Cervical myelopathy caused by atlas osteochondroma and pseudoarthrosis between the osteochondroma and lamina of the axis: case report.


A 58-year-old man presented with a 6-month history of progressive cervical myelopathy. Magnetic resonance imaging and computed tomography of the cervical spine revealed a bone tumor arising from the posterior arch of the atlas and osteophytes at a pseudoarthrosis between the tumor and the lamina of the axis, resulting in marked spinal cord compression. The… (More)