CHRIS BJORNBERG / SCIENCE PHOTO LIBRARY CHRIS BJORNBERG / SCIENCE PHOTO LIBRARY
Necrotising fasciitis. Coloured X-ray of necrotising fasciitis in a cut in the heel of a foot. The deep wound is full of gas (dark blue, centre right) produced by bacteria that have infected the wound and are destroying the fibrous connective tissue (fascia). Tissue death is known as necrosis. Bone is white and flesh light blue. This wound is infected with Streptococcus sp., Staphylococcus sp. and Clostridium sp. bacteria. In necrotising fascitis, large areas of fibrous connective tissue may rapidly become necrotic with a gangrenous appearance. The condition can be lethal if the bacteria causing the infection are resistant to common antibacterial drugs.
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