Acute on chronic subdural haematoma

Case contributed by Dr Chris O'Donnell


Acute onset of headache, confusion and right hemiplegia ? CVA or haemorrhage

Patient Data

Age: 85
Gender: Male

Large fluid collection (chronic subdural haematoma) overlying the left convexity with marked mass effect.  Note the sediment of higher density indicating acute haemorrhage into the chronic collection.  Note also the high density membranes in the chronic subdural anteriorly highlighted by the presence of acute blood around them.

Case Discussion

The key to differentiating chronic subdural haematoma from hygroma is the presence of membranes (commonly seen at autopsy but less well seen on CT scanning)

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Case information

rID: 27953
Published: 27th Feb 2014
Last edited: 16th Jul 2018
Inclusion in quiz mode: Included

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