Near complete dynamic/ball-valve airway obstruction by a laryngeal cyst

Affiliations

• ¹ Department of Anesthesiology and Perioperative Medicine, Kingston General Hospital, Queen's University, Kingston, ON, Canada. gleniomizubuti@hotmail.com.
• ² Department of Anesthesiology and Perioperative Medicine, Kingston General Hospital, Queen's University, Kingston, ON, Canada.
• ³ Department of Otolaryngology-Head and Neck Surgery, University of Ottawa, Ottawa, ON, Canada.
• ⁴ Otolaryngology/Head & Neck Surgery, Department of Surgery, Queen's University, Kingston, ON, Canada.
• ⁵ Institute for Clinical Evaluative Sciences (IC/ES), Queen's University, Kingston, ON, Canada.
• ⁶ Kingston Ear Institute, Kingston, ON, Canada.