Thymic wave sign

Thymic wave sign refers to the indentation of the normal thymus in young children by the ribs, resulting in a wavy border on chest radiograph. 

There are at least 3 described signs relating to a normal thymus in infants; thymic sail signthymic notch sign and thymic wave sign. Being able to identify the signs helps in preventing overcalling the cardiothymic silhouette. 

See also

Chest
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Article information

rID: 12368
Section: Signs
Synonyms or Alternate Spellings:
  • wave sign of Mulvey

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