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Gangrene

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Gangrene

Definition:

Gangrene is the death of tissue in part of the body.

Causes, incidence, and risk factors:

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Gangrene can occur when a body part loses its blood supply. This may happen from, for example, injury or infection. You have a higher risk for gangrene if you have:

• Diabetes
• Blood vessel disease (such as arteriosclerosis in your arms or legs)
• A serious injury
• Surgery
• Immunosuppression (for example, from HIV or chemotherapy)

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