Pseudomeningocele: an unusual cause of intraoperative tracheal compression and expiratory obstruction.

Cerebrospinal fluid leak resulting from spine surgery has been associated with postoperative upper airway obstruction and the need for emergent airway management. We report a case of a known pseudomeningocele resulting in acute intraoperative compression of the intrathoracic trachea and an unexpected variable expiratory obstruction.