4) mastoidectomy
[英][,mæstɔi'dektəmi] [美][,mæstɔɪ'dɛktəmi]
乳突手术
1.
The effect and characteristic of mastoidectomy in children;
儿童乳突手术的特点和疗效分析
5) Open-circuit mastoidectomy with tympanoplasty
开放式乳突根治鼓室成形术
6) open procedure
开放剖腹式手术
补充资料：奥尔波特氏乳突牵开器