Larynx anomaly

Larynx anomaly (also referred to as congenital anomaly of the larynx or congenital laryngeal malformation) encompasses a group of rare structural abnormalities of the larynx that are present at birth. These malformations affect the upper airway and can involve various laryngeal structures including the epiglottis, arytenoid cartilages, vocal cords, subglottic region, or laryngeal cartilage framework. The condition falls under the broader ICD-10 category Q31, which includes congenital malformations of the larynx such as laryngeal web, laryngomalacia, congenital subglottic stenosis, congenital laryngocele, and other unspecified congenital anomalies of the larynx. Key symptoms depend on the specific type and severity of the anomaly but commonly include stridor (noisy breathing), feeding difficulties, weak or abnormal cry, respiratory distress, and in severe cases, life-threatening airway obstruction. Laryngomalacia is the most common congenital laryngeal anomaly and typically presents with inspiratory stridor that worsens with feeding, crying, or supine positioning. Subglottic stenosis and laryngeal webs may cause more significant airway compromise requiring earlier intervention. Management varies based on the specific anomaly and its severity. Mild cases, particularly laryngomalacia, may resolve spontaneously as the child grows and the laryngeal cartilage matures. More severe cases may require surgical intervention, including supraglottoplasty, endoscopic laser surgery, laryngotracheal reconstruction, or tracheostomy for airway stabilization. Multidisciplinary care involving otolaryngologists, pulmonologists, speech-language pathologists, and feeding specialists is often necessary to optimize outcomes. Some congenital laryngeal anomalies may occur as isolated findings, while others can be associated with broader genetic syndromes or chromosomal abnormalities.

Data sourced from FDA regulatory filings and ClinicalTrials.gov. Updated periodically.

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