perineoanoplasty

例句：

1. 1. The patient underwent perineoanoplasty to correct the hernia.
   患者接受了肛门成形术来纠正疝气。
2. 2.The procedure is typically performed under local anesthesia for perineoanoplasty.
   这种手术通常在局部麻醉下进行，用于肛门成形术。
3. 3. This type of surgery is often necessary when there is a significant prolapse or rectal prolapse during perineoanoplasty.
   在进行肛门成形术时，如果存在严重的脱垂或直肠脱垂，这种手术通常是必要的。