Herniation

Question 1

Describe a sulfacine herniation?

Answer 1

unilateral/asymmetrical expansion of the cerebral hemisphere
results in compressio of the anterior cerebral artery and therefore - weakness/sensory loss of the opposite side of the body

Question 2

Describe a tentorial herniation?

Answer 2

medial aspect of lobe - get CN 3 damage and pupil dilation

Question 3

Describe a cerebellar herniation?

Answer 3

displacement of the cerebellum through the foramen magnum

life threatening as it damages the respiratory centre

Question 4

Describe a transcalvarial herniation?

Answer 4

swollen brain herniates through any hole when a fracture occurs

Question 5

Describe an uncal herniation?

Answer 5

pupillary dilation due to ipsilateral CN 3 involvement

compresses the pyramidal tracts in the CNS cerebri too