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Spinal intradural tumours: Part I--Extramedullary.
W el-Mahdy1, P J Kane, M P Powell
1Department of Surgical Neurology, National Hospital for Neurology and Neurosurgery, London, UK.
British Journal of Neurosurgery
|March 15, 2000
Summary
Surgery for intramedullary nerve sheath tumors offers significant functional improvement. Most patients experienced better outcomes, with no operative deaths, highlighting the safety and efficacy of surgical intervention for these spinal cord tumors.
Area of Science:
- Neurosurgery
- Orthopedic Surgery
- Oncology
Background:
- Intramedullary nerve sheath tumors are rare spinal neoplasms.
- Surgical management aims for radical excision and functional preservation.
Purpose of the Study:
- To evaluate the surgical outcomes and functional results of treating intramedullary nerve sheath tumors.
- To analyze patient demographics, tumor characteristics, and treatment strategies.
Main Methods:
- Retrospective review of 66 patients undergoing surgery for intramedullary nerve sheath tumors over 16 years.
- Procedures included radical intra- and extradural excision with potential vertebral column reconstruction.
- Functional outcomes assessed using the Frankel grading system.
Main Results:
- 37 patients (over 50%) improved by at least one Frankel grade post-surgery.
- No operative deaths occurred; no instrumentation failures were reported.
- Five patients experienced cerebrospinal fluid (CSF) leaks, and three patients had a one-grade functional deterioration.
Conclusions:
- Radical surgical excision is an effective treatment for intramedullary nerve sheath tumors, leading to significant functional improvement in most patients.
- The surgical approach is associated with low morbidity and mortality.
- Careful surgical planning and execution are crucial for optimal outcomes in managing these complex spinal tumors.