“…According to this statement, in the current review of the literature, we exclusively selected cases with primary oral involvement, paying attention to attentively identify those ENAs occurring in the maxilla (or maxillary gingiva/palatal mucosa) that showed no involvement of the nasal/maxillary cavities. To the best of our knowledge and with the exclusion of the current case, a total of 20 cases of ENA matching the aforementioned criteria have been previously reported [ 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 ], the pertinent data of which on age, sex, site, symptoms and author/year of publication are listed in Table 1 .…”