Category: AJR OnTrend
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PET/CT Plays Role in Lung Adenocarcinoma Management
Published June 22, 2020 Fluorodeoxyglucose PET (FDG PET) can be used to predict the histopathologic subtypes and growth patterns of early lung adenocarcinoma. “FDG PET, combined with high-resolution CT (HRCT), has value for predicting invasive histopathologic subtypes, but there was no significance for predicting invasive growth patterns,” clarified authors Xiaoliang…
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MRI Predicts Shoulder Stiffness for Rotator Cuff Tears
Published June 22, 2020 Two MRI findings—joint capsule edema and thickness at the axillary recess, specifically—proved useful in predicting stiff shoulder in patients with rotator cuff tears. Studying 106 patients with small to large (≤ 5 cm) full-thickness rotator cuff tears, in addition to joint capsule edema and thickness in…
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New CT Scoring Criteria for Timely Diagnosis and Treatment of COVID-19
Published June 22, 2020 Updated CT scoring criteria that considers lobe involvement, as well as changes in CT findings, could quantitatively and accurately evaluate the progression of coronavirus disease (COVID-19) pneumonia. “The earlier that COVID-19 is diagnosed and treated, the shorter the time to disease resolution and the lower the…
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Pediatric Coronavirus Disease (COVID-19) Pneumonia Radiography, CT Findings Included in Review of Five New Lung Disorders
Published June 22, 2020 Although the clinical symptoms of new pediatric lung disorders such as severe acute respiratory syndrome (SARS), swine-origin influenza A (H1N1), Middle East respiratory syndrome (MERS), e-cigarette or vaping product use–associated lung injury (EVALI), and coronavirus disease (COVID-19) pneumonia may be nonspecific, some characteristic imaging findings have…
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Review of COVID-19 Studies Cautions Against Chest CT for Coronavirus Diagnosis
Published June 22, 2020 To date, the radiology literature on coronavirus disease (COVID-19) pneumonia has consisted of limited retrospective studies that do not substantiate the use of CT as a diagnostic test for COVID-19. “This is not to say these studies are not valuable,” maintained lead investigator Constantine A. Raptis…
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Low Back Pain Accounts for a Third of New Emergency Imaging in the U.S.
The use of imaging for the initial evaluation of patients with low back pain in the emergency department (ED) continues to occur at a high rate—one in three new emergency visits for low back pain in the United States. “Although there has been a modest decline,” wrote Jina Pakpoor of…
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Deep Learning Differentiates Small Renal Masses on Multiphase CT
A deep learning method with a convolutional neural network (CNN) can support the evaluation of small solid renal masses in dynamic CT images with acceptable diagnostic performance. Between 2012 and 2016, researchers at Japan’s Okayama University studied 1,807 image sets from 168 pathologically diagnosed small (≤ 4 cm) solid renal…
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A Step Toward Automated Triage of Thyroid Cancer
A Stanford University team has developed a quantitative framework able to sonographically differentiate between benign and malignant thyroid nodules at a level comparable to that of expert radiologists, which may prove useful for establishing a fully automated system of thyroid nodule triage. Alfiia Galimzianova et al. retrospectively collected ultrasound images…
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What to Know About Frostbite and Amputation
An AJR article reviewing various techniques and clinical management paradigms to treat severe frostbite injuries— especially relevant for interventional radiologists showed promising results using both intraarterial (IA) and IV tPA (tissue plasminogen activator) to reduce amputation. “Severe frostbite injuries can lead to devastating outcomes with loss of limbs and digits,…