BIOPHOTO ASSOCIATES / SCIENCE PHOTO LIBRARY BIOPHOTO ASSOCIATES / SCIENCE PHOTO LIBRARY
X-ray of bronchiectasis. This is a disorder in which the bronchi and bronchioles, the airways of the lungs, are dilated and distorted (in red). This damages the tissue making it more prone to infection. It is a result of scarring caused by previous lung infections, most commonly tuberculosis. Treatment is aimed at controlling infections. A bronchogram is obtained by performing a chest X-ray after injection of a contrast medium.
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