Background: Suprastomal granuloma is a common sequela of long term tracheostomy.It can obstruct the airway and result in failure of decannula-tion.

• 摘要目的：气切上方肉芽肿是长期留置气切管的后遗症，它可阻塞气道，使气切管无法拔除，病患因此无法恢复正常呼吸。