D'Errico and German10) described that the first authentic report of chronic SDH was that of Johannes Wepfer in 1657. He found a large blood-filled cyst beneath the dura on a patient who died after an "apoplectic stroke".
Where is subdural hematoma found?
A subdural hematoma is a buildup of blood on the surface of the brain. The blood builds up in a space between the protective layers that surround your brain. Your brain sits within a bony skull. Inside your skull and over the brain there are 3 layers called the meninges.
How old is a chronic subdural hematoma?
About Chronic Subdural Hematomas
A chronic subdural hematoma (SDH) is an old clot of blood on the surface of the brain beneath its outer covering. These liquefied clots most often occur in patients age 60 and older who have brain atrophy, a shrinking or wasting away of brain tissue due to age or disease.
