Aneurysms are blisters which can cause a type of brain haemorrhage called subarachnoid haemorrhage
Arteriovenous malformations are complex tangles of blood vessels in the brain which may cause bleeding or seizures
Cavernomas are small benign lesions in the nervous system filled by blood but under very low pressure. They can cause seizures or bleeding in the brain or spinal cord
Arteriovenous fistuale and arteriovenous malformations of the spinal cord and of its covering, the dura
Including meningioma, metastasis, neurofibromatosis, haemangioblastoma and Von Hippel-Lindau disease
Tumours which arise from the peripheral nerves, the lining of the spinal canal and from the spinal cord itself.