Sagittal T2-weighted MRI scan of a Chiari showing typical peg-like appearance of cerebellar tonsils and associated syringomyelia. Source: Neurosurgery, CURRENT Diagnosis & Treatment: Surgery, 14e Citation: Doherty GM. CURRENT Diagnosis & Treatment: Surgery, 14e; 2015 Available at: https://accessmedicine.mhmedical.com/DownloadImage.aspx?image=/data/books/1202/doh_ch36_f018.png&sec=71525045&BookID=1202&ChapterSecID=71524516&imagename= Accessed: October 25, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved