Meningiomas:
94% tumor control rate
10% edema risk 2% will require surgical removal of tumor for treatment of edema
2% risk of permanent injury
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Torcular meningioma, prior to and 14 months after
Gamma Knife radiosurgery.
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Acoustic Neuromas:
97% tumor control rate
less than 1% facial neuropathy risk (near-zero risk in tumors less than 1 cm in diameter)
60% hearing preservation rate.
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Acoustic neuroma before, 3 months and 9 months after
Gamma Knife radiosurgery.
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Brain Metastases: (regardless of tissue type)
90% tumor control rate
6% edema risk
2% permanent deficit risk
More than one tumor may be treated in one session.
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Renal cell carcinoma brain metastasis before and 1 year after
Gamma Knife radiosurgery.
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Glioblastoma Multiforme: (Astrocytoma Grade 4) and Anaplastic
Astrocytomas (Grade 3)
93% response rate with median tumor progression free interval of 12 months
Improvement in overall survival. Synergistic when combined with Immunotherapy. Some patients are now more than 4 years from their initial diagnosis treated with this powerful regimen. Patients and their family members of survivors of this disease using this regimen may be contacted.
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Glioblastoma Multiforme (Grade 4 astrocytoma) before
a 3 1/2 years post immunotherapy. Biopsies of the
residual mass on the right showed only dead, necrotic tissue.
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Primary Low Grade Gliomas of the Brain:
95% response rate.
Follow-up not yet sufficient for results.
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Craniopharyngiomas, Pituitary Adenomas, Ependymomas, Medulloblastomas, Pineal tumors and other types:
From 80-98% tumor control rates.
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Arteriovenous Malformations: (AVMs):
80% complete obliteration by 2 years
6% complication rate
3% permanent complication rate.
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Arteriovenous malformation (AVM) before, and 2 years
after Gamma Knife radiosurgery.
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Tremor of Parkinson's Disease (Gamma Knife thalamotomy)
80% Good to excellent relief of tremor occurring within 3 months of treatment
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Trigeminal Neuralgia: (Tic Doulereux)
75% Good to excellent relief of pain
55% are pain-free off all medication. The remained of patients are pain-free with lowered dosages of medications.
The effect of treatment takes an average of 4 weeks to occur post Gamma Knife.
8% risk of sensory loss on the face.
Near zero risk of anesthesia dolorosa.
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The patient's trigeminal nerve accurately targeted
for a gamma Knife radiosurgery treatment.
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