ENT Navigation Systems segmentation by application reveals distinct growth drivers. The market is primarily divided into Functional Endoscopy and Image-Guided Surgery. Functional Endoscopy, accounting for ~58% of adoption, focuses on real-time surgical guidance for sinus and nasal procedures, leveraging high-precision imaging to reduce complications. This segment benefits from rising minimally invasive procedures and aging populations with chronic ENT conditions. Conversely, Image-Guided Surgery, representing ~42% of the market, integrates preoperative CT scans with intraoperative navigation, enhancing accuracy in complex skull base surgeries. This application is driven by advancements in 3D imaging and growing demand for personalized treatment plans. Together, these applications shape the ENT Navigation Systems market size through complementary adoption in acute care and specialty hospitals.