The puff of smoke sign.
Ortiz-Neira
Clara L
CL
Department of Diagnostic Imaging, the Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada. clara.ortiz@calgaryhealthregion.ca
D002533:Cerebral Angiography; D003097:Collateral Circulation; D003937:Diagnosis, Differential; D006801:Humans; D009072:Moyamoya Disease / Q000000981:diagnostic imaging*