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

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