RT Journal Article SR Electronic T1 Malignant meningioma metastasizing through the cerebrospinal pathways. JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 136 OP 142 DO 10.1136/jnnp.38.2.136 VO 38 IS 2 A1 S K Ludwin A1 F K Conley YR 1975 UL http://jnnp.bmj.com/content/38/2/136.abstract AB A 53-year old man presented with a malignant meningioma which was incompletely removed. The tumour subsequently metastasized through the cerebrospinal pathways causing clinical signs through invasion of the cranial nerve roots. Microscopically, the metastatic deposits displayed a papillary pattern and increased anaplastic cytological features.