5-year recurrent rate and factors related recurrent spinal meningioma
Keywords:
Spinal meningioma, Recurrent meningioma, Recurrent rate, Recurrent factor, Spinal cord tumorAbstract
Introduction: Spinal meningiomas are usually benign spinal cord tumors, representing about 25% of all spinal tumors. Treatment options include watchful waiting and surgery, which typically removes the tumor completely with a low recurrence risk. However, undetected recurrences can cause neurological issues, necessitating regular MRI scans. Previous studies showed a 7-9% recurrence rate at 5 years post- surgery, increasing to 20-25% after 10 years3. This study aims to find 5-year recurrence rate and related factors for recurrence. Methods: The authors conducted a single-center retrospective descriptive study in patients with spinal meningiomas treated in Siriraj hospital from July 2006 to November 2024. Finding 5-year and overall recurrence rate of 66 spinal meningiomas and related factors for recurrence. Results: 5-year and overall recurrence rates were 10.6% and 24.2%, respectively. The factors mostly affected recurrence were younger age at diagnosis (esp. <45 years) and history of neurofibromatosis type 2 (NF2). Other factors included gender, volume, location of tumor, dural tail sign, histopathological diagnosis and intra-operative finding did not showed statistically significance for tumor recurrence. Conclusions: The study at Siriraj Hospital shows that surgical removal of spinal meningiomas is effective but has a significant risk of recurrence, especially in younger patients or those with NF2. Despite benign nature of disease, our findings emphasize the importance of careful surgery and long-term follow-up. High-risk groups may need early and more frequent investigation.
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