Figure 5. Cavernous haemangioma of the midbrain in a 29-year-old woman presenting with vague facial sensory disturbance and ataxia. (a) Axial plane T₂ weighted FSE image and (b) coronal plane FLAIR image. Both sequences show the typical MRI appearances of a cavernous haemangioma: central high signal intensity (methaemaglobin) surrounded by a rim ofvery low signal intensity (haemosiderin deposition).

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