Read more about the article Cerebral Aneurysm
Cerebral Aneurysm on angiography. Image by Lucien Monfils is licensed with CC BY-SA 3.0

Cerebral Aneurysm

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Introduction A cerebral Aneurysm is a localised dilation of an artery within the brain. They rarely occur in veins. They are a major risk factor for subarachnoid haemorrhage. Aneurysms can…

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Read more about the article Extradural Haemorrhage
Extradural Haemoatoma

Extradural Haemorrhage

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Extradural Haemorrhage aka Epidural Haematoma Blood collects between the dura mater and the bone of the skull. The dura is stripped away from the skull – indicating a high pressure…

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Read more about the article Subarachnoid Haemorrhage – SAH
Subarachnoid haemorrhage on seen on CT scan. Hyperdense material is seen filling the subarachnoid space - most commonly - as in this example - around the circle of Willis. This is the white-ish area in the centre of the image in a star-like shape.

Subarachnoid Haemorrhage – SAH

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Introduction A subarachnoid haemorrhage (SAH) describes bleeding in the brain into the subarachnoid space. A subarachnoid haemorrhage is considered a type of hemorrhagic stroke.  The bleeding occurs as the result…

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Subdural Haematoma

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Introduction A subdural haematoma is a collection of blood between the arachnoid and dura mater. It can be acute, chronic, or acute on chronic. Most cases are chronic, and occur…

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