Arachnoid Cyst:

This is a benign condition which can occur in children, and is usually a congenital or developmental condition.

Symptoms can be similar to brain tumours, i.e. raised intracranial pressure (headache, vomiting, delayed development)

Treatment is either insertion of a shunt to divert the cyst fluid to the abdomen, or surgery to fenestrate and drain the cyst, through an internal opening.

CT scan of a large middle fossa arachnoid cyst. The child had severe recurrent headaches.

CT scan showing a cysto-peritoneal shunt in the cyst. Size of the cyst is much smaller.

Pre-operative MRI scan showing cyst in temporal lobe.

Mini-craniotomy wound, to perform cyst fenestration, instead of shunt insertion.

Post-operative MRI scan one year later, showing substantial reduction in size of the cyst.

Stroke Hydrocephalus Brain Tumour Arachnoid Cyst Spine Conditions (Adults) Spine Conditions (Children) Brain and Spinal Cord Tumors in Children

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