Chest CT Appearances

Laryngotracheobronchial Papillomatosis CT Findings

• Focal or diffuse airway narrowing
• Nodular lesions that can be pedunculated or sessile
• Polypoid lesions
• Most typically seen in the larynx but can affect any part of the tracheobronchial tree

Other Information About Laryngotracheobronchial Papillomatosis

Etiology:

• Caused by HPV

Epidemiology:

• Rare
• Bimodal: papillomatosis usually occurs before age 5 or after age 14

Presentation:

• Dysphonia
• Stridor
• Dyspnea
• Dysphagia
• Cough

Prognosis:

• Papillomatosis is a benign condition
• Papillomas can be removed and medication and prevent them from recurring
• Recurrence is common