Abstract
Background/Objectives: A 64 year old male patient was scheduled to receive microscopic laryngeal polypectomy to remove a mass located anterior vocal cord (0.3 × 0.5 cm ). Methods/Statistical analysis: A 5.5 french wired anode tube was tried to intubate but the airway anatomy was not suitable to intubation (short chin and protruded maxilla ) and large size epiglottis so intubation was failed. Jet injector was performed through vocal cord posterior wall and injector was intubated but worried tracheal trauma. Findings: The surgery was started and polypectomy was successfully completed, but subcutaneous emphysema, pneumothorax occurred. we tried to prevent life threatening events such as upper airway obstruction, tension pneumothorax, pneumopericardium, mediastinitis might be possible immediately tracheostomy was performed. Improvements/Applications: after that we find the reason of subcutaneous emphysema and we find mucosal perforation of below vocal cord area located in upper airway.
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