Fig. 1

Example of an agglutinative thrombus a: Duplex sonography outlined stenosis (*) in the right ICA of a 90-year-old woman suffering from multiple embolic strokes located in the ipsilateral cerebral hemisphere. A hypoechogenic structure was attached to the stenosis (arrows). b: In the course of several control examinations, the structure shifted into the lumen of the ICA. c: This finding was confirmed by CT-angiography. d: Detail enlargement of picture c. The patient underwent a thromboendarterectomy and an agglutinative thrombus was extracted. CCA: common carotid artery; ECA: external carotid artery; ICA: internal carotid artery