Vertebral synovial osteochondromatosis with compressive myelopathy

Study Design. A case report of vertebral synovial osteochondromatosis with compressive myelopathy. Objectives. To describe the clinical, radiologic, and histopathologic featu res of vertebral facet synovial osteochondromatosis with compressive myelop athy. Summary of Background Data. There has been only one previously reported cas e of synovial osteochondromatosis affecting the vertebral facet joint and n o previous report of associated compressive myelopathy. Methods. The case history, radiology, surgical findings, and histopathology are reviewed. Results. Vertebral facet synovial osteochondromatosis is a potential and re adily manageable cause of spinal cord compression. Conclusions. Synovial osteochondromatosis of the vertebral facet joint shou ld be considered as a cause of compressive myelopathy.