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Use of Saito technique to resect an anterior lumbar spine meningioma: Technical note

Authors
  • Barrenechea, Ignacio J.1
  • Marquez, Luis M.1
  • Pastor, Marcelo2
  • 1 Department of Neurosurgery, Hospital Privado de Rosario, Argentina.
  • 2 Department of Orthopedics, Sanatorio Centro, Rosario, Santa Fe, Argentina.
Type
Published Article
Journal
Surgical Neurology International
Publisher
Scientific Scholar
Publication Date
Jun 14, 2021
Volume
12
Identifiers
DOI: 10.25259/SNI_383_2021
PMID: 34221607
PMCID: PMC8247670
Source
PubMed Central
Keywords
Disciplines
  • Technical Notes
License
Unknown

Abstract

Background: Complete (Simpson Grade I: total removal) resections for anterior spinal meningiomas are especially challenging. This is largely attributed to difficulty obtaining a water-tight dural repair where the tumor has infiltrated the dura requiring duroplasty, thus often resulting in just a Simpson Grade II resection (i.e. coagulation of the dural implantation site). Here, we present a 56-year-old female who underwent resection of a ventral lumbar meningioma utilizing the Saito technique, that effectively separated the dura into two layers, removing just the inner layer but leaving the outer layer intact for direct dural repair. Methods: A 56-year-old female underwent a L1–L2 laminectomy. The anterior intradural resection of tumor was achieved with the Saito technique; this required cutting circumferentially around the tumor insertion site, and removing only the inner layer. Results: Postoperatively, the patient did well without tumor recurrence over 8 years. The postoperative biopsy confirmed a World Health Organization Grade I meningothelial meningioma. Conclusion: Saito’s technique proved to be a safe and effective method for achieving gross total resection of an anterior lumbar meningioma.

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