报告１０例腰骶部髓内及硬脊膜下脂肪瘤，均显微手术治疗。分析了肿瘤的临床和病理特点，ＣＴ及ＭＲＩ检查可明确诊断，临床漏诊多见于合并脊膜膨出者。认为显微手术切除肿瘤是目前对本病有效的治疗方法，并对本病显微手术中的某些问题进行了探讨。 Ten cases were reported lumbosacral intramedullary and subdural lipoma, were microsurgical treatment. Analysis of the clinical and pathological features of the tumor, CT and MRI examination can confirm the diagnosis, clinical missed more common in those with meningocele. It is considered that microsurgical resection of the tumor is an effective treatment for this disease and some problems in the microsurgical treatment of this disease are discussed.