Elusive tumor of the cauda equina

Case report

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✓ A patient with a mobile schwannoma of the cauda equina is described. There was considerable discrepancy between the localization of the tumor at myelography and the findings at both initial surgery and repeat myelography, confirmed by definitive surgery. Such mobility is rare, but should be kept in mind when surgery is performed for a tumor of the cauda equina.

Article Information

Address reprint requests to: R. R. F. Kuiters, M.D., Department of Neurosurgery, Municipal Hospitals of The Hague, Leyweg 275, 2545 CH The Hague, The Netherlands.

© AANS, except where prohibited by US copyright law.

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Figures

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    Myelographic findings. A and B: Myelograms made before the first intervention, anteroposterior (A) and lateral (B) views. There is a complete block with a sharp lower margin indicating an intradural lesion at the upper L-2 level. Note the normal contents of the lower lumbar dural sac. C and D: Myelograms made after the first intervention, anteroposterior (C) and lateral (D) views. The intradural lesion is seen at the L3–4 level.

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    Operative photograph showing the tumor, which is attached to the nerve roots, being brought into the extradural space.

References

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    Hollin SADrapkin AJWancier Jet al: Mobile schwannoma of the cauda equina. Case report. J Neurosurg 48:1351371978Hollin SA Drapkin AJ Wancier J et al: Mobile schwannoma of the cauda equina. Case report. J Neurosurg 48:135–137 1978

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    Rengachary SSMcGregor DHWatanabe Iet al: Suggested pathological basis of “redundant nerve root syndrome” of the cauda equina. Neurosurgery 7:4004111980Rengachary SS McGregor DH Watanabe I et al: Suggested pathological basis of “redundant nerve root syndrome” of the cauda equina. Neurosurgery 7:400–411 1980

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    Wortzman GBotterell EH: A mobile ependymoma of the filum terminale. J Neurosurg 20:1641661963Wortzman G Botterell EH: A mobile ependymoma of the filum terminale. J Neurosurg 20:164–166 1963

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