| Compared quality | Epidural | Subdural |
|---|---|---|
| Location | Between the skull and the inner meningeal layer of the dura mater or between outer endosteal and inner meningeal layer of dura mater | Between the meningeal layers of dura mater and the Arachnoid mater |
| Involved vessel | Temperoparietal locus (most likely) – Middle meningeal artery Frontal locus – anterior ethmoidal artery Occipital locus – transverse or sigmoid sinuses Vertex locus – superior sagittal sinus |
Bridging veins |
| Symptoms (depending on the severity)[1] | Lucid interval followed by unconsciousness | Gradually increasing headache and confusion |
| CT scan appearance | Biconvex lens | Crescent-shaped |
References
- ^ McDonough VT, King B. "What's the Difference Between a Subdural and Epidural Hematoma?" (PDF). BrainLine. WETA-TV. Archived from the original (PDF) on 21 August 2010.