Lobar collapse, atelectasis

Playlist contributed by Akos Jaray
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This playlist only demontrates the typical X-ray features of lobar collapses and rounded atelectasis

Look for:

  • consolidation with volume loss
  • displaced hilum
  • paucity of the vascular markings (secondary to concomitant inflation)
  • heart border effacement (RML)
  • opacity in the projectionof the heart (LLL, RLL)
  • Golden S-sign (RUL)
  • veil like diffuse opacity (LUL)

Lateral film helps a lot!

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