Gray Hepatisation

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A phase of lobar pneumonia, typically occurring in the first wk of infection, at which time the lobe is covered with fibrin; the cut surface is grey, dry, and granular, alveoli are filled with fibrinous exudate composed of degenerating neutrophils and the inflammation is interconnected through the pores of Kohn
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The lungs were oedematous, with patchy to diffuse areas of consolidation, grey hepatisation especially involving apical, cardiac and diaphragmatic lobes.