Pectus Excavatum

  • Etiology: congenital depression of sternum
  • Imaging: Haller index = transverse diameter of chest (inner rib to inner rib) divided by AP diameter of chest (back of sternum to anterior part vertebral body) where chest is narrowest, it needs to be > 3.25, lines should be perpendicular to each other
  • Clinical: corrected by Nuss bar

Cases of Pectus Excavatum

CXR and CT of pectus excavatum
CXR PA and lateral and axial CT without contrast of the chest shows marked depression of the sternum posteriorly leading to deformation of the chest wall.
Clinical image of pectus excavatum
Clinical image shows a marked concavity of the chest wall.