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Case Reports in Surgery
Volume 2016 (2016), Article ID 7930521, 4 pages
http://dx.doi.org/10.1155/2016/7930521
Case Report

Ancient Schwannoma of the Cauda Equina: Our Experience and Review of the Literature

1Neurosurgery Department, Army Hospital of Rome “Celio”, Roma, Italy
2NESMOS Department, “Sapienza” University, Roma, Italy
3Neurosurgery Department, Azienda Ospedaliera Sant’Andrea, Roma, Italy
4Neurosurgery Division, IRCCS “Neuromed”, Pozzilli, Italy
5Neurology and Psychiatry Department, “Sapienza” University, Roma, Italy

Received 17 July 2016; Revised 1 October 2016; Accepted 10 October 2016

Academic Editor: Jochen Tüttenberg

Copyright © 2016 Venceslao Wierzbicki et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Ancient schwannomas (AS) are exceedingly rare variant of common schwannomas (CS). Only two cases involving the cauda equina region have been previously reported in literature. AS are typically associated with a higher histological degree of degenerative changes (Antoni B areas). It is of peculiar importance, according to our opinion, to outline that, because of their extremely slow growth (which explains the increase of the degenerative changes in respect to the CS) and their typical soft consistency in respect to their standard counterparts, AS usually imply an even better prognosis.