Tracheobronchial Extension of Recurrent Respiratory Papillomatosis

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Abstract
Endobronchial and pulmonary dissemination reportedly occurs in 5% of patients with laryngeal papillomatosis. It is more frequently observed in the juvenile form, and carries significant implications for treatment. In this study, we review our experiences with pulmonary and endobronchial extension of laryngeal papillomatosis. The records of the 52 patients with laryngeal papillomas treated at our institution since 1980 were reviewed. Twenty-nine percent of the patients (N = 15) developed tracheobronchial extension; 7% (N = 4) demonstrated pulmonary involvement. The birth history, race, sex, age at onset of symptoms, presenting symptoms, site and type of papillomas, surgical procedures, other methods of treatment, complications, and mortality data were analyzed. Eighty percent of the patients with tracheobronchial involvement were born to mothers with a positive history of vaginal condylomas. Pulmonary changes in 4 patients were observed on either chest radiographs or computed tomography and were manifested as multiple parenchymal nodules in 3 of the 4 patients. Pneumatoceles, cavitary empyema, and multiple recurrent pneumonias were the predominant complications of pulmonary involvement. Of the 15 patients with tracheobronchial extension, 80% (N = 12) required tracheotomy before their presentation to us. The number of multiple surgical procedures performed to remove papillomas ranged from 7 procedures in 1 patient with a solitary tracheobronchial lesion to more than 100 procedures in 2 patients with diffuse bronchopulmonary papillomatosis. As our study shows, tracheobronchial involvement continues to complicate surgical treatment in this challenging disease process.