Figure 2
From: Myocarditis in dogs: etiology, clinical and histopathological features (11 cases: 2007–2013)
Microscopic examination of heart specimens. A - degeneration of myocardium with disturbances in cardiomyocyte structure, presence of fibrous tissue and mild inflammatory infiltrates (arrows) (H&E; 200×); B – severe cardiomyocyte degeneration accompanied by severe granulocytic and slight lympho-plasmocytic infiltration in heart tissue adjutant to embolic material (H&E; 200×); C – severe granulocytic and moderate lympho-plasmocytic infiltration of infarct site (H&E; 200×); D –vegetative and spore forms of Borrelia burgdorferi in heart specimens (IHC stain, 600×); E – Borrelia burgdorferi spore forms in heart specimens (IHC stain, 600×).