Metastases
On the basis of 513 patients treated between December 1999 and December 2006:
- Survival rate in 1 year: 50%
- Survival rate in 2 years: 30% • Survival rate in 5 years: 10%
- Treatment can be combined with a radiotherapy, surgery and/or chemotherapy treatment
- Possibility of treating several metastases (up to 12) in one session
- Possibility of carrying out several radiosurgery treatments for new metastases
Vestibular schwannomas (acoustic neurinomas)
On the basis of 300 patients treated between December 1999 and December 2007:
- Tumour control rate: 96%
- Preservation of hearing: 80%
- Risk of facial paresis: 0%
Meningiomas
On the basis of 528 patients treated between December 1999 and December 2006:
- Tumour control rate: 94%
- Possibility of Gamma Knife treatment:
- As an alternative to surgical treatment
- As a supplement to surgical treatment after partial exeresis
- In case of relapse after surgical exeresis
Pituitary adenomas
On the basis of 32 patients treated between December 1999 and December 2006:
- Tumour control rate: 94%
- Hormonal balance improvement rate: 69%
- Hormonal balance normalisation rate: 15%
Arterioveinous malformations
On the basis of 124 patients treated between December 1999 and December 2006:
- 30 patients with angiographic test 3 years after Gamma Knife
- Obliteration rate: 96%
- Bleeding during interval between treatment and obliteration: 6%
- Complications: temporary: 10% permanent: 3%
Trigeminal nerve neuralgia
On the basis of 228 patients treated between December 1999 and December 2006:
- Significant improvement rate (>90%) of neuralgic pain: 86%
- Disappearance rate (100%) of neuralgic attacks: 73%
- Relapse rate in 4 years: 10%
- Risk of inducing a trigeminal dysfunction (hypoaesthesia/dysaesthesia): 34%
- Other complications: 0%