Abstract:Abstract:ObjectiveTo explore the application value of ultrasonic knife technology assisted with electrocoagulation of sphenopalatine artery in nasopharyngeal angiofibroma surgery.MethodsClinical data of 16 patients suffering from nasopharyngeal angiofibroma surgically treated in our department from May 2005 to April 2015 were retrospectively analyzed. All patients were male adolescents and received preoperative digital subtraction angiography (DSA). Superselective external carotid arterial embolization was adopted in 9 cases, and endoscopic removal of tumor was performed. In the 7 cases without preoperative embolization, endoscopic removal of tumor was finished using electrocoagulation of sphenopalatine artery and ultrasonic knife technology. Clinical data including operation time, amount of bleeding, postoperative recovery time, tumor relapse in both groups were recorded and analyzed.ResultsThe differences of operation time, amount of bleeding and postoperative recovery time between the two groups were statistically insignificant (all P>0.05). All patients were followed up for 1 to 10 years postoperatively, and no recurrence occurred. The resection of nasopharyngeal angiofibroma assisted with electrocoagulation of sphenopalatine artery and ultrasonic knife technology could avoid complications of preoperative DSA and surgical risk.ConclusionUltrasonic knife technology assisted with electrocoagulation of sphenopalatine artery is a safe, minimally invasive and effective surgical method for nasopharyngeal angiofibroma. Whether to perform preoperative superselective external carotid arterial embolization depends on the location and clinical stage of the tumor, and the operation level of surgeons.