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脊髓肿瘤脑脊液的变化与肿瘤的部位、性质、病程、大小、生长速度、椎管梗阻的程度,以及是否有并发症等因素有关.压力脊髓肿瘤腰穿压力往往较正常为低,因椎管多有不同程度的梗阻;少数脊髓肿瘤,尤其是低位而梗阻明显者,腰穿可以没有脑脊液流出.少数脊髓肿瘤可引起颅内压增高和视乳头水肿,压力在300mmH_2O以上,如Sato(1977)报告1例脊髓肿瘤患者腰穿压力达370～470mmH_2O,并出
Changes of spinal cord tumor cerebrospinal fluid and tumor location, nature, duration, size, growth rate, spinal canal obstruction, and whether there are complications and other factors. Pressure spinal cord tumor lumbar puncture pressure is often lower than normal, due to more spinal canal There are different degrees of obstruction; a few spinal cord tumors, especially those with low obstruction, can have no cerebrospinal fluid outflow in lumbar puncture. A few spinal cord tumors can cause increased intracranial pressure and optic disc edema, and the pressure is above 300mmH 2 O, as reported by Sato (1977). One patient with spinal cord tumor had a lumbar puncture pressure of 370-470 mmH 2 O.