air bronchogram

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air bron·cho·gram

radiographic appearance of an air-filled bronchus surrounded by fluid-filled airspaces.

air bron·cho·gram

(ār brong'kō-gram)
Radiographic appearance of an air-filled bronchus surrounded by fluid-filled airspaces.


the film obtained by bronchography.

air bronchogram
air-filled bronchi seen as radiolucent, branching bands within pulmonary densities. Indicates involvement of lung parenchyma.
References in periodicals archive ?
A dynamic sign of alveolar consolidation in bedside ultrasonography: Air Bronchogram.
Evaluation of the air bronchogram sign on CT in solitary pulmonary lesions.
For the second reader, on the other hand, the variables absence of air bronchogram, presence of pleural effusion, and infiltrates in the upper and lower right lobes, had the best Kappa scores (Table 4).
The first, Grade 1, consists of a fine granularity with some air bronchograms visible.
The main features of RDS on LUS are as follows:[sup][5],[17],[18] Lung consolidation with air bronchogram, decrease or disappearance of lung sliding, disappearance of spared areas, alveolar-interstitial syndrome, pleural line abnormalities, pleural effusion, lung pulse and bilateral "white lung.
3) An air bronchogram is usually associated with lobar pneumonia and suggests air in bronchi against a background of consolidation.
The neonates were labelled as RDS if they developed respiratory distress within six hours and chest X-ray showed one or more of the following; poor expansion with air bronchogram, reticulogranular pattern and ground glass opacity.
Computerized tomography of the thorax revealed mediastinal lymphadenopathy with a diameter of 15 mm, consolidation located at the right middle lobe containing air bronchogram and with adjacent asiner nodules and ground glass opacification.
Sarcoidosis: The presence of mediastinal lymphadenopathy, nodular opacities and micronodules along bronchovascular bundles, central bronchovascular thickening and nodularity, confluent nodular opacities with air bronchograms, ground glass opacities, crowding and central retraction of bronchi and vessels near the hilae, and pleural or subpleural nodules.
AP and lateral chest X-ray showed intense subcutaneous air bronchograms on the neck which was compatible with pneumomediastinum.
The presence and distribution of the following radiologic abnormalities, namely, consolidations, ground-glass opacities (GGOs), air bronchograms, centrilobular nodules, interlobular septal thickening, reticulations, subpleural linear opacities, cystic changes, and pleural effusion, were assessed for each patient.
Computed tomography of the chest confirmed the presence of bilateral pulmonary infiltrates and consolidations with air bronchograms (Figure l).