Intramedullary spinal cord metastases

Extremely rare manifestation of disseminated cancer, occur in fewer than 2% of autopsy cases and represent 8.5% of all CNS metastases.

Lung cancers account for half of all cases with small and non-small cell lung cancers almost equally represented.

Breast cancer, kidney cancer, colorectal cancer, melanomas, Hodgkin’s disease account for 14%, 6%, 5%, 6%, and 4% of cases, respectively.

Frequently associated with a Brown-Sequard syndrome.

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