Carotid blowout syndrome after nasopharyngeal carcinoma radiotherapy: successful treatment by internal carotid artery occlusion after stent implantation failure.

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Carotid blowout syndrome after nasopharyngeal carcinoma radiotherapy: successful treatment by internal carotid artery occlusion after stent implantation failure.

Springerplus. 2016;5(1):1553

Authors: Dong F, Li Q, Wu J, Zhang M, Zhang G, Li B, Jin K, Min J, Liang W, Chao M

Abstract
INTRODUCTION: Carotid blowout syndrome (CBS) secondary to radiation therapy is life-threatening and requires emergency treatment. More recently, endovascular treatment has provided an effective way to control CBS-related bleeding.
CASE DESCRIPTION: We present a case of CBS with a rupture of the internal carotid artery (ICA) pseudo-aneurysm after Gamma Knife radiation therapy for nasopharyngeal carcinoma (NPC). The patient was a 55-year-old man who was transferred to our hospital with severe repetitive epistaxis. He had a history of NPC and had been treated with Gamma Knife radiation therapy 7 months prior, with a central dose of 32 Gy and marginal dose of 16 Gy. As CBS was confirmed by angiography, and the affected part of the ICA lumen exhibited moderate stenosis, the patient was successfully treated by ICA occlusion after stent implantation failure. The patient died 40 months after this operation from tumor recurrence, but without epistaxis during follow up.
DISCUSSION AND EVALUATION: Quick selection of an appropriate treatment method is very important for an acute CBS patient.
CONCLUSION: ICA occlusion can be directly considered for an acute CBS patient, if the affected ICA exhibits stenosis that is moderate or above.

PMID: 27652126 [PubMed]

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