Suggestive:
Peripheral, broadly based along the calvarium.
Overlying bone changes.
Enhancement of adjacent meninges.
Displacement of the brain from the skull.

Definitive:
Cerebrospinal cleft between brain and lesion.
Vessels interposed between brain and lesion.
Cortex between the mass and the white matter.
Dura between epidural mass and the brain.

Contributed by – Dr. Varun Tyagi, Mumbai