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Original Research

Breast Imaging   Benign Breast Papilloma without Atypia: Outcomes of Surgical Excision versus US-guided Directional Vacuum-assisted Removal or US Follow-up   US-guided directional vacuum-assisted removal or US follow-up without intervention could be an alternative to surgical excision for benign breast papilloma without atypia.       Hye Young Choi, Sun Mi Kim...Woo Kyung Moon

Cardiac Imaging   Acute Effects of Electronic Cigarette Aerosol Inhalation on Vascular Function Detected at Quantitative MRI   Nicotine-free e-cigarette aerosol inhalation in young, healthy nonsmokers resulted in transient impairment of vascular reactivity and endothelial function by using quantitative MRI metrics across multiple vascular beds.       Alessandra Caporale, Michael C. Langham...Felix W. Wehrli

Evidence-based Practice   MRI for Detecting Root Avulsions in Traumatic Adult Brachial Plexus Injuries: A Systematic Review and Meta-Analysis of Diagnostic Accuracy   This systematic review and diagnostic test accuracy meta-analysis shows that the overall accuracy of MRI for traumatic brachial plexus root avulsion is modest.       Ryckie G. Wade, Yemisi Takwoingi...Grainne Bourke

Health Policy and Practice   City Patterns of Screening Mammography Uptake and Disparity across the United States   This study demonstrated disparities in screening mammography use at the city level–irrespective of city size–throughout the United States, with geographic region strongly informing urban screening utilization.       Eric Kim, Linda Moy...Samantha L. Heller

Obstetric Imaging   First-Trimester Exposure to Gadolinium-based Contrast Agents: A Utilization Study of 4.6 Million U.S. Pregnancies   This study identified higher rates of exposure to gadolinium-based contrast agents (GBCAs) during the first few weeks of pregnancy when compared with rates of exposure later in pregnancy, suggesting inadvertent exposure to GBCAs might occur before pregnancy is recognized.     Steven T. Bird, Kate Gelperin...Ira Krefting

Editorial: Gadolinium Administration in Undetected Pregnancy: Cause for Alarm? David F. Kallmes, Robert E. Watson, Jr

Communications

Special Communication   Congratulations to the 2019 Editorial Fellows Jeffrey S. Klein