The role of 125I interstitial brachytherapy for inoperable parotid gland carcinoma

Publication date: Available online 1 November 2017
Source:Brachytherapy
Author(s): Ming-Wei Huang, Wen-Jie Wu, Xiao-Ming Lv, Guang-Yan Yu, Jian-Guo Zhang
PurposeThe treatment of inoperable parotid gland carcinoma is challenging and controversial. The purpose of this paper was to present our experience in treating this malignancy using ¹²⁵I interstitial brachytherapy.Methods and MaterialsThirteen patients with advanced carcinomas of the parotid gland were included and treated with ¹²⁵I interstitial brachytherapy in Peking University School and Hospital of Stomatology from January 2003 to December 2015. All patients were treated with ¹²⁵I interstitial brachytherapy as a sole modality for the primary tumor. Furthermore, all of them were treated with neck dissection with/without adjunctive external beam radiotherapy for the neck, simultaneously. The prescription dose of interstitial brachytherapy was 140–160 Gy.ResultsMedian followup was 56 months (range: 8–105 months). The 2-year and 5-year local control rates were 91.7% and 58.2%, respectively. The 2-year and 5-year overall survival rates were 100% and 61%, respectively. No cervical lymph node metastasis was observed during the followup. No interstitial brachytherapy-related severe complications occurred. Facial nerve function was preserved well.Conclusions¹²⁵I interstitial brachytherapy is a feasible and effective treatment for inoperable parotid gland carcinomas without severe complications. And neck dissection with/without external beam radiotherapy is necessary for patients with cervical metastasis or at high risk of cervical metastasis.



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