Due to limitations of technique, piecemeal technique and eggshell technique are gradually replaced by total en bloc spondelyctomy in treatment of spinal tumor.

• 由于在技术上存在一定的局限性，在脊柱肿瘤的手术治疗中蚕食技术及蛋壳技术逐渐被全椎体整块切除技术所代替。