Brain Tumours
Coverage of the spine: caudal extent of thecal sac
Dural sac “ generally ” ends at S1/2
But:
~50% by bottom S1 >90% by bottom S2 <10% above L5/S1
Made with FlippingBook
Coverage of the spine: caudal extent of thecal sac
Dural sac “ generally ” ends at S1/2
But:
~50% by bottom S1 >90% by bottom S2 <10% above L5/S1
Made with FlippingBook