From the case: Sail boat (photo)

Used in the following article:

  • Sail sign (elbow) - “ The sail sign on an elbow radiograph describes the elevation of the anterior fat pad to create a silhouette similar to a billowing spinnaker sail ...”
  • Thymic sail sign - “ The thymic sail sign represents a triangular-shaped inferior margin of the normal thymus seen on a neonatal frontal chest radiograph. It is more c...”

View full size version of Sail boat (photo)

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