Abstract

DUARTE MORENO, Marvid Sol; BOBADILLA QUESADA, Edna Julieth; VASQUEZ HOYOS, Pablo  and  ROA GIRALDO, Juan David. Mild encephalitis/encephalopathy with a reversible splenial lesion (MERS). Acta Neurol Colomb. [online]. 2016, vol.32, n.4, pp.325-329. ISSN 0120-8748.  https://doi.org/10.22379/24224022116.

Summary The Reversible Splenial Lesions Syndrome (RESLES) has been described as a transient lesion in a group of diseases with special clinical and radiological features and with a good prognosis. An encephalopathy with a reversible splenium of the corpus callosum lesion (MERS) is part of these diseases. We present a case report of an 11 years old female with a febrile prodromal phase that evolved into an altered state of consciousness. Simple brain MRI findings comprise a lesion in the splenium of the corpus callosum, hypointense on T1, hyperintense on T2 and FLAIR, with restricted diffusion on ADC. The clinical symptoms and radiological findings resolved after 4 weeks. The clinical course and images of this case are typical presentation of MERS. This entity has a low incidence and not very renowned in our country, for this reason, the diagnosis is difficult in most cases.

Keywords : encephalopathy; encephalitis; corpus callosum; magnetic resonance imaging; splenium.

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