Idiopathic intracranial hypertension

Background

Impaired arachnoid villi absorption

Diagnosis

-Young, obese females-Headache (worse in AM/ with manuvers increasing ICP)-Papilledema (optic atrophy/vision loss)-Neuro exam frequently normal ==Work-Up==

1) CT scan (negative)2) LP (CSF pressure 25-40)

Treatment

1) Repeate LPs (decrease CSF pressure)2) Diamox3) Weight loss4) Shunt5) Optic nerve sheath fenestration ==Disposition==

Admit for:

1) Severe pain

2) Focal findings

3) Vision changes