Male foreign worker in his 40's, hit on head by a heavy falling object.
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Large left sided extra-dural haematoma with midline shift.
Underlying linear temporoparietal bone fracture. The fracture traverses the coronal suture.
Intracranial haemorrhage is common, a large proportion occurring following trauma.
It is one of the commonest causes for a CT to be performed out of office hours.
Extradural haematoma is a life threatening, but entirely salvageable, pathology, providing prompt diagnosis and surgery is undertaken.
The appearances are lentiform in nature, and accompanied by an underlying fracture in 95% of cases. Although traditional teaching states unlike subdural haematomas, extradurals do not cross sutures it can identified, in children it is reported to occur in upto 11%.1