Spinal Tumors Localization : Mnemonics

Intradural Intramedullary Spinal Tumors Mnemonic: I HEAL Intradural Extramedullary Spinal Tumors Mnemonic: MNM Extradural Spinal Tumors Lesions outside the thecal sac are categorized as extradural lesions. Remember that everything that isn’t in the thecal sac is extradural, including discs, bones, nerves, and blood vessels.

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