Neonatal parechovirus leucoencephalitis- radiological pattern mimicking hypoxic-ischemic encephalopathy

European Journal of Radiology
C AmarnathJ Philson

Abstract

Our objective is to study the MR imaging pattern in neonatal parechoviral leucoencephalitis, a rare cause of neonatal white matter abnormality and to differentiate it from hypoxic-ischemic encephalopathy which is the commonest cause of white matter change in neonates. We evaluated 25 neonates who presented with features of encephalopathy. Cranial ultrasound and MR imaging was done in all the cases. The pattern of white matter abnormality was analyzed in all cases. Neonatal leucoencephalitis caused by HPeV has a distinctive clinical presentation and has predilection for the white matter, causing diffusion restricting signal intensity changes involving the periventricular and subcortical white matter, in particular the frontal white matter, also the corpus callosum, internal capsule, external capsule and pyramidal tracts of the supratentorial brain and cerebral peduncle with relative sparing of occipital white matter, thalamus, basal ganglia and the infratentorial regions. Follow up imaging shows disappearance of the lesion without white matter loss. Whereas mild to moderate hypoxic-ischemic injury in a full-term neonate causes lesions in the watershed areas, and subcortical white matter predominantly involving the parietooccipit...Continue Reading

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Citations

Nov 17, 2017·Clinical Microbiology Reviews·Laudi OlijveTony Walls
Jan 25, 2019·Journal of Paediatrics and Child Health·Ronan McKennaJulia E Clark
Aug 14, 2019·Zhurnal nevrologii i psikhiatrii imeni S.S. Korsakova·N V SkripchenkoE A Murina
Jul 4, 2017·Korean Journal of Radiology : Official Journal of the Korean Radiological Society·Sung Eun ParkMi Jung Park

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