Definition: absence of fusion of the interarytenoid musculature or cricoid cartilaginous laminae of varying severity: type 1, submucous cleft of the interarytenoid muscles (known also as occult posterior laryngeal cleft or submucous laryngeal cleft); type 2, partial cricoid cleft (known also as partial posterior laryngeal cleft); type 3, total cricoid cleft (known also as laryngotracheoesophageal cleft or total cricoid cleft); and type 4, extension of the cleft into the trachea. Symptoms of this anomaly are similar to those of tracheoesophageal fistula.
© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.