Factors of perioperative depressive and anxiety symptoms in patients with parotid gland tumor and its influence on postoperative complication and quality of life: a cohort study.

Background: Parotid gland tumors (PGTs) are the most common benign neoplasms of salivary gland tumor. Due to its tendency to affect the aesthetic appearance of the face, patients with PGTs are often prone to negative emotions, which seriously affects their recovery. However, there are fewer studies on risk factors associated with the development of anxiety and depression in patients.