extranasal ethmoidectomy中文什么意思

鼻外筛窦手术

• ethmoidectomy:    筛房切除术; 筛骨切除术; 筛窦切除 ...
• external ethmoidectomy:    鼻外筛窦切除术
• intranasal ethmoidectomy:    鼻内筛窦手术