Leptomeningeal drop metastases

Last revised by Francis Deng on 11 Jul 2023

Leptomeningeal drop metastases correspond to a CNS primary neoplasm spread inferiorly along the cerebrospinal subarachnoid spaces. It is usually presented as diffuse enhancing nodules along the spinal cord and cauda equina. 

Please refer on leptomeningeal metastases to a broad discussion on this entity and also mnemonic for causes of drop metastases.

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