Subcortical and cerebellar volumetric deficits in paediatric sickle cell anaemia |
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| Authors: | Jamie M Kawadler Jonathan D Clayden Fenella J Kirkham Timothy C Cox Dawn E Saunders Chris A Clark |
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| Institution: | 1. Imaging & Biophysics Unit, Institute of Child Health, University College London, , London, UK;2. Neurosciences Unit, Institute of Child Health, University College London, , London, UK;3. Radiology Department, Great Ormond Street Hospital NHS Foundation Trust, , London, UK |
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| Abstract: | Sickle cell anaemia (SCA) is associated with silent cerebral infarction (SCI), affecting white and cortical grey matter, but there are few data on subcortical volumes. We analysed retrospective magnetic resonance imaging (MRI) data in 26 SCA patients and 20 controls, comparing mean subcortical volumes between three groups: controls, SCA with SCI (n = 13) and SCA without visible abnormality (n = 13). Specific volumetric differences were found in the hippocampus, amygdala, pallidum, caudate, putamen, thalamus, and cerebellum. This is the first study to demonstrate subcortical volume change in SCA, with the most severe volumetric deficits occurring in children with SCI seen on MRI. |
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| Keywords: | sickle cell anaemia magnetic resonance imaging sickle cell radiology stroke |
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