====== Spinal paraganglioma ====== Paraganglioma is a very rare malignant tumor ((Ardon H, Plets C, Sciot R, et al. [[Paraganglioma]] of the [[cauda equina]] region: a report of three cases. Surg Neurol Int 2011;2:96.)) ((Yin M, Huan Q, Sun Z, et al. Clinical characteristics and surgical treatment of [[spinal paraganglioma]]: a case series of 18 patients. Clin Neurol Neurosurg 2017;158:20–6.)) ((Mishra T, Goel NA, Goel AH. Primary paraganglioma of the spine. A clinicopathological study of eight cases. J Craniovertebr Junction Spine 2014;5:20–4.)) ((Miller CA, Torack RM. Secretory ependymoma of the filum terminale. Acta Neuropathol 1970;15:240–50.)) This tumor should be distinguished from ependymoma, meningioma and hemangioblastoma, to avoid misdiagnosis, and missed diagnosis. [[Cauda equina paraganglioma]]