Epidermoid cyst can be differentiated from arachnoid cyst by -
Ans. is 'a' i.e., MRI o Myelography cannot differentiate reliably between an epidermoid cyst and a noncommunicating arachnoid cyst,o It has largely been replaced by MRI.
MRI
USG
Myelography
CT scan
Brain Imaging: Inflammatory, Infectious, and Vascular Diseases