目的探讨采用90°硬性喉内镜下切除喉部良性的临床疗效。方法将60例喉部良性肿物在局部麻醉下,采用90°硬性喉内镜下切除。结果采用90°硬性喉内镜下喉部良性肿物切除,方法简单,易于操作,手术视野清晰,直观,减少了患者的手术创伤。结论采用90°硬性喉内镜下喉部良性肿物切除术方法切除60例喉部良性肿物,治愈20例,有效33例,无效7例,有效率88.33%。 Objective To investigate the clinical effect of benign laryngectomy with 90 ° hard endoscopy. Methods Totally 60 cases of laryngeal benign masses under local anesthesia were treated with 90 ° hard endoscopic resection. Results 90 ° rigid endoscopic laryngectomy was performed. The method was simple and easy to operate. The surgical field was clear and intuitive, which reduced the surgical trauma of the patients. Conclusions 60 cases of laryngeal benign tumor were excised by 90 ° hard endoscopic laryngectomy, 20 cases were cured, 33 cases were effective and 7 cases were ineffective. The effective rate was 88.33%.