Mr. Larson is a Medical Student, Department of Radiology; Dr. Nardi is Researcher, Department of Neurosurgery; Dr. Lanzino is Professor and Dr. Brinjikji is Associate Professor, Departments of Radiology and Neurosurgery; Dr. Scharf is Assistant Professor, Department of Neurology; and Dr. Savastano is Assistant Professor, Department of Neurosurgery, Mayo Clinic, 200 1st St SW, Rochester, MN 55905, E-mail: [email protected].

Mr. Larson, Dr. Nardi, Dr. Brinjikji, Dr. Scharf, Dr. Savastano, faculty, and staff in a position to control the content of this CME activity, and their spouses/life partners (if any), have disclosed that they have no financial relationships with, or financial interests in, any commercial organizations relevant to this CME activity. Dr. Lanzino has disclosed that he is a stock shareholder of Marblehead Medical LLC.

Category: Cerebrovascular, Pediatrics

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Lippincott Continuing Medical Education Institute, Inc., designates this enduring material for a maximum of 2.0 AMA PRA Category 1 Credits™. Physicians should claim only the credit commensurate with the extent of their participation in the activity. To earn CME credit, you must read the CME article and complete the quiz and evaluation on the enclosed form, answering at least 70% of the quiz questions correctly. This activity expires on September 29, 2022.