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An air bronchogram is defined as a pattern of air-filled bronchi on a background of airless lung. [1] Consolidations. In pulmonary consolidations and infiltrates ...
Air bronchograms is defined as a pattern of air-filled bronchi on a background of airless lung, and may be seen in both benign and malignant nodules, but certain patterns thereof may help in risk stratification.
The air bronchogram sign, where branching radiolucent columns of air corresponding to bronchi is seen, usually indicates air-space (alveolar) disease, as from blood, pus, mucus, cells, protein surrounding the air bronchograms. This is seen in Respiratory distress syndrome [9]
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It is characterized by symmetric fine granular opacities, air bronchograms. It does not have pleural effusions because the lung dysfunction is not due to excess fluid (as can occur with a non-compressive Cesaerean section), but decreased surfactant , causing the lungs to be inelastic and crumpled.
Bamboo sign; Banana sign; Bat wing appearance; Bear paw sign; Beveled edge sign; Bird of prey sign; Bite sign; Black pleural line; Blade of grass sign (also known as Flame sign); Blumensaat's line
A pulmonary consolidation is a region of normally compressible lung tissue that has filled with liquid instead of air. [1] The condition is marked by induration [2] (swelling or hardening of normally soft tissue) of a normally aerated lung. It is considered a radiologic sign.
The nodules may also have a segmental or lobar distribution. Air alveolograms and air bronchograms can also be seen which indicate fluid in the alveoli with air in the terminal bronchioles indicating disease is alveolar. [1] These findings appear soon after the onset of symptoms and change rapidly thereafter.