Merck Manual

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Pockets of Blood in the Brain
Pockets of Blood in the Brain

A head injury can cause bleeding in the brain. It can result in a pocket of blood between the skull and the outer layer of tissue covering the brain. This pocket of blood is called an epidural hematoma. Or a pocket of blood may form between the outer and middle layers of tissue. This pocket of blood is called a subdural hematoma.

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Intracranial Hematomas