CTICasesBehçet Syndrome with Multiple Pulmonary Artery Aneurysms
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Imaging findings
Chest CT demonstrates mild dilation of the main pulmonary artery and multiple peripheral, well-defined nodular lesions intimately associated with the segmental and subsegmental pulmonary arteries. These lesions represent multiple pulmonary artery aneurysms.
Key takeaways
Behçet syndrome is a multi-system vasculitis that can cause pulmonary artery aneurysms, which carry a high risk of fatal rupture and hemoptysis. This diagnosis should be strongly considered in patients of Mediterranean, Middle Eastern, or East Asian descent who present with unexplained hemoptysis, pulmonary artery aneurysms, and a clinical history of recurrent oral or genital ulcers.
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