Patient characteristics
The study included 28 surgically resected patients with prestyloid PPS tumors. Between 2015 and 2017, 14 patients were treated with a lateral approach. Between 2018 and 2020, 14 were treated with a medial approach. Thirteen tumors (46.4%) originated in the deep lobe of the parotid gland. Seventeen (60.7%) were benign. Patient and tumor characteristics are shown in Table 1.