DR BARRY SLAVEN / SCIENCE PHOTO LIBRARY DR BARRY SLAVEN / SCIENCE PHOTO LIBRARY
Perianal abscess woundcare. Close-up of a surgeon changing the wound packing in a patient's perianal abscess (in the region around the anus). An abscess is usually caused by infection. In severe cases, such as this, an abscess will need to be surgically drained and cleaned to allow healing.
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