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Cerebrovascular US 2
Cerebrovascular Ultrasound Set 2
| Question | Answer |
|---|---|
| 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 |
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sono-mama
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