DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Allergic reaction to surgical dressing. Close-up of inflammation around a surgical wound on the abdomen of a 14-year-old male patient with Crohn's disease, caused by an allergic reaction to a dressing used after colectomy surgery to remove part of the colon (large intestine). Crohn's disease causes inflammation, thickening, and ulceration of the intestinal tract. Its cause is unknown and there is no cure. Symptoms include abdominal pain, diarrhoea and the malabsorption of food, leading to weight loss.
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