Abstract
e admitted a 63-year-old man with persistent Wwheezing to our institution for further evaluation and management. He was initially diagnosed with and underwent management for bronchial asthma but had persistent symptoms and frequent exacerbations despite optimal medical therapy. Chest computed tomography showed irregular tracheobronchial luminal narrowing with wall thickening. Bronchoscopy under general anesthesia using rigid and flexible bronchoscopes revealed a hyperemic tracheobronchial mucosa with obscured cartilaginous rings and luminal narrowing with multiple variable-sized nodular or “bubble-like” masses (Fig 1). Therapeutic bronchoscopy with argon plasma coagulation, cryotherapy, and balloon dilation was performed, followed by silicone stent placement in the left main stem bronchus. Improvement in the patient’s
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