Related Experiment Video
Updated: May 28, 2026
09:35
Subcutaneous Trigeminal Nerve Field Stimulation for Refractory Facial Pain
Published on: May 10, 2017
Microendoscopic stereotactic-guided percutaneous radiofrequency trigeminal nucleotractotomy
Manoel Jacobsen Teixeira1, Fabrício Freitas de Almeida, Ywzhe Sifuentes Almeida de Oliveira
1Pain Center and Division of Functional Neurosurgery of Department of Neurology, University of São Paulo Medical School, São Paulo, Brazil.
Journal of Neurosurgery
|October 18, 2011
Summary
This study introduces microendoscopy to enhance safety in percutaneous radiofrequency trigeminal nucleotractotomy for facial pain. Visualizing the medulla oblongata reduces risks associated with this neurosurgical procedure.
Area of Science:
- Neurosurgery
- Minimally Invasive Procedures
- Pain Management
Background:
- Trigeminal nucleotractotomy is used for refractory neuropathic facial pain.
- Percutaneous stereotactic procedures carry risks of vascular injury.
- Microendoscopy offers potential for improved visualization during surgery.
Observation:
- A case of severe postherpetic facial neuralgia was treated using this technique.
- Microendoscopy allowed intradural visualization of the medulla oblongata via an atlantooccipital approach.
- Key anatomical structures, including blood vessels and cranial nerves, were clearly identified.
Findings:
- Microendoscopic visualization provided clear identification of the medulla oblongata's surface, vasculature, and related cranial nerves.
- The technique facilitated safe percutaneous access to the target area.
- The procedure resulted in satisfactory outcomes for the patient.
Implications:
- Percutaneous microendoscopy may enhance the safety and effectiveness of trigeminal nucleotractotomy.
- This approach could minimize complications related to medulla oblongata manipulation.
- It represents a novel advancement in the surgical treatment of neuropathic facial pain.
