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Epidural Hematoma (EDH)

Last Updated: October 1, 2018

Figure 1: The left middle cranial fossa biconvex hyperdense epidural hematoma on axial CT (left) is likely secondary to middle meningeal artery injury, usually associated with fracture of the temporal bone in the same area, visible in this patient as nondisplaced fracture on bone window axial CT (right). A small amount of subarachnoid blood is also visible in the interpeduncular cistern (left, arrow).

 

Figure 2: Brain window/level Axial CT (left) through the posterior fossa demonstrates a biconvex epidural hematoma superficial to the right cerebellar hemisphere. Bone window at the same level (right) exhibits an associated overlying nondisplaced fracture of the right occipital bone near the lambdoid suture.

  • Hemorrhagic collection within the epidural space, located between the inne...