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Everything you need to know about Computed Tomography (CT) & CT Scanning


Question 12: 59 year old male with recent onset of chest pain as well as shortness of breath. The patient had a history of “some type of corrective cardiac surgery” as a child. What is the diagnosis?


Diagnosis: Pulmonary Artery Aneurysm

Pulmonary Artery Aneurysms: Facts

  • Rare
  • May be congenital or required
  • Pulmonary hypertension is common
  • Complications are hemoptysis which can lead to rupture and may prove fatal

Differential Diagnosis

  • Idiopathic dilatation of the pulmonary artery
  • Pulmonary valve stenosis
  • Pulmonary artery hypertension

Mycotic Pseudoaneurysm of the Pulmonary Artery

  • Right sided endocarditis
  • Necrotizing pneumonia
  • Syphilis
  • Tuberculosis (Rasmussen pseudoaneurysm)

Pulmonary Artery Aneurysms: IVDA

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Pulmonary Arteriovenous Malformations: Facts

  • Congenital in origin
  • 60-90% of patients have hereditary hemorrhagic telangiectasia (aka Rendu-Osler-Weber syndrome)

Idiopathic Dilatation of the Pulmonary Artery

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© 1999-2020 Elliot K. Fishman, MD, FACR. All rights reserved.