?Carina? ultimately derives from Latin, meaning ?keel of a boat

  • In a Nutshell
    • Carinal Angle
      • The normal carinal angle is between 40-80 degrees.
TRACHEOBRONCHIAL TREE
The carinal angle
Ashley Davidoff thecommonvein.net
NORMAL AND WIDENED CARINAL ANGLE
A dancer demonstrates a normal carinal angle (upper image) and as she continues to extend her left leg, (lower images) the angle becomes greater than 80 degrees and in terms of the carinal angle becomes abnormal.
Ashley Davidoff MD

NORMAL FRONTAL CXR NORMAL ASYMMETRIC BRANCHING OF MAINSTEM BRONCHI
The normal CXR shows the characteristic asymmetric branching of the main stem bronchi. The right is short and stout and slightly more vertical while the left is long and thin and slightly more obtuse.
The normal carinal angle is between 40-80 degrees.
Ashley Davidoff MD

The Carinal Angle

Elevated Left Main Stem Bronchus

 

Elevated Right Main Stem Bronchus

 

Links and References

Polysplenia Syndrome TCV

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