Differences between extradural and subdural haematoma on CT
Extra is a lens, Sub is a crescent
Differentiates two common head injury emergencies.
Mixed or chronic haematomas may not follow the classic shape.
Teaching aid, still awaiting independent review. Confirm facts in a standard source.
Extra is a lens, Sub is a crescent. It helps you recall: Differences between extradural and subdural haematoma on CT.
Biconvex lens, limited by sutures, middle meningeal artery
Crescent, crosses sutures, bridging veins
Extra: Biconvex lens, limited by sutures, middle meningeal artery; Sub: Crescent, crosses sutures, bridging veins.
It belongs to Neuroimaging in Radiology.
Mixed or chronic haematomas may not follow the classic shape.
Differentiates two common head injury emergencies.
Say it aloud, write it from memory tomorrow, then again in a week. Then test yourself on a Radiology question about Neuroimaging.
It is a teaching aid written or adapted by our team. Some resemble ones students share informally. Check any fact that matters in a standard source.