Filum terminale lipoma with tethered cord

Case contributed by Tanzilur Rahman
Diagnosis almost certain

Presentation

Low back pain

Patient Data

Age: 15 years
Gender: Male

Fat (T1WI and T2WI hyperintense) signal intensity is seen in filum terminale at the L4-L5 level.

Conus medullaris is low-lying (lower end of L3 vertebra).

Case Discussion

Imaging features suggest filum terminale lipoma with a tethered cord.

Filum terminale lipoma is a relatively common and incidental finding that is asymptomatic in most cases. However, it can be associated with spinal dysraphism or tethered cord.

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