Welcome to the thoracic anatomy teaching case. Scroll through the images to gain an understanding of how to manipulate CT images. Axial images are the mainstay used by radiologists; coronal and sagittal images are also available.

Click the hyperlinks below to go to bookmarked images and try to identify the following structures. You can click the annotation button at the top of the screen to turn on/off labels.

Enjoy!

Sayf Al-Katib MD

Great Arch Vessels: Identify

• Brachiocephalic trunk
• Left carotid artery
• Left subclavian artery
• Right brachiocephalic vein
• Left brachiocephalic vein
• Trachea
• Esophagus

Aortic Arch: Identify

• Aortic Arch
• Superior vena cava
• Internal Mammary artery/vein
• Trachea
• Esophagus

AP Window: identify

• Ascending Aorta
• Descending Aorta
• SVC
• Azygous arch
• AP window fat (contains small lymph nodes)
• Internal mammary vessels
• Trachea (near carina)
• Esophagus

Pulmonary Artery: identify

• Main pulmonary artery
• Right pulmonary artery
• Left Pulmonary artery
• Ascending Aorta
• Descending aorta
• SVC
• Azygous vein
• Internal Mammary vessels
• Left superior pulmonary vein
• Left mainstem bronchus
• Right mainstem bronchus
• Esophagus

Atrial Appendage: identify

• Pulmonary artery
• Ascending aorta
• Descending aorta
• SVC
• Azygous vein
• Internal mammary vessels
• Left atrial appendage
• Left superior pulmonary vein
• Right superior pulmonary vein
• Left lower lobe bronchus
• Bronchus intermedius
• Esophagus

Cardiac Chambers: identify

• Right ventricle
• Left Ventricle
• Interventricular septum
• Left Atrium
• Right Atrium
• Interatrial septum
• Descending aorta
• Esophagus
• Azygous vein
• Internal mammary vessels

Cardiac Chambers: identify

• Right ventricle
• Left ventricle
• Left atrium
• Right atrium
• Interatrial septum
• Left inferior pulmonary vein
• Right inferior pulmonary vein
• Ascending aorta
• Descending aorta
• Esophagus
• Azygous vein
• Internal mammary vessels

Cardiac Chambers: identify

• Left ventricle
• Right ventricle
• Interventricular septum
• Right atrium
• Coronary sinus
• Descending aorta
• Azygous vein

Upper lungs: identify

• Major fissure
• LUL
• LLL
• RUL
• Trachea

Mid Lungs: identify

• Major fissures
• LUL
• LLL
• RUL
• RLL
• Left mainstem bronchus
• Bronchus intermedius

Lower lungs: identify

• LUL
• LLL
• RML
• RLL
• Major fissure
• RML bronchus
• RLL bronchus
• LLL bronchus