Isolated lipoma of filum terminale in adults: MRI findings and clinical correlation.

Introduction: Fat within the filum terminale is frequently seen on routine magnetic resonance imaging (MRI) of the lumbosacral spine (LSS), with prevalence of 1-5%. The objective of this study was to determine the prevalence and MRI features of isolated lipoma of filum terminale (LFT) in adult population and its correlation with the patient clinical presentations.

Methods: Prospective analysis of all lumbosacral MRI performed at King Abdullah University Hospital during a 21-month period.