Subarachnoid haemorrhage

Case contributed by Dr Aditya Shetty


h/o fall from a height. Injury to the head.

Patient Data

Age: young adult
Gender: Male

Plain axial CT scan reveals areas of blood HU noted in the subarachnoid spaces involving the sulcal spaces, Sylvian fissures and all basal cisterns bilaterally.

This is suggestive of a subarachnoid haemorrhage.

Another area of blood HU noted in the left inferior frontal region suggestive of a contusion.

This is a coup-contrecoup injury.

Bone window reveals a fracture of the right parieto-occiptal bone with a subgaleal haematoma surrounding it. Subgaleal haematoma also noted in the left temporal region.

Case Discussion

differential diagnosis: 

  1. Pyogenic leptomeningitis
  2. Leakage of intravenous contrast into the basilar cisterns
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Case information

rID: 25710
Case created: 4th Nov 2013
Last edited: 1st Oct 2015
Inclusion in quiz mode: Included

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