Q: What sign does the separation of the frontal lobes represent? show answer
30 year old with history of head injury presented with headache. Initial MRI showed a right subdural collection which was drained.
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There is bifrontal pneumocephalus causing separation of the cerebral hemisphere, consistent with tension pneumocephaly with a Mount Fuji sign. Bilateral temporal parietal FLAIR hyperintensities were consistent with contusions.