Fig. 2From: Cardiac tamponade caused by acute coxsackievirus infection related pericarditis complicated by aortic stenosis in a hemodialysis patient: a case reportPathological examination revealed fibrosis and scar formation in the thickened pericardium. Mild perivascular infiltration of T-lymphocytes was observed. Collagen fiber complex formation was increased as demonstrated by a finding of hyalinization. Edematous changes or fibrin precipitation were not observed. a Hematoxylin-eosin staining. b Elastica-Masson stainingBack to article page