Acral necrosis: Difference between revisions
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Revision as of 20:37, 8 August 2012
Acral necrosis | |
A hand with acral gangrene due to plague |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Acral necrosis is a symptom common in bubonic plague.
Etymology
The striking black discoloration of skin and tissue, primarily on the extremities, is commonly thought to have given rise to the name "Black Death," associated both with the disease and the pandemic which occurred in the 14th century. The term in fact came from the figural sense of "black", that is glum, lugubrious or dreadful.
Clinical Findings
Clotting and bleeding beneath the skin causes an area of hemorrhage, the presence of red blood cells lying outside of capillaries, into the skin and subcutaneous tissue. In isolation, this is called an ecchymosis or bruise and may be the result of injury or illness. However, acral necrosis occurs when blood supply is disrupted for prolonged periods, blackening and damaging the affected area and surrounding tissue.
Treatment
With appropriate medical treatment, areas with Acral necrosis may be successfully restored to function.
Prognosis
Untreated cases can lead to death.
Pathological Findings
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Hand: Gangrene: Gross excellent demonstration of gangrenous necrosis of fingers
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Hand: Gangrene: Gross excellent demonstration of gangrenous necrosis of fingers
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Hand: Gangrene: Gross excellent demonstration of gangrenous necrosis of fingers
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Necrosis of distal finger in a patient with panniculitis and fascitis, streptococcus A septicemia in a patient with Scleroderma who was on high dose steroids