Elevated intracranial pressure with normal CSF composition
Normal neuroimaging studies
Normal neurologic exam
Occurs primarily in young obese females
Most common symptom is headache.
Other symptoms include normal or uncommonly decrease visual acuity, transient obscurations of vision, photopsias, diplopia, nausea, vomiting, pulsatile tinnitus and visual field loss secondary to optic disc swelling
Bilateral optic disc edema
May have abducens nerve palsy
Complete ophthalmological and neurological examinations including visual acuity, color vision, pupillary reactivity, fundus examination and visual field study of patients with papilledema
Neuroimaging study and lumbar puncture
Fundus photographs are also important to monitor disc swelling
Depends on visual status and whether or not the associating cause can be identified or treated
Treatment of underlying causes
Weight-loss program for obese patients
Cessation of substances causing PTC, such as vitamin A, tetracycline, etc.