Clinically she
had scoliosis and was tender to palpate posterior to the greater trochanter in
a soft tissue/muscular distribution. She also had lumbar spine pain
which radiated to the groin and anterior thigh.
MRI revealed
Diastematomyelia with a bony bar at L3 and resultant low lying cord extending
to L4-L5. The lower nerve roots were found posteriorly within the thecal sac
and it was felt adhesions from previous surgery resulted in a posterior fusion
anomaly in the lower lumbar region.
The defect in the
posterior elements extended from mid L4 to at least S2 level. The images
obtained were classical images of this relatively rare condition
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