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Cerebrovascular US 2

Cerebrovascular Ultrasound Set 2

A form of arteriosclerosis; localized accumulations of lipid-containing material, smooth muscle cells, collagen, fibrin, and platelets Atheromatous plaque
Atherosclerosis is formed within or beneath the ________________. Intima
_______________ causes thickening, hardening and loss of elasticity of walls. Atherosclerosis
Thin layer of lipid material on intimal layer is what type of atheromatous plaque? Fatty streak
Accumulation of lipids, callagen, and elastic fibers is what type of atheromatous plaque? Fibrous plaque
A fibrous plaque that includes fibrous tissue, more collagen, calcium and cellular debris is what type of atheromatous plaque? Complicated lesion
Deterioration of the nomally smooth surace of the fibrous cap; may result in distal embolization...This is what type of atheromatous plaque? Ulcerative lesion
Evident on B-mode as a sonolucent area within plaque is _____________________. Intra-plaque hemorrhage
Large amounts of red blood cells trapped within a fibrin network; clumps of platelets may also be evident. This is called _______. Thrombus
Piece of thrombus breaks loose and travels distally until it lodges in a small vessell. This is called ________________. Embolism
Localized dilatation of a blood vessel due to congenital defects or weakness of the wall is called ___________________. Aneurysm
An aneurysm is rarely seen in the ____________ carotid artery. Cervical
Pulsatile mass in the neck is usually a _____________. Very tortuous CCA
A sudden tear in the intima Dissction
Dissection creates a ______ ______ which may gradually extend proximally or distally. False Lumen
Overgrowth of media layer which can be in any vessel (often on test as in carotid). Fibromuscular Dysplasia
Has a characteristic bead-like appearance on angiography Fibromuscular Dysplasia
Fibromuscular Dysplasia is often seen in __________. Young Women
A small structure located just a bove the carotid bifurcations is called _______________. Carotid Body Tumor
Carotid Body Tumor is a ___________ vascular structure. Highly
Carotid Body Tumor is fed by the __________. ECA
Created by: sono-mama