air-fluid level

air-fluid level

on an image made with a horizontal x-ray beam, a sharp flat horizontal line representing the interface between gas density above and fluid density below.
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A plain radiograph (Waters view) revealed no signs of sinusitis, such as mucosal thickness or an air-fluid level.
On ultrasonographic examination (USG) performed at the 24th gestational week, a uniloculated and pure cystic lesion with regular contours and a relatively thick wall including air-fluid level which caused shifting of the middle line and mediastinal structures towards the right side was observed in the left hemithorax.
If the cysts are perforated, in lung graphy, some different findings can be encountered such as the image of lotus, meniscus sign, and air-fluid level (1, 7).
Sagittal contrast-enhanced T1-weighted image (C) show air-fluid level in the cystic lesion suggestive of abscess cavity probably associated with air-forming bacterial infection.
The diagnosis of hydropneumopericardium requires the application of Shackelford criteria which include (i) high-pitched tympanic percussion note, (ii) loud metallic splashing sound synchronous with heart sounds, and (iii) characteristic chest X-ray with an air-fluid level in the pericardial cavity.
Computed tomography (CT) and a barium swallow showed an air-fluid level in a left-sided Zenker diverticulum (ZD) measuring 12 x 8.
Plain films will reveal unruptured pulmonary cysts as rounded masses of uniform density, while ruptured cysts result in complex cavitary lesions with variable radiographic features, which include an air-fluid level, a floating membrane (water-lily sign), a double wall, an essentially dry cyst with crumpled membranes (serpent sign, rising sun sign) or an empty cyst.
5) Radiological signs of gastric volvulus include a double air-fluid level on upright films, inversion of the stomach with the greater curvature above the level of the lesser curvature, positioning of the cardia and pylorus at the same level, and downward pointing of the pylorus and duodenum.
documented computed tomography (CT) evidence of either OMU narrowing and [greater than or equal to] 2 mm maxillary mucosal thickening or an air-fluid level in the maxillary antrum after maximum medical therapy.
An air-fluid level was present in the right maxillary sinus.
His chest X-ray was normal while abdominal X-ray showed mild generalised ileus without air-fluid levels.
An ultrasound scan showed free fluid in the perihepatic and perisplenic recesses, but no free air or air-fluid levels were seen on conventional radiographs.