Horseshoe lung

Case contributed by Dr Rachael O'Rourke


Known case of Scimitar syndrome

Patient Data

Gender: Female

Horseshoe lung in the setting of scimitar syndrome

  • Tongue of pulmonary parenchyma passing between the aorta and heart, appearing confluent with the left lung in a horseshoe configuration.
  • Large right sided scimitar vein draining to the distended IVC.
  • Hypoplastic right lung causing mediastinal shift to the right.

Case Discussion

Horseshoe lung is a potential finding in congenital pulmonary venolobar syndrome, where the most inferior portion of the right lung passes posterior to the heart, anterior to the aorta and abuts/ joins the left lung in a horseshoe configuration. It has little clinical relevance other than as a hallmark for other important congenital findings such as:

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Case information

rID: 38005
Published: 1st Jul 2015
Last edited: 16th Jul 2018
System: Chest, Cardiac
Inclusion in quiz mode: Included

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