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Diffusion Perfusion MRI in Idiopathic Pseudotumor Cerebri [Turk J Neurol]
Turk J Neurol. 2006; 12(1): 25-29

Diffusion Perfusion MRI in Idiopathic Pseudotumor Cerebri

Şebnem Bıçakçı1, Kenan Bıçakçı2, Kezban Aslan1, Hacer Bozdemir1, Cansel Karayalçın1, Yakup Sarıca1
1Department Of Neurology, Cukurova University, Faculty Of Medicine, Adana, Turkey
2Department Of Radiology, Cukurova University, Faculty Of Medicine, Adana, Turkey

OBJECTIVE: Pseudotumor cerebri (PC) or idiopathic benign
intracranial hypertension is characterized by abnormal elevation of
intracranial pressure with a normal composition of the cerebrospinal
fluid (CSF) and absence of hydrocephaly or any intracranial mass lesion.
Papilledema is the major clinical finding whereas neuroradiological
imaging findings are almost always normal
METHODS: In this preliminary study, we aimed to find out whether
diffusion and perfusion magnetic resonance (MR) imaging in PC patients
might be beneficial in the diagnosis.
RESULTS: We prospectively evaluated diffusion and perfusion MR
findings of 10 PC patients and 10 normal control group. On physical
examination, all PC patients had characteristic papilledema, varying
degrees of headache, blurred vision and tinnitus. Cerebrospinal fluid
(CSF) pressure was higher than 250mm H2O in all patients. MR imaging
was performed with a 1.5 tesla equipment and postprocess analyses
were done on an independent workstation.
There were no diffusion abnormalities in CP patients or differences
when compared to normal group. Perfusion abnormal ities were
detected in seven patients.
CONCLUSION: Pseudotumor cerebri is a clinical syndrome which requires prompt diagnosis and thorough evaluation. Treatment is crucial for
preventing visual loss and improving associated symptoms. Since
majority of the patients lack specific neuroradiological imaging findings,
the syndrome is mostly diagnosed based on the clinical findings.
Probably due to the latter factor, there is almost no major paper in the
literature concerning the neuroradiologic aspects of the syndrome.
Although our patient series is very limited for statistical evaluation,
broader series might put forward additional benefit of perfusion MR
imaging in diagnosis of pseudotumor cerebri.

Keywords: pseudotumor cerebri, diffusion MRI, perfusion MRI


Şebnem Bıçakçı, Kenan Bıçakçı, Kezban Aslan, Hacer Bozdemir, Cansel Karayalçın, Yakup Sarıca. Diffusion Perfusion MRI in Idiopathic Pseudotumor Cerebri. Turk J Neurol. 2006; 12(1): 25-29

Corresponding Author: Şebnem Bıçakçı, Türkiye


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