原发性椎管内肿瘤是指原发于脊髓、脊膜、神经根及椎管内各种周围软组织的肿瘤,在中枢神经系统中较为常见。随着CT和MRI在临床中的普遍应用,使椎管内肿瘤能够得到早期诊断。但由于本病临床表现复杂、起病隐匿常被误诊、漏诊。从流行病学统计看,髓内肿瘤比较少见,大多为神经组织 Primary tumor in the spinal canal is the primary tumor in the spinal cord, the spinal membrane, nerve root and various surrounding soft tissue in the spinal canal, which is more common in the central nervous system. With the widespread application of CT and MRI in clinical practice, the spinal canal tumor can be diagnosed early. However, due to the complex clinical manifestations of the disease, occult onset is often misdiagnosed, missed diagnosis. From the epidemiological statistics, intramedullary tumors are relatively rare, mostly nervous tissue