A lady aged 28 presented with low backache for 2 years. The pain radiated to both her legs and had increased in intensity for the past 1 year.
She had a skin dimple over her lower back which had been present since birth.
MRI of the spine revealed a fibrous band attached to the skin of the back which then coursed through the spinal cord and was attached to the cord’s coverings at its front. The spinal cord was tethered and low lying, ending 3 vertebral levels below normal.
A diagnosis of Limited Dorsal Spinal Rachischisis was made.
The dermal sinus was excised and the cord de-tethered by microsurgical technique.
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