Intradural extramedullary spinal tumors (mnemonic)

Useful mnemonics to remember the differential diagnoses for intradural extramedullary spinal neoplasms include the following:

• No More Spinal Masses
• MNM

Mnemonics

No More Spinal Masses

• N: neurofibroma
• M: meningioma
• S: schwannoma
• M: metastasis

MnM

This simplified mnemonic, as in M&M candy, places the primary neoplasms in order of frequency, followed by secondary neoplasms.

• M: meningioma
• N: nerve sheath tumor
• M: metastasis