Nonasthmatic eosinophilic bronchitis in an ulcerative colitis patient – a putative adverse reaction to mesalazine: A case report and review of literature

Figure 1 Upper airway mucosa lesions. A: Axial computed tomography (CT) (lung window) showing circumferential irregular thickening of the tracheal wall - subglottic region; B: Axial CT (lung window) demonstrating the presence of a tracheal mucosa nodule-carina level.