DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Infected skin cancer scar. Infected scar on the chest of a 63 year old man 2 weeks after surgery to remove a squamous cell carcinoma. Squamous cells are flat scale-like cells in the upper layers of the skin. Squamous cell cancer is the second most common type of skin cancer. Most cases arise from pre-cancerous lesions known as solar keratoses, which are caused by sun damage. It mostly affects the elderly and is most common in men. The scar has become inflamed and filled with pus. Treatment is with antibiotics and regular cleansing of the wound.
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