Crow feet sign (round atelectasis)

Changed by Daniel J Bell, 27 Oct 2017

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Crow feet sign is a characteristic but uncommon feature seen in round atelectasis.

On CT, this is seen as linear bands radiating from a mass into adjacent lung tissue which resemblesresembling the feet of thea crow. This sign should not be confused with fibrotic changes occurring in the lung.

  • -<p><strong>Crow feet sign</strong> is a characteristic but uncommon feature seen in <a href="/articles/round-atelectasis">round atelectasis</a>.</p><p>On CT, this is seen as linear bands radiating from mass into adjacent lung tissue which resembles the feet of the crow. This sign should not be confused with fibrotic changes occurring in the lung.</p>
  • +<p><strong>Crow feet sign</strong> is a characteristic but uncommon feature seen in <a href="/articles/round-atelectasis">round atelectasis</a>.</p><p>On CT, this is seen as linear bands radiating from a mass into adjacent lung tissue resembling the feet of a crow. This sign should not be confused with fibrotic changes occurring in the lung.</p>

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