DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Abscess. Image 2 of 2. Abscess on a 44-year-old man's nose. An abscess is a painful pus-filled swelling caused by a bacterial infection. Here, the abscess is seen four days into treatment, after surgical drainage of the pus and commencing a course of antibiotics. See M108/758 for the abscess before treatment.
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