PMID: 15224713Jul 1, 2004Paper

Infectious acute hemicerebellitis

Journal of Child Neurology
Angels García-CazorlaJaume Campistol

Abstract

We report the case of a 5-year-old girl with initial symptoms of encephalitis who presented 24 hours later with hemiataxia, unilateral dysmetria, and hemiparesis. Brain magnetic resonance image (MRI) revealed a high T2-weighted signal in the ipsilateral hemicerebellar cortex. Forty-five days later, a second MRI disclosed signs of hemiatrophy and cortical gliosis. The clinical outcome was favorable, with only a slight lack of motor coordination in the involved hand remaining. Three other cases of hemicerebellitis have been reported in the literature, two of them presenting with hemicerebellar symptoms and one mimicking a tumor. Follow-up imaging studies some months later have shown hemiatrophy of the cerebellar cortex, except in one case with a normal control MRI. The pathophysiology of this unilateral involvement is difficult to explain. We underline the need to consider this rare entity in asymmetric cerebellar clinical presentations and to perform MRI rather than computed tomography to reach the correct diagnosis.

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Citations

Jan 11, 2008·Pediatric Radiology·Kader K OguzMeral Topcu
Sep 4, 2010·Annals of Indian Academy of Neurology·C J Suresh ChandranMadhavan Unni
Oct 27, 2005·The British Journal of Radiology·J L F de MendoncaA C L Ferreira
Dec 31, 2011·Anales de pediatría : publicación oficial de la Asociación Española de Pediatría (A.E.P.)·R Berzosa-LópezJ M Ramos-Fernández
Jul 30, 2011·Clinical Neurology and Neurosurgery·Yael HacohenMing Lim
Jun 28, 2011·World Neurosurgery·Hector RoldanRosa Rodriguez
Sep 6, 2006·European Journal of Paediatric Neurology : EJPN : Official Journal of the European Paediatric Neurology Society·Engin MelekA Muhteşem Ağildere
May 11, 2013·European Journal of Paediatric Neurology : EJPN : Official Journal of the European Paediatric Neurology Society·Pedro M Rodríguez-CruzPedro Castro-De Castro
Jan 16, 2014·European Journal of Paediatric Neurology : EJPN : Official Journal of the European Paediatric Neurology Society·Fernando Carceller LechónLuis Madero López
Oct 28, 2016·Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery·Riad M Elsayed, Hala E Sayyah
Nov 22, 2020·Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery·Amirti VivekanandanAdrianna Ranger

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