11institutetext: Knowledge-based Systems and Document Processing Research Group Faculty of Computer Science Otto-von-Guericke-University Magdeburg 11email: katrin.krieger@ovgu.de
Figure legends:
Fig 1. Preoperative laryngoscopy (a) Epiglottis stump adhered to the posterior pharyngeal wall. (b) Normal laryngeal structure
Fig 2. Intraoperative view (a) Preoperative view. (b) Remove superior mucosal flap. Arrow shows the direction of mucosal inversion. (c) Turn the mucosal flap of pharyngeal cavity surface (asterisk) to the lingual surface. (d) Suture the mucosal flap. Triangle indicates excess mucosa. (e) Remove excise excess mucosa. The incisal edge of lateral pharyngeal wall (arrow) is still bare, remained to be sutured. (f) Postoperative view showed good shape of the epiglottis.
Fig 3. Endoscopy performed 21 days after surgery.