Histology and Explanation of Acute viral myocarditisMyocarditis is an inflammation of the myocardium. Acute viral myocarditis is produced most often by Coxsackie B virus and echovisuses. Myocardial interstitium presents an abundant edema and inflammatory infiltrate, mainly wit… Read More
Histology and Explanation of Hemorrhagic infarct lungPulmonary infarct (hemorrhagic infarct of the lung) is an area of ischemic necrosis produced by venous thrombosis on a background of passive congestion of lung. In infarct area, alveolar walls, vascular walls and bronchioles … Read More
Histology and Explanation of Acute myocardial infarctMyocardial infarct - circumscribed area of ischemic necrosis - coagulative necrosis. In the first 12 - 24 hours, myocardial fibers are still well delineated, with intense eosinophilic (pink) cytoplasm, but lost their transver… Read More
Histology and Explanation of Coronary atherosclerosis - the fibrous plaque with calcificationCoronary artery with atherosclerosis (fibrous plaque). The atheromatous fibrous plaque is localized in the intima of the artery, beneath the endothelium, producing the thickening of the wall and, secondary, the narrowing of t… Read More
Histology and explanation of Recent coronary thrombosisThrombosis : recent thrombus in a coronary artery (branch in the epicardium) : The arterial lumen is completely obstructed by a recent thrombus - fibrin network (pink) containing red blood cells and platelets. The thrombus is… Read More
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