Related Experiment Videos
Functional magnetic resonance imaging-controlled neuronavigator-guided brain surgery: a case report
J Morioka1, T Nishizaki, T Tokumaru
1Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Yamaguchi, Japan. nishi-ygc@umin.u-tokyo.ac.jp
Summary
Functional magnetic resonance imaging (f-MRI) combined with navigation systems enabled aggressive surgery for recurrent astrocytoma. This approach allowed complete tumor removal without causing functional deficits.
Area of Science:
- Neurosurgery
- Neuroradiology
- Oncology
Background:
- Recurrent astrocytoma presents surgical challenges, requiring precise tumor delineation and preservation of critical brain functions.
- Preoperative functional magnetic resonance imaging (f-MRI) is crucial for mapping eloquent areas, such as the motor cortex, to guide surgical planning.
Observation:
- f-MRI identified the motor area and confirmed the tumor's location in the left prefrontal region.
- The surgical team planned a more aggressive resection strategy based on preoperative f-MRI findings for the recurrent tumor.
Findings:
- The integration of f-MRI data with the MKM navigation system allowed real-time visualization of tumor margins and the motor area during surgery.
- Complete resection of the grade III astrocytoma and surrounding gliotic tissue was achieved.
- The navigated f-MRI approach facilitated aggressive tumor removal while preventing new functional deficits.
Implications:
- This combined f-MRI and navigation system approach enhances preoperative surgical strategy design and intraoperative tumor orientation.
- It enables more aggressive surgical interventions for complex brain tumors like recurrent astrocytoma, improving patient outcomes by minimizing neurological damage.