- Origin and course:
- Starts at T4 as continuation of arch and
ends at the diaphragm at T 12 entering the diaphragmatic opening into the abdomen..
- At its origin it is to left of spine, but
moves to become anterior to the spine in the lower end.
- Relationship
- Anterior
- Esophagus in the lower portion
- Posterior
- Right
- Esophagus in the upper part
- Azygous vein
- Left
- Branches (most of these are not
demonstrable radiologically)
- Esophageal
- Intercostal
- Pericardial
- Bronchial
- Mediastinal
- Phrenic
- Appearance in
- CXR PA view
- CXR Lateral view
- CT angiogram
- Angiogram