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Examination performed 14/08/2012 at 08:30
REQUISITION #: RA2011106158
MRI OF THE CERVICAL SPINE :
CLINICAL HISTORY: Follow-up myelomalacia in the cervical spine.
COMPARISON: MRI from December 23, 2008.
There is mild retrolisthesis of C4 on C5 and C5 on C6, mildly progressed when compared to previous, on the basis of degenerative changes. There is reversal of the normal lordosis in the upper cervical spine.
Some edematous changes are seen within the endplates subjacent to the C5-6 intervertebral. Edematous changes are also noted in the left C7 superior articular facet, pedicle, and lamina. The remainder of the bone marrow demonstrates no significant abnormalities.
Unremarkable craniocervical junction.
C2-3: Left facet arthrosis without sequelae.
C3-4: There is a central-paracentral disk-osteophyte complex as well as bilateral uncarthrosis, worse on the right. The central canal is borderline narrowed at this level. There is moderate right-sided neural foraminal stenosis.
C4-5: There is a central-paracentral disk-osteophyte complex as well as bilateral uncarthrosis, worse on the right. Mild ligamentum flavum hypertrophy is seen at this level. This results in mild central canal stenosis as well as moderate-to-severe right and moderate left neural foraminal stenosis.
C5-6: There is central-paracentral disk-osteophyte complex as well as bilateral uncarthrosis. This has progressed compared to previous. There is mild ligamentum flavum hypertrophy at this level. These changes result in moderate-to-severe central canal stenosis, indentation of the thecal sac and flattening and deformity of the anterior spinal cord. No gross myelopathic changes are seen, however. There is moderate-to-severe bilateral neural foraminal stenosis.
C6-7: There is a central-paracentral disk-osteophyte complex as well as bilateral uncarthrosis, worse on the left. There is bilateral ligamentum flavum hypertrophy at this level. This results in mild left neural foraminal stenosis. No central canal stenosis.
C7-T1: There is diffuse disk bulge with a small central disk protrusion as well as ligamentum flavum hypertrophy. There is advanced left-sided facet arthrosis with associated edematous changes within the left pedicle and lamina and superior articular facet of C7. There is mild left neural foraminal stenosis. No central canal stenosis.
1. Interval significant decrease in size of the colloid cyst, currently measuring less than 2 mm in keeping with either spontaneous resolution or interval surgical intervention.
2. Multilevel degenerative changes in the cervical spine demonstrating progression compared to previous, mainly at the C5-6 level, where there is moderate-severe central canal stenosis with slight worsening of the retrolisthesis. No myelopathic changes are seen. New bone marrow edematous changes in the posterior elements of the left C7, presumably due to worsening of facet arthrosis.