burdette,Thomas G West,Carol P Geer,Megan Lipford,Jeffrey R Sachs
Background: CT scanners' net scan state (i.e., image acquisition period) represents a potential target for energy savings through protocol adjustments. However, gauging CT energy savings is difficult without installing costly energy monitors. Objective: To assess correlations between CT dose report metrics and energy consumption during the net scan system state, and to compare theoretic energy savings
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Editorial Comment: Redefining the Skeletal Muscle Index and Sarcopenia. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-08 Linda C Chu
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Bone Mineral Density Assessment Using Spectral Topograms From a Clinical Photon-Counting Detector CT System: A Phantom Evaluation. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-08 Lukas Jakob Moser,Janique Pitteloud,Victor Mergen,Diana Frey,Tristan Nowak,Oliver Distler,Matthias Eberhard,Hatem Alkadhi
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Retained Biopsy Site Markers After Breast Lesion Surgical Resection: Associations With Residual Malignancy. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-08 Eun L Langman,Karen S Johnson,Maggie L Dinome
BACKGROUND. Biopsy site markers (BSMs) placed during image-guided core needle biopsy (CNB) are typically targeted for surgical excision, along with the breast imaging abnormality. Retained BSMs raise concern of incomplete resection of the breast abnormality. OBJECTIVE. The purpose of our study was to assess the frequency of residual malignancy in patients with retained BSMs identified on the initial
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Machine Learning Diagnosis of Small-Bowel Crohn Disease Using T2-Weighted MRI Radiomic and Clinical Data. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-08 Richard X Liu,Hailong Li,Alexander J Towbin,Nadeen Abu Ata,Ethan A Smith,Jean A Tkach,Lee A Denson,Lili He,Jonathan R Dillman
BACKGROUND. Radiologists have variable diagnostic performance and considerable interreader variability when interpreting MR enterography (MRE) examinations for suspected Crohn disease (CD). OBJECTIVE. The purposes of this study were to develop a machine learning method for predicting ileal CD by use of radiomic features of ileal wall and mesenteric fat from noncontrast T2-weighted MRI and to compare
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Usual Interstitial Pneumonia: Associations With Complications After Percutaneous Transthoracic Needle Lung Biopsy. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-01 Jongsoo Park,Jong Hyuk Lee,Wonju Hong,Eui Jin Hwang,Soon Ho Yoon,Jin Mo Goo,Chang Min Park
Background: Changes in lung parenchyma elasticity in usual interstitial pneumonia (UIP) may increase the risk for complications after percutaneous transthoracic needle lung biopsy (PTNB). Objective: To investigate the association of UIP findings on CT with complications after PTNB, including pneumothorax, pneumothorax requiring chest tube insertion, and hemoptysis. Methods: This retrospective single-center
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From Stanford to the Stars: A Resident's Experience With the Emerging Frontier of Space Radiology. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-01 Michael Pohlen
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Visa Opportunities for International Medical Graduates Applying for U.S. Academic Radiology Department Faculty Positions: A National Survey. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-01 Parisa Khoshpouri,Nastaran Khalili,Neda Khalili,Farzaneh Ghazi Sherbaf,Christine M Glastonbury,David M Yousem
Background: International medical graduates (IMGs) represent a source of physicians who could help alleviate U.S. radiologist workforce shortages. However, IMGs may face barriers in obtaining appropriate visas (e.g., H1-B or O-1 visas) to allow for faculty employment. Objective: This study aimed to assess the policies and experiences of U.S. academic radiology departments in offering visas to IMGs
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Editorial Comment: Gadolinium-Based Paramagnetic MRI Contrast Agents-Safe and Effective. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-01 Charles H Bush
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The Global Reading Room: A Patient With Headaches After Spinal Anesthesia. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-01 Yangsean Choi,J Nicholas P Higgins,Peter G Kranz,Carlos Torres,Chiara Zini
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Editorial Comment: The Time Is Almost Ripe to Mainstream Diffusion in Routine Breast MRI. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-01 Shinn-Huey S Chou
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Multicenter Validation of a T2-Weighted MRI Calculator to Differentiate Adrenal Adenoma From Adrenal Metastases. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-01 Wendy Tu,Mohamed Badawy,Benjamin W Carney,Elaine M Caoili,Michael T Corwin,Khaled M Elsayes,William Mayo-Smith,Daniel I Glazer,Barun Bagga,Robert Petrocelli,Myles T Taffel,Nicola Schieda
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Associations of Liver Stiffness Measured by Ultrasound Shear-Wave Elastography With Portal Hypertension and Circulatory Failure in Individuals With Fontan Circulation. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-11-01 Betul E Derinkuyu,Jonathan R Dillman,Adam M Lubert,Joseph J Palermo,Alexander R Opotowsky,Andrew T Trout
BACKGROUND. The Fontan operation palliates single-ventricle congenital heart disease but causes hepatic congestion with associated progressive hepatic fibrosis. OBJECTIVE. The purpose of this study was to evaluate associations between liver stiffness measured using ultrasound (US) shear-wave elastography (SWE) in patients with Fontan palliation and the occurrence of portal hypertension and Fontan circulatory
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Editorial Comment: Recognition and Management of Allergic-Like Reactions to Administered Contrast Media. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-10-25 Stacy Goergen
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Beyond the AJR: Increased Use of Prostate MRI Before Biopsy Reduces Biopsy Frequency Without Compromising Detection of Aggressive Cancer. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-10-25 Rajesh Thampy,Benjamin Spilseth
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Editorial Comment: Per Aspera ad Astra-Perfecting Oral Contrast Media Use. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-10-25 Mark Guelfguat
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Point-of-Care Musculoskeletal Ultrasound: Point-The Evolution of Ultrasound Improving Patient Care. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-10-25 Nathalie J Bureau
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Beyond the AJR: Incompletely Engineered Regulatory Price Transparency Efforts Likely Fail to Help Our Most Vulnerable Patients. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-10-25 Richard Sharpe,Jonathan Flug
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Skeletal Muscle Area on CT: Determination of an Optimal Height Scaling Power and Testing for Mortality Risk Prediction. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-10-25 Louis Blankemeier,Lawrence Yao,Jin Long,Eduardo Pontes Reis,Leon Lenchik,Akshay S Chaudhari,Robert D Boutin
BACKGROUND: Sarcopenia is commonly assessed on CT using the skeletal muscle index (SMI), calculated as skeletal muscle area (SMA) at L3 divided by patient height squared (i.e., height scaling power of 2). OBJECTIVE: To determine the optimal height scaling power for SMA measurements on CT, and to test the influence of the derived optimal scaling power on the utility of SMI in predicting all-cause mortality
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Oral CT Contrast Agents: What's New and Why, From the AJR Special Series on Contrast Media. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-10-25 Maurice M Heimer,Yuxin Sun,Peter J Bonitatibus,Benjamin M Yeh
Current CT oral contrast agents improve the conspicuity and confidence for bowel and peritoneal findings in many clinical scenarios, particularly for outpatient and oncologic abdominopelvic imaging. Yet, existing positive and neutral oral contrast agents may diminish the detectability of certain radiologic findings, frequently in the same scans in which the oral contrast agent improves the detectability
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Adrenal Mass Biopsy in Patients Without Extra-Adrenal Primary Malignancy: A Multicenter Study. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-10-25 Satheesh Krishna,Brian M Moloney,Bo Bao,Karim Samji,Adam James Williams,Christopher S Lim,Abdullah Alabousi,Oleg Mironov,James Russell,Silvia D Chang,Sumaya Alrasheed,Robert Frank,Nicola Schieda
Background: Adrenal washout CT is not useful for evaluating incidental adrenal masses in patients without known or suspected primary extra-adrenal malignancy. Objectives: To evaluate the diagnostic utility of adrenal mass biopsy (AMB) in patients without known or suspected extra-adrenal primary malignancy. Methods: This retrospective six-center study included 69 patients (mean age 56 years; 32 men
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Point-of-Care Musculoskeletal Ultrasound: Counterpoint-The Genie Is Out of the Bottle, What Do We Do Now? Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-10-25 Theodore T Miller
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Management of Patients With a Negative Multiparametric Prostate MRI Examination: AJR Expert Panel Narrative Review. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-10-25 Nelly Tan,Jordan R Pollock,Daniel J A Margolis,Anwar R Padhani,Clare Tempany,Sungmin Woo,Michael A Gorin
Multiparametric prostate MRI (mpMRI) aids risk stratification of patients with elevated PSA levels. While most clinically significant prostate cancers are detected by mpMRI, insignificant cancers are less evident. Thus, multiple international prostate cancer guidelines now endorse routine use of prostate MRI as a secondary screening test before prostate biopsy. Nonetheless, management of patients with
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Lung-PNet: An Automated Deep Learning Model for the Diagnosis of Invasive Adenocarcinoma in Pure Ground-Glass Nodules on Chest CT. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-10-25 Kang Qi,Kexin Wang,Xiaoying Wang,Yu-Dong Zhang,Gang Lin,Xining Zhang,Haibo Liu,Weiming Huang,Jingyun Wu,Kai Zhao,Jing Liu,Jian Li,Xiaodong Zhang
BACKGROUND. Pure ground-glass nodules (pGGNs) on chest CT representing invasive adenocarcinoma (IAC) warrant lobectomy with lymph node resection. For pGGNs representing other entities, close follow-up or sublobar resection without node dissection may be appropriate. OBJECTIVE. The purpose of this study was to develop and validate an automated deep learning model for differentiation of pGGNs on chest
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Screening in Patients With Dense Breasts: Comparison of Mammography, Artificial Intelligence, and Supplementary Ultrasound. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-10-25 Si Eun Lee,Jung Hyun Yoon,Nak-Hoon Son,Kyunghwa Han,Hee Jung Moon
BACKGROUND. Screening mammography has decreased performance in patients with dense breasts. Supplementary screening ultrasound is a recommended option in such patients, although it has yielded mixed results in prior investigations. OBJECTIVE. The purpose of this article is to compare the performance characteristics of screening mammography alone, standalone artificial intelligence (AI), ultrasound
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Update on Gadolinium Based Contrast Agent Safety, From the AJR Special Series on Contrast Media. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-10-18 Jitka Starekova,Ali Pirasteh,Scott B Reeder
Since its introduction 35 years ago, gadolinium-enhanced MRI has fundamentally changed medical practice. While extraordinarily safe, gadolinium-based contrast agents (GBCAs) may have side effects. Four distinct safety considerations include: acute allergic-like reactions, nephrogenic systemic fibrosis (NSF), gadolinium deposition, and symptoms associated with gadolinium exposure. Acute reactions after
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Beyond the AJR: A Breakthrough in the Use of Artificial Intelligence for Mammography in Screening for Breast Cancer. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-10-18 Ritse M Mann,Jonas Teuwen
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Update on DWI for Breast Cancer Diagnosis and Treatment Monitoring. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-10-18 Roberto Lo Gullo,Savannah C Partridge,Hee Jung Shin,Sunitha B Thakur,Katja Pinker
DWI is a noncontrast MRI technique that measures the diffusion of water molecules within biologic tissue. DWI is increasingly incorporated into routine breast MRI examinations. Currently, the main applications of DWI are breast cancer detection and characterization, prognostication, and the prediction of treatment response to neoadjuvant chemotherapy. In addition, DWI is promising as a noncontrast
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How Systematic Review Can Shape Clinical Practice in Radiology. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-10-18 Tae-Hyung Kim,Sungmin Woo
Systematic reviews offer radiologists a comprehensive synthesis of all relevant evidence pertaining to a specific question, aiding them in shaping their clinical practices. It is crucial for radiologists to familiarize themselves with the methods used in systematic reviews and meta-analyses and to understand the limitations. By doing so, they can effectively appraise and interpret results, enabling
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Sociodemographic Factors and Screening CT Colonography Use Among Medicare Beneficiaries. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-10-18 Eric W Christensen,Pina C Sanelli,Elizabeth Y Rula,Kevin J Chang,Courtney C Moreno,David H Bruining,Judy Yee
BACKGROUND. Approximately one-third of the eligible U.S. population have not undergone guideline-compliant colorectal cancer (CRC) screening. Guidelines recognize various screening strategies to increase adherence. CMS provides coverage for all recommended screening tests except CT colonography (CTC). OBJECTIVE. The purpose of this study was to compare CTC and other CRC screening tests in terms of
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Management of Severe Allergic-Like Contrast Media Reactions: Pitfalls and Strategies, From the AJR Special Series on Contrast Media. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-10-11 Daniella Asch,Michael J Callahan,Kerry L Thomas,Sagar Desai,Jay K Pahade
Adverse reactions to contrast media are often high-acuity events that are uncommon potentially life-threatening. Nonetheless, these events are treatable, and radiologists may be called upon to manage a contrast media reaction. However, because these events are infrequent, they are prone to management errors. This article highlights common pitfalls and practical tips for the management of acute contrast
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Machine Learning Using Presentation CT Perfusion Imaging for Predicting Clinical Outcomes in Patients With Aneurysmal Subarachnoid Hemorrhage. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-07-19 Pengzhan Yin,Jiaqi Wang,Chao Zhang,Jinlong Yuan,Mingquan Ye,Yunfeng Zhou
BACKGROUND. Prediction of outcomes in patients with aneurysmal subarachnoid hemorrhage (aSAH) is challenging using current clinical predictors. OBJECTIVE. The purpose of our study was to evaluate the utility of machine learning (ML) models incorporating presentation clinical and CT perfusion imaging (CTP) data in predicting delayed cerebral ischemia (DCI) and poor functional outcome in patients with
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Detection of Moderate Hepatic Steatosis on Portal Venous Phase Contrast-Enhanced CT: Evaluation Using an Automated Artificial Intelligence Tool. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-07-19 Perry J Pickhardt,Glen M Blake,Yotam Kimmel,Esther Weinstock,Keren Shaanan,Shiri Hassid,Ahmad Abbas,Matthew A Fox
BACKGROUND. Precontrast CT is an established means of evaluating for hepatic steatosis; postcontrast CT has historically been limited for this purpose. OBJECTIVE. The purpose of this study was to evaluate the diagnostic performance of portal venous phase postcontrast CT in detecting at least moderate hepatic steatosis using liver and spleen attenuation measurements determined by an automated artificial
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Risk of Acute Kidney Injury Following IV Iodinated Contrast Media Exposure: 2023 Update, From the AJR Special Series on Contrast Media. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-10-04 Jennifer S McDonald,Robert J McDonald
Iodinated contrast material (ICM) has revolutionized the field of diagnostic radiology through improvements in diagnostic performance and expansion in clinical indications for radiographic and CT examinations. Historically, nephrotoxicity was a feared complication of ICM use, thought to be associated with a significant risk of morbidity and mortality. Such fears often precluded use of ICM in imaging
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The Global Reading Room: A Patient With a Benign MRI-Targeted Biopsy of a PI-RADS Category 4 Lesion. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-10-04 Thaís C Mussi,Arnaldo Stanzione,Sree Harsha Tirumani,Chen-Jiang Wu
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Abbreviated MRI for Hepatocellular Carcinoma Surveillance: Point-Why Extracellular Contrast Agents Are Superior for This Task. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-10-04 Dietmar Tamandl,Wolfgang Schima
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Traumatic Cervical Cerebrovascular Injury and the Role of CTA: AJR Expert Panel Narrative Review. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-10-04 Arindam Rano Chatterjee,Ajay Malhotra,Patti Curl,Jalal B Andre,Gloria J Guzman Perez-Carrillo,Elana B Smith
Traumatic cerebrovascular injury (CVI) involving the cervical carotid and vertebral arteries is rare but can lead to stroke, hemodynamic compromise, and mortality in the absence of early diagnosis and treatment. The diagnosis of both blunt CVI (BCVI) and penetrating CVI is based on cerebrovascular imaging. The most commonly used screening criteria for BCVI include the expanded Denver criteria and the
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Editorial Comment: Artificial Intelligence for Detection of Endotracheal Tube Malposition-Augmented Rather Than Autonomous Radiology Interpretation. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-10-04 Brent P Little
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Abbreviated MRI for Hepatocellular Carcinoma Surveillance: Counterpoint-Hepatobiliary Contrast Agents Improve Detection and Characterization. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-10-04 Li Xin Zhang,An Tang
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Spatial Resolution Versus Contrast Resolution in Breast Ultrasound. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-09-27 Richard G Barr
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Reply to "Spatial Resolution Versus Contrast Resolution in Breast Ultrasound". Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-09-27 Ellen B Mendelson
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Imaging of Cardiac Fibrosis: An Update, From the AJR Special Series on Imaging of Fibrosis. Am. J. Roentgenol. (IF 5.0) Pub Date : 2023-09-27 Gauri Rani Karur,Ashish Aneja,Jadranka Stojanovska,Kate Hanneman,Rakesh Latchamsetty,David Kersting,Prabhakar Shantha Rajiah
Myocardial fibrosis (MF) is defined as excessive production and deposition of extracellular matrix (ECM) proteins, resulting in pathologic myocardial remodeling. Three types of MF have been identified: replacement fibrosis from tissue necrosis, reactive fibrosis from myocardial stress, and infiltrative interstitial fibrosis from progressive deposition of non-degradable material such as amyloid. While