目的探讨脑脊液检查对诊断脑膜癌病的重要意义。方法对22例脑膜癌病患者临床资料进行回顾性分析。结果22例脑膜癌病患者中男15例,女7例,45岁以下6例,平均年龄(53.21±8.67)岁,临术及病理学诊断11例为肺癌,3例为胃癌,2例乳腺癌,1例为恶性淋巴瘤,5例来源未明。结论脑膜癌病为恶性肿瘤颅内转移的特殊形式,多以头痛为首发症状,脑脊液细胞学检查找到癌细胞是诊断脑膜癌病的金标准,多次复查细胞学有助于早期确诊。 Objective To investigate the significance of cerebrospinal fluid (CSF) examination in the diagnosis of meningeal carcinomatosis. Methods The clinical data of 22 patients with meningeal cancer were analyzed retrospectively. Results Among the 22 cases of meningeal carcinomatosis, 15 were male, 7 were female, 6 were below 45 years old (mean age 53.21 ± 8.67), 11 were diagnosed by pathology and pathology, 3 were gastric cancer, 2 were breast cancer Cancer, 1 case of malignant lymphoma, 5 cases of unknown origin. Conclusions Meningioma is a special form of intracranial metastasis of malignant tumor. Mostly headache is the first symptom. CSF is the gold standard for diagnosis of meningeal carcinomatosis. Cytology is helpful for early diagnosis.