UNTETHERED FILUM TERMINALE PRESENTING AS CAUDA-EQUINA LESION

We report the case of a young girl with recurrent bladder dysfunction, Magnetic resonance imaging performed for evaluation of initial urolog ic symptoms revealed a low-lying conus medullaris, She underwent an L- 5 laminectomy and cord untethering by sectioning of the filum terminal e. After initial improvement of bladder function, her symptoms returne d 4 years later, Repeat magnetic resonance imaging demonstrated a new intradural lesion at L-2 At surgery she was found to have an untethere d, thickened, coiled filum terminale at L-2.