Dry gangrene
Dry Gangrene
Dry gangrene (pronunciation: /draɪ ˈɡæŋɡriːn/) is a specific type of gangrene that typically occurs when the blood supply to tissue is cut off, causing the tissue to decay and die.
Etymology
The term "gangrene" originates from the Greek words "gangraina," which means "putrefaction of tissues." The prefix "dry" is used to differentiate this type of gangrene from other forms, such as wet gangrene, due to its dry and shriveled appearance.
Definition
Dry gangrene is characterized by dry and shriveled tissue that turns dark brown or black. This condition typically affects the extremities, such as the toes, fingers, and limbs, and is often caused by conditions that affect blood flow, such as diabetes or atherosclerosis.
Symptoms
Symptoms of dry gangrene include a change in skin color to a dark brown or black, a clear line between healthy and damaged skin, and a noticeable shrinkage of the affected tissue. Pain may or may not be present, depending on the individual and the extent of nerve damage.
Treatment
Treatment for dry gangrene involves addressing the underlying cause to restore blood flow, if possible. This may involve medication, surgery, or other treatments. In severe cases, amputation of the affected area may be necessary.
Related Terms
- Wet Gangrene: A type of gangrene that typically occurs when an infection in the affected tissue causes it to become moist and swollen.
- Gas Gangrene: A type of gangrene that is caused by a bacterial infection that produces gas within tissues.
- Necrosis: The death of cells or tissues from severe injury or disease, especially in a localized area of the body.
- Ischemia: A condition in which the blood supply to a part of the body is cut off, often leading to tissue death and potentially gangrene.
External links
- Medical encyclopedia article on Dry gangrene
- Wikipedia's article - Dry gangrene
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