Nuerosurgical Conditions

Question 1

Hydrocephalus is the accumulation of CSF within the ventricles causing increased ICP

It is classified as obstructive and communicating hydrocephalus.

Answer 1

Obstructive - blockage of the ventricukar drainage system

Communicating - reduced absorption of CSF by the arachnid villi

Question 2

Normal pressure hydrocephalus (NPH) describes ventricular dilatation in the absence of raised CSF pressure

1. 1. What are the causes of NPH?
2. 2. What is the classic triad of symptoms?
3. 3. Treatment

Answer 2

1.1.
Idiopathic - 50%
SAH
Head injury
Meningitis
Malignancy

1.2.
Parkinsonian gait
Urinary incontinence
Dementia

1.3. CSF shunt