“…It not only guides a person's attention to environmental hazards, such as smoke and poisonous fumes, but also influences our eating habits, nutritional intake, and interpersonal relationships. [3][4][5] Given the critical impact of smell loss on daily life, preservation of olfaction cannot be overemphasized in all types of endonasal surgery. 2 Some patients with a normal sense of smell experience smell loss following various endonasal surgeries, such as septoplasty, rhinoplasty, and transsphenoidal pituitary surgery.…”