Dorne H L
Radiology. 1986 Jan;158(1):41-2. doi: 10.1148/radiology.158.1.3510027.
The nature of pleural-based thoracic collections may be sonographically confusing. To help lessen this confusion, the fluid bronchogram, a useful sonographic sign of pulmonary parenchymal consolidation, is described. Bronchi containing fluid in consolidated lung can be identified using ultrasound.