SIMON FRASER / SCIENCE PHOTO LIBRARY SIMON FRASER / SCIENCE PHOTO LIBRARY
Computed tomography (CT) brain scan showing a cerebral (intracranial) haemorrhage (pale oval feature at left), the result of blood leaking from an artery into the surrounding brain tissue. Cerebral haemorrhages are often caused by arterial degeneration compounded by high blood pressure. Their severity & prognosis is dependent on size & location; symptoms vary from passing weakness or numbness to coma & death.
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