Carotid blowout in a patient with nasopharyngeal carcinoma treated with SBRT re-irradiation for local recurrence using twice weekly treatment
Neil M. Woody, Aliye Bricker, Nikhil Joshi, Sara J. Zakem, Matthew D. Greer, Diana Mattson and Shlomo A. Koyfman
We present the case of a patient undergoing reirradiation for a T4 nasopharyngeal tumor 1 year after his initial radiation, treated with SBRT to a moderate dose with twice weekly fractionation. Despite the measures of caution employed, the patient had a fatal carotid blowout at 7 months following SBRT. This suggests that spacing apart fractions of SBRT alone may not be sufficient to obviate the risk of carotid blowout syndrome and other risk factors and interventions should be considered.
Keywords: head and neck, nasopharynx, re-irradiation, SBRT, carotid blowout
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