Dermoid cyst appears in T1 image as a fatty lesion (hyper intense ) while in T2 image with intermediate signal as seen in the image above and it does not take enhancement.
Intradural mass with mixed fat and solid components, consitent with a dermoid.
Sagittal whole spine T1 (a) and T2 (b) images showing
lobulated conus and cauda equine mass with multiple hyperintensities
extending along the central canal till the cervicomedullary junction. In
addition similar signal intensity focus is seen in fourth ventricle
(arrow)
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