Conclusions The clinical manifestations and imaging results of meningeal carcinomatosis lack specificity, and cytological examination of CSF is a reliable diagnosing method for this disease.

• 结论脑膜癌病的临床表现及影像学检查缺乏特异性，脑脊液细胞学检查是诊断脑膜癌病的可靠依据。