Source of chronic subdural hematoma is: September 2011
Correct Answer: Venous
Description: Ans. B: Venous Chronic subdural haematomas usually occur in the elderly and are more common in those on anti-coagulant or anti-platelet agents. There is usually but not always a history of minor head injury in the weeks or months prior to presentation. It is thought that small bridging veins tear and cause a small acute subdural haematoma which is clinically silent As the haematoma breaks down it increases in volume, leading to a mass effect on the underlying brain
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