The donut sign: a new angiographic sign for partially thrombosed aneurysms with flow-induced intraluminal thrombus

Sanne B van Rooij1, Ratna S Bechan2, Jeroen E Markenstein3

  • 1Department of Radiology, Medisch Centrum Alkmaar; Alkmaar, The Netherlands - wjjvanrooij@gmail.com.