Diabetic grangrene: Diabetic grangrene usually are dry gangrene . In this case poor blood circulation to hands or feet causes the tissue decay and produces the bluish or black skin color. There is no oozing or pus. The body part usually the toes or foot turned into dead tissue and must be removed surgically ( Amputation) Diabetic patients should always take good care of their feet. Reference :CDC Diabetic care team .
Answered 8/14/2016
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