Figure 2

Fiberoptic bronchoscopy and histological examination of tracheal stenosis. (A) Circumferential tracheal stenosis, greater than 70%, 1–2 cm beneath the vocal cords and marked inflammation of tracheal mucosa was noted at fiberoptic bronchoscopy. (B) Histological examination revealed acute and chronic inflammation and extended ulceration of bronchial mucosa, without granulomas.