상부 식도괄약근과 후두에서의 보툴리눔 독소의 이용

Abstract

In otolaryngolgy head & neck surgery field, botulinum toxins are mainly used for the treatment of spasmodic dysphonia and essential vocal tremor. Recently, the indications of botulinum toxin are widen with the times, such as vocal fold granuloma, mutational falsetto, bilateral vocal cord paralysis, and chemical reduction for arytenoid dislocation as a adjunctive modality. And also used for the diagnosis and treatment of cricopharyngeal dysphagia especially for pure, isolated cricopharyngeal dysphagia instead of conventional cricopharyngeal myotomy.