Neck pain, prior cervical fusion There are postsurgical changes of remote laminectomy from C4 to C6 with posterior spinal fusion. Hardware and osseous fusion are better appreciated on prior CT. Craniovertebral junction appears within normal limits aside from degenerative changes at the median atlantoaxial joint and mild retroodontoid soft tissue. The cervical vertebral bodies are appropriate in height. There is mild straightening of the cervical spinal curvature as well as minimal retrolisthesis of C5 on C6, which appears partially fused at the intervertebral level based on prior CT. Bone marrow signal is within normal limits. The cervical spinal cord has normal signal characteristics and overall morphology.Degenerative changes are seen in the cervical spine as described below:C2-3: Mild spinal canal stenosis related to small disc osteophyte complex and ligamentum flavum thickening. There is also mild right-sided neural foraminal narrowing related to uncovertebral hypertrophy. Neural foramina are otherwise patent.C3-4: Spinal canal is well decompressed. There is mild to moderate left and mild right neural foraminal stenosis related to uncovertebral hypertrophy.C4-5: Spinal canal is well decompressed. Neural foramina are patent.C5-6: There is a disc osteophyte complex which contacts the ventral aspect of the cord. Spinal canal is otherwise decompressed at this level. There is mild right neural foraminal stenosis.C6-7: There is a small disc osteophyte complex with small central protrusion as well as mild ligamentum flavum thickening contributing to mild anterior displacement of the cord and overall fairly mild narrowing of the thecal sac. There is moderate left and mild right neural foraminal stenosis. C7-T1: There is mild anterior displacement of the cord related to prominent facet arthropathy and ligamentum flavum thickening. There is also uncovertebral hypertrophy. There is mild bilateral neural foraminal stenosis. Minimal narrowing of the spinal canal.The vertebral artery flow voids appear to be intact. Paraspinous soft tissue structures appear within normal limits.
1. Postsurgical changes of laminectomy and posterior fusion from C4 to C6. There is fairly mild spinal canal narrowing at the C2-C3, C6-C7, and C7-T1 levels. There is multilevel neural foraminal stenoses as described above.2. Spinal hardware and osseous fusion better assessed on prior neck CT dated 3/5/2015.