Postirradiated carotid blowout syndrome in patients with nasopharyngeal carcinoma: a case-control study.

Background: Carotid blowout syndrome is one of the most devastating complications of nasopharyngeal carcinoma (NPC) therapy.

Methods: A retrospective review was conducted from January 2004 to April 2013. Thirty-one patients with carotid blowout syndrome were enrolled and a case control study was conducted to analyze the risk factors.