Chapter 4 Cell injury, inflammation and repair/Fig 4.08.jpg

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Other forms of necrosis. (A) Fibrinoid necrosis. In this artery there is accumulation of a fibrin-like substance (arrow) in the media. In this case it is part of a generalized systemic vasculitis. (Courtesy of Dr Katrina Wood.) (B) Caseous necrosis. This is granulomatous inflammation with degeneration at the centre of the lesion, a characteristic feature of tuberculosis. (Courtesy of Dr Fiona Black.) (C) Fat necrosis. In this case destruction of the peritoneal fatty tissue has resulted from the release of lipases following pancreatitis.