"This is a summary article; we do not have a more in-depth reference article."
"anatomyextra-axial space"
"pathophysiologyfluid collection in the extradural, subdural or subarachnoid space"
"role of imaging"
"radiographic features"
Expected headings
"This is a basic article for medical students and other non-radiologists"
"Imaging"
"Extra-axial collections are collections of fluid within the skull, but outside the brain parenchyma. They may be comprised of CSF, blood or pus and may exist in the extradural, subdural or subarachnoid space."
"Extra-axial collections are collections of fluid within the skull, but outside the brain parenchyma. They may be comprised of CSF, blood or pus and may exist in the extradural, subdural or subarachnoid space."
"pathophysiologyfluid collection in the extradural, subdural or subarachnoid space"
"This is a summary article; we do not have a more in-depth reference article."