The surgeon takes great care to prevent puncture of the thecal sac and any nerve root damage. ... Cite this: Lumbar Spine: Common Pathology and Interventions - Medscape - Aug 01, 2005.

Lumbar Spinal Stenosis: T2-weighted MRI of the Lumbar Spine; (Left) Mid-sagittal view; (Right Top) Axial scan at the mid-L3 level; (Right Bottom) Axial scan at the L3-L4 disk level.Note the central ...

MRI Findings Linked to Effect of Lumbar Spine Surgery Certain MRI findings may predict outcomes for ... those with thecal sac compression of one-third or more had greater surgical ...

Spinal Epidural Hematoma: MRI of the Thoracic Spine; (Left) T1-weighted; (Right) T2-weighted. Note the large extradural lesion which compresses the thecal sac from L2 through S1. It is isointense on ...

Antero-posterior diameter of spinal canal: Fukusaki [22] Not reported < 15 mm: Koc [23] Not reported < 12 mm: Mid-sagittal diameter of thecal sac: Herzog [15] Midbody of each vertebra: ...