The power of chest films: Evaluating lobar collapse

Research output: Contribution to journalArticle

Abstract

Lobar collapse (atelectasis) is characterized by loss of lung volume resulting from fibrosis, compression, surfactant abnormality, or bronchial obstruction. The prototypical form, resorption atelectasis, occurs when obstruction and the cycle of gas diffusion into the pulmonary capillaries render the affected segment partially or totally airless. The more atelectatic the lobe, the smaller and denser it appears on the chest film. Displacement of interlobar fissures is the only direct roentgenographic sign of lobar atelectasis; indirect signs arise from compensatory effects in the thorax. Malignancies, foreign bodies, secretions, and external compression are among the causes of bronchial occlusion leading to lobar collapse. It is important to rule out malignancy when the chest film finding is consistent with rounded atelectasis.

Original languageEnglish (US)
JournalJournal of Respiratory Diseases
Volume17
Issue number10
StatePublished - 1996
Externally publishedYes

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Pulmonary Atelectasis
Motion Pictures
Thorax
Lung
Foreign Bodies
Surface-Active Agents
Neoplasms
Fibrosis
Gases

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine

Cite this

The power of chest films : Evaluating lobar collapse. / Boyars, Michael.

In: Journal of Respiratory Diseases, Vol. 17, No. 10, 1996.

Research output: Contribution to journalArticle

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