Remember SMALL MEN (like Tyrion Lannister from Game of Thrones) can travel in the narrow intradural intramedullary space to cause lesions there
S – Schwannoma
M – Meningioma
A – Arachnoid Cyst
L – Lipoma
L – Leptomeningeal disease
M – Melanocytoma
E – Epidermoid / Dermoid Cyst
N – Neurenteric cyst
Check out more visual mnemonics here: