Q.All are true regarding tight filum terminale syndrome
except
a. Due to failure of complete involution of the distal cord
c. the tip
of the conus medullaris lies below L-2
d.normal x
ray of L/S spine
e. Filar
fibrolipomas present in 29% of cases
ANS.---d
In a large series, 100% of cases had
midline defects in the arches of the lumbosacral spine, usually at L-4, L-5,
and/or S-1, leading to suggest that normal spine radiographs
almost exclude this diagnosis.
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