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Revista argentina de radiología
versión On-line ISSN 1852-9992
Resumen
DE LUCA, Silvina et al. Spontaneous intracranial hypotension syndrome: Imaging features and pathophysiologic correlation. Rev. argent. radiol. [online]. 2013, vol.77, n.2. ISSN 1852-9992. http://dx.doi.org/10.7811/rarv77n2a05.
Objective. To report and show the main imaging features of spontaneous intracranial hypotension syndrome (SIH) and their pathophysiologic correlation. Materials and Methods. Patients that presented othostatic headache suggestive of spontaneous intracraneal hypotention were retrospectively evaluated at our institution between September 2008 and June 2011. All patients were evaluated by multislice computed tomography (MSCT) (Siemens Sensation 16, Siemens, Erlangen. Germany), magnetic resonance imaging (MRI) (1.5T Magnetom Symphony, Siemens, Erlangen. Germany) with gadolinium injection (dimeglumine gadopentate; gadoversetamide, Mallinckrodt Inc.). Cerebrospinal fluid (CSF) was also analyzed. Results. We selected 5 cases from all patients evaluated that showed clinical and neuroradiological features of spontaneous intracranial hypotension syndrome after other secondary etiologies that might explain cerebrospinal fluid leak had been ruled out. The site of leakage was identified in some of them. Conclusion. Spontaneous intracranial hypotension syndrome is a rare condition, probably underdiagnosed, which must be considered in the differential diagnosis in patients with headache and dural enhancement after other etiologies, that may explain cerebrospinal fluid leak, have been ruled out.
Palabras clave : Spontaneous intracranial hypotension syndrome; Magnetic resonance imaging; Headache; Cerebrospinal fluid; Diffuse dural enhancement.