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Stereotactic gamma-thalamotomy with a computerized brain atlas: technical case report
T Otsuki1, H Jokura, K Takahashi
1Division of Neurosurgery, Tohoku University School of Medicine, Tokyo, Japan.
Neurosurgery
|October 1, 1994
Summary
Radiosurgical stereotactic thalamotomy effectively treated parkinsonian tremor using a brain atlas and MRI. The patient experienced sustained relief from tremor and rigidity for over a year post-procedure.
Area of Science:
- Neurosurgery
- Neurology
- Medical Imaging
Background:
- Parkinsonian tremor significantly impacts patient quality of life.
- Stereotactic thalamotomy offers a potential treatment for refractory tremor.
- Accurate targeting is crucial for effective radiosurgery.
Observation:
- A patient with parkinsonian tremor underwent radiosurgical stereotactic thalamotomy.
- A computerized stereotactic brain atlas was adapted to the patient's MRI.
- The target was precisely located within the nucleus ventralis intermedius of the thalamus.
Findings:
- The patient's tremor and rigidity resolved completely after the procedure.
- Symptom recurrence was absent for over one year post-surgery.
- A novel method for coordinate system conversion was successfully applied.
Implications:
- This case demonstrates the efficacy of image-guided radiosurgery for parkinsonian tremor.
- The described coordinate conversion method enhances surgical planning accuracy.
- Radiosurgical thalamotomy presents a viable, long-term therapeutic option for movement disorders.