Related Experiment Video
Updated: Sep 16, 2025
09:53
Role of Diffusion MRI Tractography in Endoscopic Endonasal Skull Base Surgery
Published on: July 5, 2021
3.7K
Risk factors and surgical maneuvers to decrease recurrences of olfactory groove meningiomas: institutional case
Francesco Maiuri1, Giuseppe Corazzelli2, Jacopo Berardinelli1
1Department of Neurosciences and Reproductive and Odontostomatological Sciences, University of Naples "Federico II", Naples, 80131, Italy.
Neurosurgical Review
|July 12, 2025
Summary
Minimizing recurrence of olfactory groove meningiomas involves careful surgical techniques. Resecting dural attachments and bone invasion during transcranial approaches (TCAs) reduces recurrence risk.
Area of Science:
- Neurosurgery
- Oncology
- Skull Base Surgery
Background:
- Olfactory groove meningiomas (OGMs) can recur even after complete surgical removal.
- Identifying risk factors and optimal surgical strategies is crucial for improving patient outcomes.
Purpose of the Study:
- To analyze risk factors for OGM recurrence.
- To identify critical surgical steps for initial operations to reduce recurrence rates.
Main Methods:
- Retrospective analysis of 60 patients treated with transcranial approaches (TCAs).
- Systematic literature review of recurrent OGMs treated via TCAs (Group A) or endoscopic endonasal approaches (EEA) (Group B).
- Statistical correlation of factors including tumor size, resection extent, bone invasion, dural attachment, optic canal invasion, and recurrence rates.
Main Results:
- Overall recurrence rates were similar for TCAs (6.6%) and EEA (7.4%).
- TCAs achieved higher gross total resection (GTR) rates (92.5%) compared to EEA (67.7%).
- Resection of dural attachment in TCAs correlated with a lower recurrence rate (3.2%).
Conclusions:
- Resecting infiltrated basal bone and dural attachments during TCAs can decrease OGM recurrence, especially in young patients.
- Avoiding residual tumor and dural infiltration is vital for EEA.
- Decompression and resection of tumors involving optic canals are essential for both approaches to minimize recurrence risk.
