Intracranial Hemorrhage

NeuroanatomyUpdated 1 min read

Intracranial hemorrhage

FeatureEpidural hematomaSubdural hematoma
Typical sourceMiddle meningeal arteryBridging veins
Typical locationBetween skull and duraBetween dura and arachnoid
CT appearanceBiconvex / lentiformCrescent-shaped
Suture crossingUsually does not cross suturesCan cross sutures
Classic associationTemporal bone fractureAcceleration–deceleration injury; increased risk in older adults

High-yield: The anterior branch of the middle meningeal artery is classically associated with epidural hematoma following a temporal bone fracture.