Fig. 1

Axial cut of CT scan of the brain. A: A patchy low-density shadow was observed in the right temporal–parietal lobe. The right lateral ventricle was compressed and flattened. B:The suprasellar cistern was compressed and narrowed, displaying an irregular shape. Brain herniation needed to be excluded. C: The brainstem was compressed, and the boundaries were unclear. Brain swelling may have occurred