arytenoidectomy by external approach杓状软骨切除术外进路
thyrotomy for arytenoidectomy喉裂开杓状软骨摘除术
Direct laryngoscopy with arytenoidectomy直接喉镜检查伴杓状软骨切除术
Arytenoidectomy external approach杓状软骨切除术外进路