The sergeant stripes sign refers to the oblique direction of the cerebellar tonsillar folia; this is seen in Chiari 1 malformation.
- 1. Aygun N, Shah G, Gandhi D. Pearls and Pitfalls in Head and Neck and Neuroimaging: Variants and Other Difficult Diagnoses. Cambridge University Press. ISBN:1107026644. Read it at Google Books - Find it at Amazon
- 2. Ross J, Brant-Zawadzki M, Chen M et-al. Diagnostic imaging. AMIRSYS. ISBN:072162880X. Read it at Google Books - Find it at Amazon