Thursday, 31 December 2015

TIGHTEN YOURSELF TO ANSWER

Q.All are true regarding tight filum terminale syndrome except
a. Due to failure of complete involution of the distal cord
b. the filum thickness  greater than 2 mm in diameter
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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