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Related Experiment Videos

Linear accelerator radiosurgery for trigeminal neuralgia.

Gregory M Richards1, Kristin A Bradley, Wolfgang A Tomé

  • 1Department of Human Oncology, University of Wisconsin Medical School, K4/B29 Clinical Sciences Center, Madison, Wisconsin 53792, USA. richards@humonc.wisc.edu

Neurosurgery
|December 7, 2005
PubMed
Summary

Linear accelerator-based radiosurgery effectively treats trigeminal neuralgia (TN). This treatment offers significant pain relief for medication-refractory TN patients with minimal side effects.

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Area of Science:

  • Neurosurgery
  • Radiation Oncology
  • Pain Management

Background:

  • Trigeminal neuralgia (TN) is a chronic pain condition.
  • Medication-refractory cases pose treatment challenges.

Purpose of the Study:

  • To evaluate clinical outcomes of linear accelerator-based radiosurgery for TN.
  • To assess pain relief and complication rates.

Main Methods:

  • 28 patients with refractory TN received 80 Gy single-fraction radiosurgery.
  • Treatment used a 4-mm collimator and 7-arc technique.
  • Stereotactic system ensured high precision, minimizing brainstem dose.

Main Results:

  • 57% achieved complete pain relief; 75% reduced pain to ≤3 (10-point scale).

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  • Median pain relief occurred within 1 month.
  • Low complication rate: 3 mild numbness, 1 neurotrophic keratopathy.

    • Conclusions:

    • Linear accelerator-based radiosurgery is effective for medication-refractory TN.
    • Achieves significant pain reduction with a favorable safety profile.