Laryngeal distribution of recurrent respiratory papillomatosis in a previously untreated cohort

Objectives/Hypothesis To describe the distribution of recurrent respiratory papillomatosis (RRP) lesions across 21 laryngeal anatomic regions in previously untreated patients at initial presentation to provide insight regarding the natural history of RRP. Study Design Multi-institutional, retrospective case series. Methods Initial laryngoscopic examination videos of 83 previously untreated patients with adult-onset RRP were reviewed. Papilloma locations were recorded using a 21-region laryngeal schematic. Multivariate analyses by anatomic subsite were conducted for the entire population and for subgroups stratified by sex, age, and proton pump inhibitor (PPI) usage. Heat maps were generated, hierarchically color coding the anatomic distribution of disease. Results In this cohort, RRP was most likely to occur on the true vocal folds (TVFs) and anterior commissure (P