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For lung nodules, air bronchograms used to be associated with infectious causes of consolidation and, therefore to be benign. However, in the setting of a lung nodule, an air bronchogram is actually more frequent in malignant than in benign nodules. [1] [4] studied the tumour-bronchus relationship and described five types: [1]
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
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]
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.
“Wicked” costume designer Paul Tazewell opens up about the making of Elphaba and Glinda's costumes on Wicked — the meaning of the Elphaba's back outfits, the bubble dress and more.
The Department of Labor is proposing to phase out a controversial Depression-era program that lets some employers pay disabled workers less than the federal minimum wage.
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