Fig. 1From: Micro-RNA-21 (biomarker) and global longitudinal strain (functional marker) in detection of myocardial fibrotic burden in severe aortic valve stenosis: a pilot studyCharacterization of Fibrotic Areas (Immunohistochemistry). a Myocardial fibrosis is composed by collagen fibers with inter-dispersed vimentin positive fibroblasts (arrows). b Only rare CD45 positive inflammatory cells are encountered (arrow) (original magnification, ×10)Back to article page