Practical Procedure for Vocal Fold Augmentation.

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  • 声帯萎縮　　声帯充填術の実際

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Abstract

Vocal fold augmentation is one of the surgical treatments available for vocal fold atrophy. With this technique, fat and atero-collagen are most often injected, and fascia is transplanted to the sulcus vocalis in laryngo-micro surgery. Atero-collagen is used as the medical material due to its ease of injection enabling use with various surgical approaches. However, it has some disadvantages in terms of absorption rate and allergic reactions. Fat and fascia are safe because they are autologous tissue, but surgical processes are complicated. They also have absorption rates of the same degree. Generally, if material has affinity with tissue, it has a high rate of absorption. At present, we do not have ideal material for augmentation of the vocal fold, and its development is awaited. Clinically, material and method should be selected on a case-by-case basis. This paper aims to introduce a practical technique for collagen injection.

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