ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
Crohn's disease. Coloured barium X-ray of the transverse colon of a patient suffering from Crohn's disease. Crohn's disease causes inflammation, thickening and ulceration (mottled region at upper left) of the intestinal tract, most often the small intestine and the colon (large intestine). Its cause is unknown. Symptoms include abdominal pain, diarrhoea and the malabsorption of food, leading to weight loss. Crohn's disease is treated with antibiotics and anti-inflammatory drugs. Surgical removal of inflamed regions of the intestine is sometimes also required. Barium is a radio-opaque medium that allows soft structures to be seen on X-ray.
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