Mediastinum Flashcards
Superior mediastinum borders (anterior, posterior and inferior)
Manubrium
T1-4
Transverse plane (T4/5 or sternal angle)
Superior mediastinum contents: arteries (4) and veins (2)
Aortic arch
Brachiocephalic
Left common carotid
Left subclavian
Brachiocephalic
SVC
Superior mediastinum contents: nerves (3), lymphatics (1), other (3)
Vagus
Phrenic
Left recurrent laryngeal
Thoracic duct
Trachea
Oesophagus
Thymus
Inferior anterior mediastinum: anterior border and contents (3)
Sternum
Thymus
Lymph nodes
Fat
Inferior middle mediastinum: contents (6)
Heart Pericardium Ascending aorta Pulmonary trunk SVC Phrenic nerve
Inferior posterior mediastinum: lateral, anterior, posterior and floor borders
Mediastinal pleura
Pericardium
T5-12 vertebrae
Diaphragm
Inferior posterior mediastinum contents: arteries (5) and veins (3)
Descending aorta Posterior intercostal Bronchial Oesophageal Superior phrenic
Azygous
Hemiazygous and accessory
SVC/IVC
inferior posterior mediastinum contents: nerves (4), lymphatics (2) and other
Sympathetic chain
Vagus
Splanchnic
Oesophageal plexus
Thoracic duct
Cisterna chyli
Oesophagus