Abstract
: Reirradiation of locoregionally recurrent, previously irradiated head/neck cancer may be considered in situations of unresectability, medical inoperability, or adverse pathologic features found at salvage resection. : Retrospective cohort analysis of toxicity and survival outcomes in locoregionally recurrent, previously irradiated patients with head/neck cancer treated with hyperfractionated split-course radiotherapy and concurrent chemotherapy. : Between March 1998 and September 2006, 39 patients initiated reirradiation at median of 2.3 years (range, 0.5-19) following prior radiotherapy. At median survivor follow-up of 24.5 months (range, 3-63.9), 10 patients are alive without evidence of disease. Median survival is 19.0 months, with estimated 1-, 2-, and 3-year overall survivals of 60.1%, 45.1%, and 22.7%, respectively. Locoregional failure was the predominant site of postreirradiation recurrence. Male sex, total radiotherapy dose, cycles of chemotherapy completed, and clinical response were associated with improved overall survival. : Reirradiation can offer long-term survival for patients with recurrent, previously irradiated head/neck cancers.
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