Shunt overdrainage

Case contributed by Yahya Baba
Diagnosis almost certain

Presentation

Intense headaches following ventriculoperitoneal shunt for intracranial hypertension. History of arachnoid cyst shunting. CT to rule hydrocephalus.

Patient Data

Age: 30 years
Gender: Female
ct

No intracranial haemorrhage or loss of grey-white differentiation.

Right ventricular collapse adjacent to the ventriculoperitoneal shunt.

Mild descent of the cerebellar tonsils (1 mm).

Enlargement of the pituitary gland and decreased fluid within the optic nerve sheaths.

Shunted left temporal arachnoid cyst. There is a third left paramedian shunting catheter

There are no subdural collections.

Case Discussion

This patient presents features of intracranial hypotension, following a double ventriculoperitoneal shunt. She was referred to the neurosurgery department for shunt optimisation.

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