Twenty classic signs in neuroradiology: A pictorial essay.
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.
Chavhan
Govind B
GB
Department of Diagnostic Imaging, Hospital for Sick Children, University of Toronto, 555, University Avenue, Toronto, Ontario M5G 1X8, Canada.
Shroff
Manohar M
MM