• Christopher A Potter and Liangge Hsu.
• Emergency Division, Department of Radiology, Brigham and Women's Hospital, 75 Francis Street, Boston, MA 02115, USA; Neuroradiology Division, Department of Radiology, Brigham and Women's Hospital, 75 Francis Street, Boston, MA 02115, USA. Electronic address: cpotter3@bwh.harvard.edu.
• Neuroimaging Clin. N. Am. 2018 Aug 1; 28 (3): 397-417.

AbstractNeuroimaging in the emergency department increasingly involves patients at increased risk for acute neurologic complications from malignancy and immunosuppression, including patients with organ transplantation, diabetes mellitus, treatment of chronic disease, and HIV positivity. These patients are susceptible to the same infections and emergencies as immunocompetent patients, but may present differently with common illnesses and are susceptible to a variety of other diseases. This article reviews important patient risk factors, emergent central nervous system abnormalities, and their imaging findings. Detailed knowledge of risk factors and specific complications in these complex patients is essential for optimal image acquisition, interpretation, diagnosis, and treatment.Copyright © 2018 Elsevier Inc. All rights reserved.

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