Air-fluidlevel in the left maxillary sinus (red arrow) containing high attenuation is consistent with hematoma.
左侧上颌窦气液平面(红箭)密度较高,符合出血。
2
Duodenal diverticulum manifested as hemicycle lesion with gaseous density which had air-fluidlevel behind pancreatic head with clear border.
憩室表现为胰头右后方半圆形含气体腔影,可有液平,与胰头交界部边缘锐利。
3
Lung abscesses, if large enough, will contain liquefied necrotic material and purulent exudate that often results in an air-fluidlevel by chest radiograph in the abscess.