British journal of neurosurgery
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A 35-year-old man became symptomatic 26 months after a head injury. CT showed an occipital-suboccipital chronic extradural haematoma (EDH). ⋯ This unusually long interval between trauma and onset of symptoms suggests that delayed expansion of a chronic EDH should be kept in mind if planning conservative management. An EDH can be considered 'cured' only after disappearance of the membrane and haematoma on CT.