Tethered cord with a lipoma of the filum terminale

Case contributed by Ammar Haouimi
Diagnosis almost certain

Presentation

Neurogenic bladder.

Patient Data

Age: 15 years
Gender: Female

Low position of the conus medullaris terminating at S1-S2 level with thickened filum terminale fixed by a fusiform lipomatous lesion of high signal on both T1 and T2 attenuated on fat-saturated sequences visible at S2-S3 level, in keeping with a lipoma of the filum terminale. 

Lumbar scoliosis of right-sided convexity is noted with no vertebral anomalies.

Axial sequences (not shown) due to patient motion artifact.

Case Discussion

MRI features of a tethered cord with lipoma of the filum terminale

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