Aetiology
There are numerous causes of raised intracranial pressure:
- expanding mass:
- tumour
- haemorrhage
- abscess
- increased cerebral blood volume:
- vasodilation:
- hypercapnia
- venous outflow obstruction
- venous sinus thrombosis
- vasodilation:
- increased CSF:
- impaired absorption:
- hydrocephalus
- benign intracranial hypertension
- excessive secretion:
- choroid plexus papilloma
- impaired absorption:
- cerebral oedema:
- chronic meningitis
- hypertensive encephalopathy
- head injury
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