Abstract
We performed robotic parotidectomy with or without robotic neck dissection via a retroauricular approach in patients with parotid benign and malignant tumors and analyzed treatment outcomes of the patients to evaluate the safety and feasibility of robotic parotidectomy. Between January 2017 and July 2018, 53 patients received robotic parotidectomy with/without robotic neck dissection through a remote access retroauricular incision without a preauricular incision. All operations were successfully performed in all patients without significant perioperative complications or tumor spillage. Tumors were located in the superficial lobe of the parotid gland in 40 patients, and the remaining 13 tumors were located in the deep lobe of the parotid gland. Postoperative pathologic examination revealed benign tumor in 32 patients and malignant tumors in 18 patients. The mean operation time was 226 minutes in patients who underwent only parotidectomy and 375 minutes in patients who underwent parotidectomy with robotic neck dissection. The average amount of bleeding was 23 mL, and the amount of drainage after operation averaged 171 mL. The average length of hospital stay was 6 days. Postoperative complications were limited to transient facial paralysis in three patients, all of which resolved within 1 month. All patients were satisfied with their cosmetic results at 6 months after operation. Robotic parotidectomy with/without robotic neck dissection through a retroauricular approach was a feasible and safe technique in patients with parotid benign and malignant tumor. Specifically, we found it to be helpful in young patients with malignant parotid tumors who should receive cervical lymphadenectomy and parotidectomy, because it does not leave a visible scar on the face or neck. In the future, long-term follow-up will be necessary to validate its oncologic safety and functional outcomes.
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