Immunohistochemical reaction for neutrophils in the liver of mice inoculated with E. histolytica or E. dispar treated and untreated with dexamethasone. Increased number of immunoreactive neutrophils (arrowheads) adjacent to hepatic necrosis (N) in the groups EGG (a) and MCR (c) compared to groups EGG-DEX (b) and MCR-DEX (d). Non-necrotic hepatic parenchyma (H). Bar 50 μm. Harris's haematoxylin counterstained.