Congenital respiratory tract disorders in 22q11.2 deletion syndrome

Publication date: January 2018
Source:International Journal of Pediatric Otorhinolaryngology, Volume 104
Author(s): Emmy Verheij, Lucienne Speleman, Aebele B. Mink van der Molen, Henricus G.X.M. Thomeer
ObjectiveRespiratory tract disorders have been reported in patients with 22q11.2 deletion syndrome, however infrequently. This study describes the respiratory tract disorders encountered in a cohort of 278 patients with 22q11.2 deletion syndrome.MethodsWe conducted a retrospective, cross-sectional, study at a single tertiary referral center. We identified the patients with 22q11.2 deletion syndrome and with an upper and/or lower respiratory tract disorder at our otorhinolaryngologic department. The different disorders were described.ResultsOut of 278 patients referred to the otorhinolaryngologic department, we identified 14 patients with a laryngeal and/or tracheal disorder. Nine patients had more than one congenital disorder in this anatomical area. Disorders included a choanal stenosis (n = 1), laryngeal web (n = 5), laryngeal cleft (n = 2), subglottic stenosis (n = 3), pharyngo-, laryngo-, tracheo- and/or bronchomalacia (n = 11) and tracheal stenosis (n = 1).ConclusionDifferent types of respiratory tract disorders can be present in patients with 22q11.2 deletion syndrome. Clinicians should be aware of this clinical association for timely and accurate diagnosis and treatment. In addition, the diagnosis 22q11.2 deletion syndrome should be considered in patients presenting with a congenital respiratory tract disorder.



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