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Cyberknife radiosurgery for trigeminal neuralgia
Pantaleo Romanelli1, Gary Heit, Steven D Chang
1Department of Neurosurgery, Stanford University Medical Center, Stanford, CA, USA. pantaleo@stanford.edu
Stereotactic and Functional Neurosurgery
|January 27, 2004
Summary
CyberKnife radiosurgery offers noninvasive trigeminal neuralgia (TN) treatment. Preliminary results show early pain relief in 70% of patients, with 50% experiencing relief within 72 hours.
Area of Science:
- Neurosurgery
- Radiation Oncology
Background:
- Trigeminal neuralgia (TN) is a debilitating neuropathic facial pain condition.
- Conventional surgical options for TN carry significant risks and are not suitable for all patients.
- CyberKnife radiosurgery presents a noninvasive alternative for managing medically refractory TN.
Purpose of the Study:
- To evaluate the efficacy and safety of CyberKnife radiosurgery as a treatment for trigeminal neuralgia (TN).
- To assess the speed and duration of pain relief following CyberKnife treatment in TN patients.
Main Methods:
- Ten patients with medically refractory TN, unsuitable for conventional surgery, were included.
- CyberKnife radiosurgery was performed using CT cisternography for precise tumor localization.
- Treatment involved targeted irradiation of the trigeminal nerve.
Main Results:
- Seven out of ten patients (70%) achieved significant pain relief.
- Five patients (50%) experienced rapid pain relief within 24-72 hours post-irradiation.
- No major complications were reported in the preliminary cohort.
Conclusions:
- CyberKnife radiosurgery demonstrates potential for early-onset pain relief in a subset of TN patients.
- Advantages include noninvasiveness, absence of a stereotactic ring, and improved targeting accuracy via CT cisternography.
- This technique offers a promising option for patients with medically refractory trigeminal neuralgia.