“…In fact, ET carcinoma may present with the gradual onset of common symptoms such as persistent ET or nasal obstruction, ear fullness, tinnitus, pain, deafness, epistaxis, and headache [55, 62, 63, 65-68, 72, 73]. Locoregional involvement may be already evident at presentation, including cranial nerve infiltration [12,64,68,72], metastatic neck swelling [69,71], bleeding from uncommon sites [70]. Disease often progresses to intracranial invasion (Table 2) [55,62,64,68,69].…”