sacculotomy

例句：

1. 1. The patient underwent a saculotomy for the removal of a tumor in his spine.
   病人因脊柱肿瘤接受了脊髓切除术。
2. 2. The surgeon performed a saculotomy to relieve pressure on the nerves in her back.
   外科医生为了缓解她背部神经的压力，进行了脊髓切除术。
3. 3. Saculotomy is a surgical procedure that involves cutting through the spinal cord to treat certain conditions.
   脊髓切除术是一种手术程序，涉及切断脊髓以治疗某些条件。