Hydrocephalus

Question 1

What is Hydrocephalus?

Answer 1

Excessive CSF accumulation caused by disturbance in the production, flow or absorption of CSF

Question 2

What are causes of Hydrocephalus?

Answer 2

Posterior fossa tumours
Cerebellar haemorrhages
Colloid cysts in 3rd ventricle
Ependymoma of 4th ventricle
SAH
Meningitis
Trauma
Aqueduct obstruction

Question 3

What does CT show in hydrocephalus?

Answer 3

enlarged ventricles

Question 4

How does hydrocephalus present?

Answer 4

if acute- signs of raised ICP

if chronic- gait disturbance, memory disturbance, incontinence and raised ICP

Question 5

How do you manage Hydrocephalus?

Answer 5

Ventriculloperitoneal shunt

Question 6

What is normal pressure hydrocephalus?

Answer 6

Enlarged ventricles with preserved CSF flow due to impaired reabsorption.
Also called chronic communicating hydrocephalus

Question 7

What causes normal pressure hydrocephalus?

Answer 7

Idiopathic

Question 8

What is the Halium Adams triad of normal pressure hydrocephalus?

Answer 8

Gait Disturbance
Cognitive Impairment
Urinary Incontinence

Question 9

How do you treat normal pressure hydrocephalus?

Answer 9

Shunt.