Case ReportAn incidental finding of Dandy-Walker malformationHochberg, Eric MPAS, PA-C; Niles, Erin MS, PA-CAuthor Information Eric Hochberg and Erin Niles practice in the Lung Rescue Unit, an adult veno-venous extracorporeal membrane oxygenation unit at the University of Maryland's R Adams Cowley Shock Trauma Center in Baltimore, Md. The authors have disclosed no potential conflicts of interest, financial or otherwise. Journal of the American Academy of Physician Assistants: January 2021 - Volume 34 - Issue 1 - p 22-24 doi: 10.1097/01.JAA.0000723916.22400.8f Buy Metrics Abstract Dandy-Walker malformation is a rare congenital anomaly affecting the posterior fossa, occurring in one in 30,000 births. Its hallmark characteristics include hypoplasia of the vermis, dilation of the fourth ventricle, and an enlarged posterior fossa. This case study describes a finding of Dandy-Walker malformation during a workup of encephalopathy in a patient on veno-venous extracorporeal membrane oxygenation for acute respiratory distress syndrome. Copyright © 2021 American Academy of Physician Assistants