When a patient with Behçet disease presents with haemoptysis, pulmonary vascular involvement should be considered.
Keywords: Behçet disease; bronchoalveolar lavage; occlusion; pulmonary artery; vasculo‐Behçet.
© 2020 The Authors. Respirology Case Reports published by John Wiley & Sons Australia, Ltd on behalf of The Asian Pacific Society of Respirology.