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First and longest running radiology society in the United States.
06/05/2026
Can you tell an infection from its mimicker? Join us June 25 for a practical, multimodality review of abdominopelvic infections across key organ systems.
Register now: https://arrs.org/ARRSLIVE/Education/Meetings/Symposia/VMA26/Infection-and-its-Mimickers-in-the-Abdomen-and-Pelvis.aspx
This weekend is the last chance to submit your idea for our mascot's name! Make your voice heard, and get entered to win RayVen merch!
Send in your idea at arrs.org/rayven 📩
Susana Calle tackles two infiltrative mass cases in this Radiology Case Review: Neuroradiology — available to stream now with your 2026 Meeting On Demand purchase.
Get access: https://www2.arrs.org/am26/arrs-2026-registration-information/
People care more about how AI will impact their personal care than the technical nuances. Ali Tejani, MD, Merel Huisman, MD, PhD, and Susan Shelmerdine, MBBS, PhD, discuss why translating complex concepts into real-world stories matters.
04/27/2026
Neuromyelitis optica spectrum disorder (NMOSD) is a relapsing autoimmune disease of the CNS. Accurate differentiation from mimics like multiple sclerosis (MS) and myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD) is critical due to stark differences in treatment and prognosis.
Characteristic periependymal brainstem lesion in 37-year-old man diagnosed with aquaporin-4–IgG–seronegative neuromyelitis optica spectrum disorder. Axial T2-weighted FLAIR MR image at level of upper pons reveals focal, patchy hyperintense lesion (arrow) involving left dorsal superior pons, left superior cerebellar peduncle, and adjacent subependymal surface of fourth ventricle.
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