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MRI results from November 2018, in case anyone is interested in reading about how a hemivertebrae might affect cervical spine mechanics. I have a hard time finding real people posting on this issue, so I'll make this forum my place to reposit my history. I've only had conservative treatments, with the most aggressive treatment being multiple RFAs.
FINDINGS: The lateral masses of C1 are hypoplastic. The transverse ligament is midly prominent, causing some impression upon the thecal sac that does not contact the cord, although the spinal canal is slightly smaller than usual at this level. The odontoid is also slightly hypoplastic. There is developmental fusion of the C2-3 interspace, with hypoplasia and fusion of the facet joints and spinous processes.
C3-4: This level may appear to represent the C2-3 level, because of the developmental anomaly. Disc height is normal. A posterior disc prominence is at least a disc bulge and some component of protrusion is possible, especially just to the left of midline. The deformity of the thecal sac does not compress the cord. Severe facet degeneration is bilateral, with hypertrophy contributing to the moderate stenosis of both foramina.
C4-5 and C5-6: The C5 vertebra is a hemivertebrae in the right side of the spine. These 2 interspaces are virtually fused. No spinal stenosis. The facets on the left are hypoplastic and fused into one mass. Remnants of the facet joints are seen on the right. Foramina are quite narrowed.
C6-7: Mild narrowing and moderately severe degeneration of the disc. A large, right, posterolateral combination of protrusion and spur causes rather severe stenosis and deformity of that foramen and is displacing the right side of the cord. The left foramen is mildly narrowed. The right facet joint is moderately degenerated. The left facet joint is very mildly degenerated.
C7-T1: Normal disc height, with mild degeneration and minimal posterior disc bulge. The right side of C7 is hypoplastic. There is moderately severe degeneration of the right facet joint. The left facet joint is normal.
No herniation or other significant abnormality is evident at what is labeled as the T1-2 level. The right side of the T2-3 disc is slightly narrowed. The right side of the T3-4 disc is also slightly narrowed. Scoliosis is convex to the left. There are no posterior herniations or spurs at these levels and there is no spinal stenosis.
No cord lesions are seen.