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F. Amore, E. Pacella, F. Pacella, S. Abdolrahimzadeh, M. Basile, V. Cappello, F. Allievi, C. Balacco Gabrieli; "Normal pressure" Pseudotumor Cerebri: a case report. . Invest. Ophthalmol. Vis. Sci. 2004;45(13):1609.
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Purpose:To present an atypical case of Pseudotumor Cerebri with ocular signs but no intracranial hypertension. Methods:A 43 year old female with grade IV obesity presenting with bilateral visual reduction underwent complete ophthalmological examination and neurological testing together with radiography, computed tomography (CT), magnetic resonance imaging (MRI) and measurement of intracranial pressure through lumbar puncture. Results:CT and MRI results were normal. Intracranial pressure was 170 mmHg. Ophthalmological examination revealed bilateral visual acuity reduction and papilledema. Visual field examination, B–scan echography and visual evoked potentials (VEP) confirmed the ophthalmoscopic features of the optic nerve. Medical treatment produced subjective improvement of symptoms. Lumboperitoneal shunt was performed successfully. Follow–up was 24 months. Conclusions: A diagnosis of "normal pressure" Pseudotumor Cerebri was made. The possible etiopathogenetic mechanisms are briefly discussed.
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