enlarged pulmonary trunk on chest radiography

The differential of an enlarged pulmonary trunk/main pulmonary artery on chest radiography includes:

• normal
  • may appear prominent in young patients especially women
• projectional
  • rotation
  • lordotic view
• rotation of the heart
  • pectus excavatum
  • left lower lobe collapse
• pulmonary arterial hypertension (PAH)
• pulmonary embolism
• poststenotic dilatation
  • pulmonary valve stenosis
  • pulmonary artery coarctation
• increased pulmonary blood flow
  • left to right shunt
    • atrial septal defect (ASD)
    • ventricular septal defect (VSD)
    • patent ductus arteriosus (PDA)
• total anomalous pulmonary venous return (TAPVR)
• pregnancy
• high output cardiac failure
  • thyrotoxicosis
  • anaemia
• ​Marfan syndrome
• idiopathic dilatation of the pulmonary trunk: diagnosis of exclusion
• mimics
  • enlarged left atrial appendage
  • left hilar/mediastinal mass

Siehe auch:

• Pectus excavatum
• Lungenarterienembolie
• Persistierender Ductus arteriosus
• Atriumseptumdefekt
• left lower lobe collapse
• Marfan-Syndrom
• ventricular septal defect (VSD)
• pulmonale Hypertonie
• totale Lungenvenenfehlmündung