Implant of Atelocollagen Sheet for Regeneration of Scarred Vocal Fold

Abstract

Vocal fold scarring is characterized by histological alteration of the lamina propria of the vocal fold. Tissue engineering and regenerative medicine is a strong strategy for regenerating the scarred vocal fold. We applied an atelocollagen sheet implant to provide an appropriate scaffold for regeneration of the lamina propria. Clinical results were encouraging, showing improvement of the tissue property of the scarred vocal folds.