4.Pathologic change Morphology) (1)Fatty streak Gross:flat or slightly elevated lesion,yellow- color in the intima Microscope:subendothelial foam cells which mainly of smooth muscle cells and macrophages origin
4.Pathologic change ( Morphology) (1)Fatty streak Gross: flat or slightly elevated lesion, yellow- color , in the intima Microscope: subendothelial foam cells which mainly of smooth muscle cells and macrophages origin
圈重走普种大子 hongqing Medicol University (2)Fibrous plaque Gross:yellow white elevation/or waxy white Microscope:three zone fibrous cap -smooth muscle cells -scattered leukocytes dense collagen
重麦骑什大净 Chongqing Medical University (3)Lipid zone extracellular lipid Basal zone ■foam cells extracellular lipid (cholesterol crystals) SMC
重蹇等科大學 Chongqing Medicol University (4)Atheromatous plaque called as atheroma Gross: -The soft yellow nodules Microscope -fibrous cap -necrotic tissue,free fat and visible cholesterol crystals -granular tissue,few foam cells and lymphocytes
5.Complicated lesion Hemorrhage into the plaques Rupture of the plaques -ulceration thrombosis Calcification Formation of an aneurysm
5.Complicated lesion Hemorrhage into the plaques Rupture of the plaques -ulceration thrombosis Calcification Formation of an aneurysm