Infective bicuspid aortic valve endocarditis causing acute severe regurgitation and heart failure: A case report

Figure 3 Histopathology of valvular specimens and micro-organism culture of excised tissues. A: Histopathological examination demonstrated inflammatory infiltrates containing large numbers of neutrophils (Hematoxylin & eosin staining, × 40); B: Active inflammation with abundant neutrophilic infiltration could also be seen at high power view (Hematoxylin & eosin staining, × 200); C: Positive culture of Streptococcus sanguinis isolated from the resected samples; D: Microscopic appearance of cultured Streptococcus sanguinis.