But this process may last up to several months, depending on the hematoma's size. Subdural and epidural hematomas are serious neurological conditions that typically result from head injuries.

A subdural hematoma, whose main symptom is ... making it exceptionally dangerous. An epidural hematoma, which appears after a severe head injury, can cause unilateral weakness opposite to its ...

A new treatment combines standard hematoma surgery with an embolization (blocking) of the brain's middle meningeal artery, with the goal of avoiding repeat surgeries.