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Journal of Neuro-Oncology

, Volume 75, Issue 2, pp 157–161 | Cite as

Spinal Meningioma: Relationship Between Histological Subtypes and Surgical Outcome?

  • Bernhard Schaller
Clinical Study

Summary

Intraspinal meningiomas are slow growing benign tumors that produce indolent neurological deficits, which are often reversible following operation. It is unclear, if there is a correlation between postoperative neurological restoration and histopathological parameters. The aim of the present work was to seek for existence of such parameters. Retrospectively, we reviewed the charts of 33 patients with spinal meningiomas who were operated on from January 1980 through December 1995. Histological classification was performed according to WHO criteria. Laminoplasty or hemilaminoplasty was performed in 29 patients (88%) and suboccipital craniotomy with cervical laminoplasty in 4 patients (12%). Mean age of the 30 women (91%) and the 3 men (9%) was 63 ± 20 years (range 22–88). Spinal meningiomas were of high-cervical location in 9 (27%) and of low-cervico–thoracic location in 24 (73%) patients. Tumor position was laterally in 19 (58%), posteriorly in 8 (24%) and anteriorly in 6 (18%) patients. Histological classification was psammomatous in 22 (66%), fibroblastic in 7 (22%) and meningothelial in 4 (11%) patients. Following tumor resection, neurological deficits resolved in 26 of 33 patients (79%) and worsened in 7 of 33 patients (21%) all of the latter had meningiomas of the psammomatous type. Resection of psammomatous meningiomas of the spine is associated with a less favorable neurological outcome postoperatively than resection of spinal meningiomas of other pathological subtypes. Posterior or lateral tumor position in the spinal canal, location below C4, age less than 60 years, and duration of preoperative symptoms seem to be correlated with a good outcome.

Key words

histology meningioma spine spinal surgery spinal tumor 

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Copyright information

© Springer 2005

Authors and Affiliations

  • Bernhard Schaller
    • 1
  1. 1.Max-Planck-Institute for Neurological ResearchGleuelerstrasseGermany

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