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Old 10-18-2012, 07:29 PM   #1
catluvr2 catluvr2 is offline
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Question Need help understanding MRI results

Mild straightening of the physiologic lumbar lordisis. Partial disk desiccation and mild intervertebral disk height loss are present at T12-L1, L3-L4 and L4-5 levels.
Conus medullaris terminataes grossly at the level of T12-L1.

T12-L1: Circumferential disk bulge, without spinal canal stenosis.
L1-L2 Annular disk bulge, without spinal canal stenosis or significant foraminal narrowing.
L2-L3 Mild circumferential disk bulge,without spinal canal stenosis or significant foraminal narrowing.
L3-L4 2.5 mm AP circumferential disk bulge with prominent foraminal components and mild facet arthrosis result in mild bilateral foraminal stenosis. Mild spinal canal stenosis, with a thecal sac diameter of approx. 9.7 mm AP at midline.
L4-L5 3.2 mm AP circumferential disk bulge, slightly eccentric to the right, and fact arthrosis reselt in the right lateral recess stenosis, borderline central spinal canal stenosis,moderate to severe right and mild to moderate left foraminal stenosis. The descending right L5 nerve root contacts hypertrophied facets and bulging disk within the lateral recess. The exiting right L4 nerve root is in contact with hypertrophied facets within the neural foramen. Small right facet joint effusion.
L5-S1 No significant posterior disk abnormality. Probable right and questionalb left L5 pars defects. Bilateral facet arthrosis results in mild to moderate bilataeral foraminal stenosis.

Impression: At L4-5 level, 3.2 mm AP circumferential disk bulge, and facet arthrosis result in right lateral recess stenosis, borderline central spinal canal stenosis, moderate to severe right and mild to moderate left foraminal stenosis. The descending rigfht L5 nerve roots contact the hypertrophied facets and bulging disk within the lateral recess. The exiting right L4 nerve root contacts the hypertrophied facets with the neural foramen. Probable right and questionable left L5 pars defects, which may be further confirmed by means of CT.