DU CANE MEDICAL IMAGING LTD / SCIENCE PHOTO LIBRARY DU CANE MEDICAL IMAGING LTD / SCIENCE PHOTO LIBRARY
Lung lesion. Coloured frontal computed tomography (CT) scan of a woman with Wegener's granulomatosis, showing cavitating (cavity forming) lesions (orange) in the lungs (black). Wegener's granulomatosis is a form of vasculitis (inflammation of blood vessel walls) that affects the lungs and other organs. Due to its end-organ damage, it can be a serious disease that requires long-term immune suppression as treatment. In this case the disease has formed rounded masses in the lungs, which necrotise (die unnaturally) internally. This shows on the CT scan as fluid levels on the inside of the lesions.
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