To assess the long-term outcomes and recurrence rates of surgical treatments for meningiomas over an average follow-up period of ~14 years, including the evaluation of recurrence rates.
Key Findings:
Median age of patients was 56 years, with a mean follow-up period of 171 months.
Simpson grades zero, I, and II resections were achieved in ~83% of cases.
Recurrence occurred in ~20% of patients, with 80% of recurrent cases having Simpson grades III and IV.
95.1% of meningiomas were classified as WHO grade 1.
Mortality rate during the follow-up period was 7%.
Interpretation:
Limitations:
Retrospective nature of the study may introduce bias.
Limited generalizability due to single-surgeon approach and specific patient population.
Conclusion:
Long-term follow-up is essential to verify treatment effectiveness, with proper surgical techniques contributing to lower recurrence rates.