Diagnosis
Meningioma at the level of 8 thoracic vertebra body with spinal cord compression
Surgical operation
Vertebral hemilaminectomy GOP 7-9 and macroscopic complete tumor extirpation (Simpson II) using constant electrophysiological monitoring
IOM installation
Somatosensory evoked potentials
- Median nerve left/right
- Tibial nerve left/right
Motor evoked potentials
- Muscle abductor of the V finger of the foot
- Anterior tibial muscle
Graphs of the motor evoked potentials measurement
Initial data and final measurements
Final measurement (white), initial measurement (green):
Somatosensory evoked potentials median left/right – tibial left/right