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Air Bronchogram

Pathophysiology
1. Air containing bronchus
  1. Surrounded by collapsed or consolidated lung
Interpretation
1. Lung Consolidation or Atelectasis
  1. Secretions able to exit from consolidated region
  2. Good prognostic sign
2. Absence of air bronchogram within lobar Pneumonia
  1. Evaluate for central lung tumor
3. False negative
  1. Poorly penetrated films (white)

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This page was written by Scott Moses, MD. This page was last revised before 5/10/08, prior to consistent tracking of revision date. This page was last published on 6/1/2008. Please send comments and questions to the editor. Contact information may be found on the page About the Family Practice Notebook. These pages are best viewed with Microsoft Internet Explorer 6.0.