Mnemonics for the common cerebellopontine angle masses include:
- AMEN or MEAN
- SAME
- ANGLES
Mnemonics
AMEN/MEAN
- A: acoustic neuroma (a.k.a. vestibular schwannoma) (~80%)
- M: meningioma (~10%)
- E: ependymoma (~5%)
- N: neuroepithelial cyst (arachnoid/epidermoid) (~5%)
SAME
-
S: schwannoma
- vestibular schwannoma much more common than a trigeminal schwannoma
- A: aneurysm, arachnoid cyst
- M: meningioma, metastasis
- E: epidermoid cyst, ependymoma
ANGLES
- A: aneurysm, arachnoid cyst
- N: (it's almost M) - meningioma, metastasis, medulloblastoma
- G: glioma (brainstem glioma)
- L: lymphoma
- E: ependymoma, epidermoid cyst
- S: schwannoma
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