Analysis of Facial Nerve Functionality and Survival Rates of Patients with Parotid Salivary Gland Carcinoma Submitted to Surgery, Facial Nerve Reconstruction, and Adjuvant Radiotherapy

Background and Objectives: Parotid cancer (PC), when treated surgically, may have associated damage to the functionality of the facial nerve. The role of radiotherapy in the recovery of facial motricity remains controversial. This study aimed to evaluate the impact of radiotherapy (RT) on facial ner...

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Published in:Surgical Techniques Development 2023-06, Vol.12 (2), p.68-79
Main Authors: Bernaola-Paredes, Wilber Edison, Novelli, Franco, Albuja-Rivadeneira, Estefani, Flosi, Adriana Aparecida, Ribeiro, Anna Victoria Garbelini, Nogueira, Helena Rubini, Köhler, Hugo Fontan, Pinto, Clóvis Antonio Lopes, Vallejo-Rosero, Kleber Arturo, Pellizzon, Antonio Cassio Assis
Format: Article
Language:English
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Summary:Background and Objectives: Parotid cancer (PC), when treated surgically, may have associated damage to the functionality of the facial nerve. The role of radiotherapy in the recovery of facial motricity remains controversial. This study aimed to evaluate the impact of radiotherapy (RT) on facial nerve functionality in patients who underwent parotidectomy and facial nerve microsurgical reconstruction. Materials and Methods: Four groups of patients were composed: (a) those who underwent parotidectomy without facial nerve reconstruction and RT; (b) those with nerve reconstruction and without RT; (c) those without nerve reconstruction and RT; and (d) those with nerve reconstruction and RT. Results: 49 patients were male, and 43 were female. A total of 89 underwent parotidectomy, 45 partials, and 44 total. Thus, in nine patients, the sural nerve was used for microsurgical reconstruction. Moreover, 48 patients had a normal facial pattern, 15 with paresthesia, and 29 with permanent paralyses after the House–Brackmann (HB) scale evaluation. Conclusions: The evaluation of nerve functionality after parotidectomy by the House–Brackmann scale is a feasible way to evaluate facial motricity that has already decreased in these patients. Finally, longitudinal studies must be performed to clarify the role of each therapy in the multimodal approach and their clinical impact in facial nerve function.
ISSN:2038-9582
2038-9582
DOI:10.3390/std12020006