Fatty Filum Terminale


43 y/o woman with low back pain.

Image Findings

A linear area of increased signal is seen on the sagittal image in the filum terminale on T1-weighted images. On the axial image, a focus of increased signal is seen in the cross-section of the filum.


A fatty filum terminale is found in a small percentage (<1%) of normal patients. This finding as well as fibrolipomas of the filum are occationally associate with tethered cords and a low lying conus medullaris.

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Last modified January 3, 1997
Copyright 1997 Ray Ballinger, University of Florida and VA Medical Center, Gainesville, FL.
URL: http://www.xray.ufl.edu/~rball/teach/551.html