方法使用鼻内窥镜对21例鼻前庭囊肿病例行揭盖法鼻前庭囊肿造袋术.用英语怎么说？

方法使用鼻内窥镜对21例鼻前庭囊肿病例行揭盖法鼻前庭囊肿造袋术.

Method 21 patients with nasal vestibular cyst were subjected to marsupialization by nasal endospic.

method

n. 方法，条理；

例句
...an accrual method of accounting.
会计学中的应计法

patients

n. 患者( patient的名词复数 )，接受治疗者，受动着，承受者；

例句
...a Code of Practice that would give patients right of access to their medical records.
允许病人查看自己病历的职业准则

with

prep. 和，跟，随着，关于，和…一致；

例句
A waiter entered with a tray...
侍者端着托盘进来了。

nasal

adj. 鼻的，鼻音的；n. 鼻音字母，鼻音，鼻骨；

例句
The nasal spray was new on the market and highly efficacious.
这种鼻腔喷雾剂是新上市的，非常有效。

cyst

n. [医]囊肿，囊，泡囊，膀胱，[植]包囊；

例句
The cyst was causing swelling and exerting pressure on her brain.
那个囊肿正在引起肿胀，压迫着她的大脑。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

subjected

v. 提交( subject的过去式和过去分词 )，使经受，使遭受，使服从；

例句
All raw materials are subjected to our latest analytical techniques.
所有的原材料都将用我们最新的分析技术进行解析。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

marsupialization

n. 袋形缝术，造袋术；

例句
Method 21 patients with nasal vestibular cyst were subjected to marsupialization by nasal endospic.
方法使用鼻内窥镜对21例鼻前庭囊肿病例行揭盖法鼻前庭囊肿造袋术.

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品