rachiocentesis

例句：

1. 1. The patient was given a rachiocentesis to remove the tumor.
   患者接受了一次拉希奥切特氏术以移除肿瘤。
2. 2.The procedure is performed under ultrasound guidance for accurate rachiocentesis.
   该手术在超声引导下进行，以确保准确的拉希奥切特氏术。
3. 3.The success rate of rachiocentesis in treating brain tumors has been increasing over the years.
   拉希奥切特氏术治疗脑瘤的成功率逐年提高。