Cerebellopontine angle mass (mnemonic)
Mnemonics for the common cerebellopontine angle masses include:
- AMEN or MEAN
- SAME
Mnemonics
AMEN/MEAN
- A: acoustic schwannoma (~80%)
- M: meningioma (~10%)
- E: ependymoma (~5%)
- N: neuroepithelial cyst (arachnoid/epidermoid) (~5%)
SAME
-
S: schwannoma
- acoustic schwannoma much more common than a trigeminal schwannoma
- A: aneurysm, arachnoid cyst
- M: meningioma, metastasis
- E: epidermoid cyst, ependymoma