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Intradural extra-arachnoid schwannoma of the upper cervical spine
Y Kobayashi1, J Mochida, K Nishimura
1Department of Orthopedic Surgery, Tokai University, School of Medicine, Bohseidai, Isehara, Kanagawa, Japan.
Spinal Cord
|January 9, 1999
Abstract:
A very rare case of intradural extra-arachnoid schwannoma involving the upper cervical spine is described. The tumour most likely originated from the extra-subarachnoid angle region, with its unusual pattern of expansion within the spinal canal resulting from such characteristics of the upper cervical region as a relatively wide spinal canal, an extensive ventral subarachnoid space, and membranous ventromedian and lateral anchoring structures which influenced the direction of tumour enlargement.