Figure Legends
Figure 1. Tracheal plug
Bulky tracheal plug removed from patient #5, the procedure was performed by urgent rigid bronchoscopy.
Figure 2. Photomicrographs of tracheal biopsy
Tracheal biopsy, 10x magnification, hematoxylin-eosin stain. Superficial fragments of squamous epithelium with acute inflammation, neutrophilic granulocyte infiltrate and erosive aspects.