ARTICLEContemporary Management of Moyamoya Disease: Part II—Imaging Features and Grading SystemsLarson, Anthony S. BS; Johnson, Derek R. MD; Lehman, Vance T. MD; Rinaldo, Lorenzo MD, PhD; Klaas, James MD; Lanzino, Giuseppe MD; Savastano, Luis MD, PhDAuthor Information Mr. Larson is a Medical Student, Dr. Johnson is Assistant Professor, and Dr. Lehman is Assistant Professor, Department of Radiology; Dr. Rinaldo is a Resident, Department of Neurosurgery; Dr. Klaas is Associate Professor, Department of Neurology; Dr. Lanzino is Professor, Departments of Radiology and Neurosurgery; and Dr. Savastano is Assistant Professor, Department of Neurosurgery, Mayo Clinic, 200 1st St SW, Rochester, MN 55905, E-mail: [email protected]. The authors, 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.Category: Cerebrovascular, PediatricsSupplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the newsletter's website (www.contempneurosurg.com).Lippincott Continuing Medical Education Institute, Inc., is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians.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 May 14, 2022. Contemporary Neurosurgery: May 15, 2020 - Volume 42 - Issue 7 - p 1-8 doi: 10.1097/01.CNE.0000693984.67034.69 Buy SDC Take the CME Test Metrics © 2020 Wolters Kluwer Health, Inc. All rights reserved.