Histopathological findings in parvoviral myocarditis. 1A. Diffuse interstitial myocardial inflammatory infiltrate more prominent around interstitial capillaries and composed of macrophages and lymphocytes (20×). 1B. Hematoxilin-eosin stain showing vasocentric inflammation (40×). 1C-1D. CD68 positive macrophages were the most abundant cells present. (Figure 1C-10X Figure 1D-20X) 1E. Rare CD3 positive lymphocytes. 1F. Essentially negative CD20 immunohistochemical stain.
Tavora et al. Diagnostic Pathology 2008 3:21 doi:10.1186/1746-1596-3-21