Abstract：
BACKGROUND:Carotid free-floating thrombus (CFFT) is defined as a blood clot attached to the arterial wall with surrounding blood flow at its distal component. Although rare, it is a clinically significant cause of embolic stroke. CFFT within a stent has not been previously reported. CASE DESCRIPTION:We report a 64-year-old man who underwent carotid artery stenting for asymptomatic right carotid artery stenosis. Six months after carotid artery stenting, he was admitted to the emergency department 1 hour after onset of left hemiparesis and dysarthria. His National Institutes of Health Stroke Scale score was 10. His medical history was notable for hypertension, chronic renal insufficiency, and type 2 diabetes mellitus. Carotid ultrasonography showed a dumbbell-shaped CFFT attached to the carotid stent that was moving in synchrony with his heartbeat. CFFT removal was performed via an endovascular approach with manual suction using a Luer Lock syringe. The CFFT was completely removed without residual stenosis. Histologic examination suggested plaque rupture associated with a lipid-rich necrotic core. CONCLUSIONS:Carotid plaque formation and plaque rupture can occur within a carotid stent and present as a CFFT.
journal_name
World Neurosurgjournal_title
World neurosurgeryauthors
Sugie A,Yamada M,Yokoyama K,Yamashita M,Ito Y,Tanaka H,Nomura Y,Fujita M,Nakatani T,Kawanishi Mdoi
10.1016/j.wneu.2020.06.100subject
Has Abstractpub_date
2020-09-01 00:00:00pages
236-239eissn
1878-8750issn
1878-8769pii
S1878-8750(20)31358-9journal_volume
141pub_type
abstract：:We herein report a rare case of intraparenchymal meningioma in the right basal ganglia. The tumor was located incidentally and preoperatively diagnosed as malignant glioma. Preoperative magnetic resonance imaging revealed that the tumor involved the lenticulostriate artery, and open biopsy was performed to avoid posto...
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