Aneurysmal subarachnoid haemorrhage

Case contributed by Raad Al Tahat
Diagnosis certain

Presentation

Headache.

Patient Data

Age: 20 years
Gender: Male
This study is a stack
Axial
non-contrast
This study is a stack
Axial bone
window
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Info

Evidence of subarachnoid haemorrhage involving most of the left cerebral hemisphere sulci as well as in the basal cistern on the left side.

Rounded, hyperdense lesion seen in the left temporal lobe.

No bone fracture.

This study is a stack
Axial C+
arterial phase
This study is a stack
Axial
MPVR
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Info

Large saccular cerebral aneurysm is seen at the M1 segment of left MCA.

Case Discussion

Trauma is by far the commonest cause of subarachnoid haemorrhage. 

Ruptured saccular aneurysm (as in our case) is the most common cause of spontaneous subarachnoid haemorrhage.

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