Linear atelectasis refers to a focal area of subsegmental atelectasis that has a linear shape. Depending on its shape, it is also known as plate, discoid or band atelectasis. Linear atelectasis may appear to be horizontal, oblique or perpendicular and is very common. It usually occurs as a consequence of subsegmental bronchial obstruction can can remove as quickly as it occurs.
- hypoventilatory change in patients who are not taking deep breaths ("splinting"),
- post operative status
- chest wall trauma such as rib fracture
- pleuritic chest disease
- pulmonary embolism
- bronchogenic carcinoma
- 1. Woodring JH, Reed JC. Types and mechanisms of pulmonary atelectasis. (1996) Journal of thoracic imaging. 11 (2): 92-108. Pubmed
- 2. Baron MG. Fleischner lines and pulmonary emboli. Circulation. 1972;45:171–8.
- 3. Ozturk K, Soylu E, Topal U. Linear Atelectasis around the Hilum on Chest Radiography: A Novel Sign of Early Lung Cancer. (2018) Journal of clinical imaging science. 8: 27. doi:10.4103/jcis.JCIS_35_18 - Pubmed
Related Radiopaedia articles
- airspace opacification
- differential diagnoses of airspace opacification
- lobar consolidation
- lobar lung collapse