A clinical analysis of the diagnosis value of cerebrospinal fluid cytology with negative imaging of meningeal carcinomatosis: report of four cases
MEI Jun-hua, REN Hai-tao, LEI Lan-ying, JIANG Tao, GONG Xue, LIU Lun, CHEN Guo-hua, XU Jin-mei
Chinese Journal of Contemporary Neurology and Neurosurgery . 2020, (7): 643 -647 .  DOI: 10.3969/j.issn.1672-6731.2020.07.015