Gangrene is a dangerous and potentially deadly health problem
It happens when the blood flow to an area of tissue is cut off. This causes the tissue to break down and die. Gangrene often turns the affected skin a greenish-black color. The word gangrene is not related to the color green, but to the condition itself. It comes from Greek and Latin words for a gnawing sore or decayed tissue.
There are different types of gangrene
Dry gangrene occurs when the blood flow to tissue is cut off. The area becomes dry, shrinks, and turns black.
Wet gangrene occurs if bacteria invade this tissue. This makes the area swell, drain fluid, and smell bad.
Gas gangrene occurs if bacteria invade the deep muscle tissue. The skin may have bubbles and it may have a crackling sound. This is because gas bubbles have formed in the muscle tissue.
Fournier’s gangrene occurs if bacteria invade the genital organs, such as the scrotum, penis, or perineum. An infection in the genital area or urinary tract associated with trauma, operative procedures, or urinary tract disease, can cause this. The area becomes painful and red, with quick progression to gangrene and sloughing of the tissue.