Subarachnoid haemorrhage - MCA aneurysm rupture
Terrible headache of acute onset. GCS reduced.
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Diffuse sub-arachnoid haemorrhage throughout both cerebral hemispheres.
Large haematoma centred on the M1-M2 segment of the right middle cerebral artery. A 'filling defect' is visible within the clot, suggesting the culpable aneurysm.
The basal cisterns contain blood as does the ventricular system.
Mild left temporal horn dilatation.
Typical appearances of a subarachnoid haemorrhage.
The location of the haematoma is highly suggestive of a MCA aneurysm, which was subsequently proven on catheter angiography.
The aneurysm underwent surgical clipping.