Diagnostic Radiology/Chest Anatomy

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Normal Chest Anatomy

Name and define the three zones of the airways 

Define a secondary pulmonary lobule  

Define an acinus 

List the lobar and segmental bronchi of both lungs 

Identify the following structures on the posteroanterior (PA) chest radiograph: 
  • Lungs -- right, left, right upper, middle and lower lobes, left upper and lower lobes, lingula 
  • Fissures -- minor, superior accessory, inferior accessory, azygous  
  • Airway - trachea, carina, main bronchi  
  • Heart - right atrium, left atrial appendage, left ventricle, location of 
    the four cardiac valves  
  • Pulmonary arteries -- main, right, left, interlobar 
  • Aorta -- ascending, arch, descending 
  • Veins -- superior vena cava, azygous, left superior intercostal ("aortic nipple") 
  • Bones -- spine, ribs, clavicles, scapulae, humerus  
  • Right paratracheal stripe 
  • Junction lines -- anterior, posterior  
  • Aortopulmonary window 
  • Azygoesophageal recess  
  • Paraspinal lines 
  • Left subclavian artery 

Identify the following structures on the lateral chest radiograph: 
  • Lungs -- right, left, right upper, middle and lower lobes, left upper and lower lobes, lingula 
  • Fissures n-- major, minor, superior accessory  
  • Airway -- trachea, upper lobe bronchi, posterior wall of bronchus intermedius 
  • Heart -- right ventricle, right ventricular outflow stripe, left atrium, left ventricle, the location of the four cardiac valves  
  • Pulmonary arteries -- right, left 
  • Aorta --ascending, arch, descending 
  • Veins -- SVC, IVC, left brachiocephalic (innominate), pulmonary vein confluence  
  • Bones -- spine, ribs, scapulae, humerus  
  • Retrosternal line  
  • Posterior tracheal stripe 
  • Right and left hemidiaphragms 
  • Raiderís triangle 
  • Brachiocephalic (innominate) artery