Dry necrosis

Dry necrosis is hard, blackened, leathery, mummified tissue. There is usually a clear demarcation line between necrosis and viable tissue.

Dry necrosis is the result of severe ischaemia, secondary to poor tissue perfusion from atherosclerotic narrowing of the arteries of the leg, often complicated by thrombus and occasionally, emboli.

Fig. 6.3 This necrotic toe in a previously undiagnosed diabetic patient was thought by him to be a blood blister.

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