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Case 21

A lady with five days of severe headache

Michael Crouch

This middle aged lady presented with five days of severe headache and vomiting. She was found to have a mild left homonymous hemianopia. Seventeen years earlier she had developed seizures of the left leg, which were successfully controlled with phenytoin.

What abnormalities are shown on these scans? What might the unenhanced scans (not shown) have demonstrated?