Coagulative necrosis A wedge-shaped kidney infarct (yellow)with preservation of the outlines. Microscopic view of the edge of the infarct,with normal kidney (N) and necrotic cells in the infarct (I).The necrotic cells show preserved outlines with loss of nuclei,and an inflammatory infiltrate is present (difficult to discern at this magnification). Coagulative necrosis A wedge-shaped kidney infarct (yellow) with preservation of the outlines. Microscopic view of the edge of the infarct, with normal kidney (N) and necrotic cells in the infarct (I). The necrotic cells show preserved outlines with loss of nuclei, and an inflammatory infiltrate is present (difficult to discern at this magnification)