Items tagged “midline shift”

Sulcal effacement is a local secondary sign of mass effect in the cranium. Any lesion exerting mass effect on brain parenchyma can push adjacent gyri together, thereby displacing the CSF from the sulci. It is greatest at the site where the cause of the mass effect is located (e.g. tumor, hemorr...

Tonsillar herniation is a type of brain herniation characterized by the inferior descent of the cerebellar tonsils below the foramen magnum >3 mm 5. Clinically, the presence of tonsillar herniation is often called coning. The terminology of caudally displaced tonsils is discussed in the article...