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Background  We report our experience with patients who received re-irradiation to the head and neck area for locoregional recurrences (LRR) or second primaries (SP) in a previously irradiated field.    Methods  We reviewed 27 consecutive patients with a diagnosis of LRR or SP head and neck carcinoma treated with a second course of radiotherapy between April 2004 and July 2012. The main outcome measures were local control, overall survival, and complications. The results are expressed as actuarial values using the Kaplan–Meier estimates.    Results  The median follow-up time was 24.7 months (range: 11 days–79.3 months). There were 23 males and four females with a median age of 61 years (range: 40–87 years). The actuarial overall survival rates at 1, 2, and 5 years were 77, 59, and 57 %, respectively. The actuarial local control rate was 80, 52, and 52 % at 1, 2, and 5 years, respectively. Three patients developed systemic metastases. The rate of grade 3 toxicity was 26 %, and that of grade 4 toxicity was 3 %. There were two treatment-related deaths (grade 5 toxicity).    Conclusions  Continuous course re-irradiation in patients with LRR or SP head and neck cancer is feasible with acceptable toxicity. With current encouraging rates of local control and overall survival, this option should be discussed with patients who have few alternative therapeutic options.

journal of otolaryngology-head and neck surgery

A retrospective study of head and neck re-irradiation for patients with recurrent or second primary head and neck cancer: the McGill University experience