11. During his final years he was afflicted by the debilitating spinal illness, syringomyelia . 12. The syringomyelia has caused muscle wastage and some loss of sensation on his left side. 13. These include hydrocephalus, cerebellar tonsillar herniation ( Chiari I ), seizures and syringomyelia . 14. Alfieri has published articles on neuroanatomy, syringomyelia , vascular neurosurgery, and spine surgery. 15. MRI is safe, painless, and informative and has greatly improved the diagnosis of syringomyelia . 16. Since the natural history of syringomyelia is poorly understood, a conservative approach may be recommended. 17. MRI has enabled scientists to see conditions in the spine, including syringomyelia before symptoms appear. 18. Adjacent cord edema and syringomyelia and peritumoral cysts may be present in addition to reactive scoliosis. 19. Fluid pressure may cause cysts to form in the spinal cord, a condition called syringomyelia . 20. Syringomyelia shunts are not always successful and can become blocked as with other central nervous system shunts.