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  • Title: Bronchogenic cyst with tracheal involvement.
    Author: Yerman HM, Holinger LD.
    Journal: Ann Otol Rhinol Laryngol; 1990 Feb; 99(2 Pt 1):89-93. PubMed ID: 2301874.
    Abstract:
    Bronchogenic cysts are uncommon developmental anomalies of the primitive foregut that can produce symptoms of ventilatory compromise in infants and children. A 2-month-old child presented with episodes of stridor and obstructive apnea due to a bronchogenic cyst compressing the trachea and causing near-total obstruction. Aspiration of the cyst during bronchoscopy resulted in severe bradycardia (from 140 to 50 beats per minute), although blood pressure was stable and oxygen saturation remained at 100%. Subsequent elective thoracotomy revealed the cyst to be intimately associated with the vagus nerve, and vagal stimulation may have caused the bradycardia. Bronchogenic cysts, although rare, should be considered in the differential diagnosis of infants and children undergoing direct laryngoscopy and bronchoscopy for airway compromise. The endoscopic aspiration of cystic tracheal and bronchial lesions may not obviate the need for more definitive surgical treatment and, as this case demonstrates, is not free of potential hazard.
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