Abstract:ObjectiveTo investigate the clinical application of cut needle biopsy (CNB) to the diagnosis of parapharyngeal space neoplasms.MethodsCNB was performed with automatic biopsy gun on 18 cases with neoplasms of parapharyngeal space.ResultsOf all 18 patients, 17 patients had the right qualitative diagnosis. The diagnostic accuracy rates of benign and malignant neoplasms were 92.9%(13/14) and 100%(4/4) respectively, another patients diagnosed with fibrous tissue because of needling direction. No complications were recorded.ConclusionWith advantages of high success rate, diagnostic accuracy and rare complications, CNB is worth being clinically applied to the diagnosis of neoplasms parapharyngeal space.