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Authors performed in two patients a macroscopically complete exeresis of a panspinal ependymoma. The first case concerns a 27 years old woman, submitted to surgery in 1971, soon after a delivery, who exhibited a tumor in all points identical to the one described by G. Horrax an D. Henderson (1939). The second case concerns a male subject submitted to surgery in May 1973 because of a lesion extending from C2 to L2 and corresponding to a dorsal fleshy ependymoma, surrounded by two voluminous pseudosyringomyelic cysts, with respectively cervical and dorsal-lumbar localization. Such cases rare, with sometimes difficult clinical and roentgenologic diagnosis, raise before all problems of surgical tactics. We are dealing here with benign ependymomas, few favourable to roentgentherapy. Their management is surgical, i.e. complete exeresis. The few common extent of some of these tumors to the totality of the spinal cord does not modify in any manner such a principle. The same may be said of some etiologic circumstances, such as pregnancy, that often enough constitute a postponing of diagnosis and mangement detrimental for the patient. Only, the march of the surgical procedure may be object of discussion. The here reported experience lets appear that, when necessary, complete exeresis may be performed in one session under the same conditions and with the same spinal risks than for a less extensive analogous tumor. At long term the problem of spasticity of lower extremities has to be considered. However, in spite of extensive laminectomy, no major deformity of the vertebral column is to be noted.