Items tagged “brain herniation”
7 results found
Case
Kernohan phenomenon
Published
04 Oct 2010
80% complete
MRI
Article
Kernohan phenomenon
Kernohan notch phenomenon is an imaging finding resulting from extensive midline shift due to mass effect, resulting in the indentation of the contralateral cerebral crus by the tentorium cerebelli. This has also been referred to as Kernohan-Woltman notch phenomenon and is a false localising sig...
Article
Midline shift
Midline shift is one of the most important indicators of increased intracranial pressure due to mass effect.
Pathology
Any intra-axial or extra-axial lesion (tumour, haemorrhage, abscess, etc.) has the potential to exert mass effect on the brain parenchyma and cause lateral shift of the midlin...
Article
Sulcal effacement
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. tumour, haemo...
Article
Tonsillar herniation
Tonsillar herniation is a type of brain herniation characterised by the inferior descent of the cerebellar tonsils below the foramen magnum 5. Clinically, the presence of tonsillar herniation is often called coning.
The terminology of caudally displaced tonsils is discussed in the article on ce...
Case
Malignant posterior circulation territory ischaemic stroke
Published
14 Dec 2021
93% complete
CT
Case
Hyperacute epidural haematoma following ventriculoperitoneal shunt placement
Published
05 Apr 2024
98% complete
CT
Unable to process the form. Check for errors and try again.