Medical Definition of Meningitis, neoplastic
Meningitis, neoplastic: A condition due to cancer that has spread from the original (primary) tumor to the meninges, the tissue covering the brain and spinal cord.
The term is a misnomer because the condition is not inflammatory. It is more properly called meningeal carcinoma or meningeal metastases.
Last Editorial Review: 7/1/2016
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