PMC9417347_01
Video laryngoscopy with 70  optics. (A) Circular supraglottic stenosis at the level of the vestibular folds; (B) Signs of diffuse fibrosis involving epiglottic cartilage and vallecula
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This showed circular supraglottic stenosis of approximately 95% of the lumen at the level of the vestibular folds, hypoplasia of the epiglottis, and alteration of the anatomy of the valleculae (Figure 1A and B).
Videotracheostomy with flexible fiber (through the tracheostoma): Late supraglottic stenosis 8 years after radiotherapy of the rhinopharynx and neck to treat undifferentiated carcinoma of the rhinopharynx. (A) Visualization of the carina and the right and left main bronchi, without alterations; (B) Videotracheostomy showing the vocal folds and the circular supraglottic stenosis
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A videotracheostomy performed one month after tracheostomy revealed normal carina and bronchi sources and supraglottic ring stenosis (Figure 2A and B).