Twenty classic signs in neuroradiology: A pictorial essay

Indian J Radiol Imaging. Apr-Jun 2009;19(2):135-45. doi: 10.4103/0971-3026.50835.

Abstract

In this article we describe 20 classic signs in neuroradiology and provide illustrations of each; we also discuss the causes for their appearance, their reliability and sensitivity, and the differential diagnoses to be considered when they are encountered on imaging.