Atelectasis

Radiological Manifestations

Absorptive

  • Due to an obstructive lesion in bronchus
  • Atelectatic lung
  • Signs of loss of lung volume

Relaxation

  • Due to loss of negative pressure in pleura
  • It is secondary to space occupying lesions in pleura like pneumothorax and effusion
  • Mediastinum shifted to opposite side

Adhesive

  • Due to loss of surfactant.
  • Airway patent
  • Alveolar atelectasis

Next