Legend A large hyperdense collection is seen along the right convexity. Areas of relative hypodensity are present within the collection. Significant midline shift is present with subfalcine herniation.

Legend The extraaxial hematoma (with areas of hyperacute bleeding ) is also causing transtentorial herniation as evidenced by the obliteration of the basal cisterns. Key words: ct trauma

Brain Diagnosis: Subdural hematoma with subfalcine and transtentorial herniation