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A 24 year woman presented with three days of increasing headaches followed by focal seizures.
Left - Axial CT scan of the brain with contrast; Right - Coronal MRI scan with gadolinium of the brain.Note the ring enhancement both on the CT and MRI and the central necrotic cavity. Brain abscess can mimic the radiographic picture of tumor. They often occur at the grey-white junction, and develop prominent ring enhancement surrounded by edema.
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