Subarachnoid haemorrhage - perimesencephalic

Case contributed by A.Prof Frank Gaillard

Presentation

Sudden onset of headache. No loss of consciousness and no focal neurological deficits.

Patient Data

Age: 70 years
Gender: Male
Modality: CT

CT of the brain demonstrates subarachnoid blood located predominantly in the interpeduncular and prepontine cisterns. 

Case Discussion

This case illustrates the typical appearances of a perimesencephalic subarachnoid haemorrhage. As is usually the case no source of bleeding (ie no aneuryms or vascular malformation or tumour etc..) was found despite angiography and MRI. 

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Case Information

rID: 18048
Case created: 4th Jun 2012
Last edited: 5th Nov 2015
Inclusion in quiz mode: Included

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