Figure Legends Figure 1.
Figure 1A. Intraoperative, in vivo photograph of primary right tonsil lesion poorly visualized under white light.
Figure 1B. Representative image using System 1 demonstrating mild fluorescence of the right tonsil lesion.
Figure 2. Intraoperative, in vivo photograph of right glossotonsillar lesion poorly visualized with both white light (A) and System 1 (not shown). Representative image of tumor fluorescence with System 2 in vivo (B) and ex vivo (C).
Table 1. Demographics and tumor characteristics of the study population.